🧬 KodaKoda's Weekly Immunology News

2026-08-21 · 97 papers · ← アーカイブ一覧

97
総論文数
19
腫瘍免疫
22
感染症
9
自然免疫
4
獲得免疫
10
自己免疫
2
アレルギー
2
ワクチン
7
腸内環境・マイクロバイオーム
3
神経免疫
2
代謝免疫
2
その他

カテゴリ

🔴 腫瘍免疫 Tumor Immunology 19 papers
Lae-Guen Jang(Department of Systems Biology, Division of Life Sciences, In)|2026 Aug 20|PMID: 42624114
口腔と腸内マイクロバイオームの空間的関係を解析するため、健常者、代謝疾患患者、消化器がん患者507名の口腔・糞便マイクロバイオームをペアで解析し、口腔から腸への微生物伝播を定量化するMFインデックスを開発した。がん患者では口腔から腸への伝播が亢進しており、宿主の代謝・炎症指標との強い関連が認められた。伝播した菌群を用いた機械学習モデルにより、消化器がんの非侵襲的診断が可能であることが示された。
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Yunhao Gao(Department of Urology, National Cancer Center/National Clini)|2026 Aug 20|PMID: 42624074
腫瘍細胞のキュープロトーシス(銅依存性細胞死)が樹状細胞の活性化とCD8+ T細胞のプライミングを促進し、一方でT細胞由来のIFN-γがFDX1依存的なキュープロトーシスに対する腫瘍細胞の感受性を高めるという相互回路が明らかにされた。この自己強化的な相互作用は、キュープロトーシス誘導とPD-L1遮断を組み合わせることで免疫療法抵抗性を克服できる根拠を提供する。本研究は銅代謝と抗腫瘍免疫の新たなリンクを示している。
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Oliver Takacsi-Nagy(Department of Pathology, Stanford University, Stanford, CA, )|2026 Aug 19|PMID: 42617595
タンパク質ファミリー内のドメインを再編成して新規遺伝子を組み立てる進化に基づくスケーラブルな手法(DESynR)を開発した。初代ヒトT細胞において、DESynR AP-1転写因子は天然のAP-1転写因子を体外・生体内の抗腫瘍アッセイで大幅に上回る性能を示した。DESynR AP-1転写因子は広範な転写・エピゲノムの再プログラミングを誘導し、CAR T細胞の抗腫瘍機能を最適化する非天然T細胞状態を確立した。
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Christos Georgiadis(UCL Great Ormond Street Institute of Child Health, London, W)|2026 Aug 19|PMID: 42616838
急性骨髄性白血病(AML)に対するCAR-T細胞療法は、抗原の不均一性と正常組織との共発現、および自己T細胞採取の困難さが課題であった。本研究では、多重シトシン脱アミノ化によりTRAC、CD52、CD7遺伝子座を同時に破壊した、ユニバーサルドナー由来の塩基編集抗CD33 CAR-T細胞(BE-CAR33)を開発した。フェーズ1実現可能性試験において、BE-CAR33はGVHDを防ぎながらAML患者への投与が可能であることが示された。
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Jianwen Chen(Department of Microbial Infection and Immunity, Infectious D)|2026 Aug 25|PMID: 42616778
本研究では、ミトコンドリアカルシウムユニポーター(MCU)がフェロトーシスを抑制し、胚発生および腫瘍発達においてその制御に関与することを示した。MCU依存的なアセチルCoA産生がGPX4の正常機能を支持し、フェロトーシスを抑制することで腫瘍微小環境における抗腫瘍免疫を低下させることが明らかになった。これらの知見はMCUシグナルがフェロトーシスを介した腫瘍免疫制御において重要な役割を果たすことを示唆する。
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Lin Shao(State Key Laboratory of Genetics and Development of Complex )|2026 Aug 25|PMID: 42616777
本研究では、Hippoシグナル経路の構成因子Vgll4が腫瘍微小環境における好中球の機能的アイデンティティを維持する重要な制御因子であることを同定した。Vgll4の好中球特異的欠失はSTAT3/STAT5を介した免疫抑制性表現型へのスイッチを誘導し、腫瘍増殖を促進することが示された。これらの結果は、Vgll4が好中球内因性の抗腫瘍機能を守るゲートキーパーとして機能することを明らかにしている。
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Tianyi Tian(Tongji School of Pharmacy, Huazhong University of Science an)|2026 Aug 18|PMID: 42613461
本研究では、CAR-Mと好中球を融合させた合胞体型CAR-M(S-CAR-M)を開発し、従来のCAR-Mと比較して腫瘍浸潤能と抗腫瘍効果を大幅に向上させた。S-CAR-Mはケモカイン駆動性の遊走能と好中球由来のNETおよびROSにより腫瘍細胞のフォスファチジルセリン露出を促進し、効率的な貪食を実現した。この戦略は抗原低発現腫瘍に対する免疫逃避を克服するための新たなアプローチを提供する。
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Manuel Mastel(.Heidelberg Institute for Stem Cell Technology and Experimen)|2026 Aug 18|PMID: 42612882
本研究では、BRAF変異大腸癌(CRC)の悪性転換におけるWNTシグナル活性化の役割を、複数の遺伝子改変マウスモデルおよびオルガノイドモデルを用いて解析した。WNT経路の活性化は腫瘍の免疫回避を促進し、マイクロサテライト安定(MSS)型BRAF変異CRCの進行に寄与することが示された。これらの知見は、鋸歯状経路由来CRCにおける腫瘍免疫相互作用の分子基盤を明らかにし、治療抵抗性の理解に貢献する。
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Pakhi Birla(Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins Uni)|2026 Aug 25|PMID: 42611994
非小細胞肺癌腫瘍内のMAIT細胞と細菌叢の関係を単一細胞RNA・TCRシーケンスで解析し、リボフラビン要求性のEnterococcus属菌種が腫瘍内でMR1の細胞表面発現を増強することを明らかにした。この細菌によるMR1上方制御はMAIT細胞のTCR活性化を促進し、抗腫瘍免疫応答に寄与する可能性が示唆された。PD-1阻害療法を受ける患者において、腫瘍内細菌がMAIT細胞を介した免疫監視を調節することが示された。
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Vaishali Aggarwal(Department of Immunology, University of Pittsburgh School of)|2026 Sep 07|PMID: 42611047
Lag3系統追跡マウスモデルを作製し、腫瘍反応性LAG3+CD8+ T細胞の運命を解析した結果、この細胞集団が終末疲弊細胞と長命メモリーT細胞の2つのサブセットに分岐することを明らかにした。LAG3表面発現の有無によって区別される2つのtdTomato陽性CD8 T細胞サブセットは、異なる解剖学的分布、機能、転写プロファイルを示しながらも共通のクローン起源を持つことが示された。この知見は腫瘍免疫における疲弊T細胞の可塑性と治療標的としての意義を明確にする。
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Cheyanne K Shinn(Skaggs School of Pharmacy and Pharmaceutical Sciences, Unive)|2026 Aug 25|PMID: 42607203
頭頸部扁平上皮癌(HNSCC)のマウスモデルにおいて、CXCL10の腫瘍内投与がCXCR3/CXCL10軸を介してCD8+ T細胞、CD4+ T細胞、NK細胞の腫瘍浸潤と抗腫瘍機能を増強することが示された。CXCL10投与はCD8+ T細胞の活性化と腫瘍抗原特異性を高め、T細胞疲弊を軽減するとともに血管新生を抑制し、腫瘍排除と再発抑制をもたらした。この戦略は免疫抑制性腫瘍微小環境を克服し、チェックポイント阻害療法の効果を高める可能性がある。
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Taichi Horino(Department of Molecular Genetics, Graduate School of Medical)|2026 Aug 17|PMID: 42606940
老齢マウスにおいて、30%のカロリー制限(CR)が大腸癌およびメラノーマの腫瘍増殖を有意に抑制し、この効果はCD8+ T細胞の腫瘍浸潤増強に依存することが示された。CD8+ T細胞を除去するとCRの腫瘍抑制効果が減弱し、免疫依存的なメカニズムの重要性が確認された。CRが加齢に依存した形で抗腫瘍免疫応答を強化するメカニズムの解明に貢献する研究である。
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Montserrat Puigdelloses Vallcorba(Department of Oncological Sciences, Tisch Cancer Institute, )|2026 Aug 18|PMID: 42594274
びまん性正中線グリオーマ(DMG)はH3 K27M変異によって定義される悪性脳腫瘍であり、K27M変異のサブタイプによって腫瘍微小環境内の骨髄系細胞組成が異なる。H3.1K27M DMGでは単球の動員を遺伝的に阻害すると、単球由来マクロファージが減少しミクログリアや好中球が増加する補償的リモデリングが起こるが、全生存期間は変化しない。CRISPR/Cas9ベースのゲノム編集を用いて、ヒストンバリアントが骨髄系細胞サブセットの依存性と免疫リプログラミングを規定することが明らかにされた。
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Marta Massari(Department of Biology and Biotechnology "Lazzaro Spallanzani)|2026 Aug 18|PMID: 42585003
ヒトのL-アミノ酸オキシダーゼであるIL4I1は、がん生物学と免疫調節において重要な役割を持つ酵素であるが、その不安定性が詳細な生化学的解析を妨げていた。本研究では四肢動物LAAOの包括的な生化学的・構造的解析を行い、IL4I1が芳香族アミノ酸への選好性を進化させた経緯を明らかにした。ヘビ毒LAAOとは異なり、ヒトIL4I1は細胞毒性よりも免疫抑制的な代謝機能を担うことが構造的に示された。
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Alexandre J Poirier(Rosalind and Morris Goodman Cancer Institute, McGill Univers)|2026 Aug 18|PMID: 42579487
免疫チェックポイント阻害療法に対するがん細胞の免疫回避は主要な障壁であり、PTPN2はがん免疫療法の有望な標的として注目されている。本研究では、PTPN1とPTPN2が協調してインターフェロン応答の閾値を設定し、がんの免疫回避を制御することを明らかにした。現在臨床開発中のPTPN2阻害剤はPTPN1にも活性を示すため、両ホスファターゼの相対的な寄与を理解することが、より効果的な治療戦略の開発に不可欠であることが示された。
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Hailei Du(Department of Thoracic Surgery, Ruijin Hospital, Shanghai Ji)|2026 Aug 18|PMID: 42574617
免疫療法への耐性は非小細胞肺がん(NSCLC)における持続的治療効果の主要な障壁である。CODEX、メタボロミクス、CyTOF、ATAC-seq、シングルセル空間トランスクリプトミクスを統合した解析により、ALDH9A1がカルニチンシグナル軸を介して抗PD-1療法への耐性を促進することが明らかになった。ALDH9A1の欠失は免疫正常マウスモデルで腫瘍増殖を著しく抑制し、三次リンパ組織の成熟促進とMDSCの蓄積減少を伴うことが示された。
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Guang Lei(Department of Experimental Radiation Oncology, The Universit)|2026 Aug 20|PMID: 42330950
本研究では、CD8+ T細胞による抗腫瘍免疫が腫瘍細胞のキュプロプトーシス感受性を高め、免疫能のあるホストにおいてキュプロプトーシス誘導剤の腫瘍抑制効果が増強されることを示した。キュプロプトーシスを起こした腫瘍細胞は免疫原性細胞死として機能し、DAMPsを放出して樹状細胞を活性化し抗腫瘍免疫を増強する。この相互作用を利用することで、免疫療法耐性を克服する新たな戦略が示唆された。
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Shi Yue(Eli and Edythe Broad Center for Regenerative Medicine and St)|2026 Aug 20|PMID: 42320470
本研究では、マウスおよびヒトの顆粒球単球前駆細胞(GMP)を長期間体外増殖させながら前駆細胞特性と骨髄分化能を維持する培養条件を確立し、GMPをCAR細胞療法の新たなプラットフォームとして提案した。ミエロペルオキシダーゼがGMPの増殖調節因子であることを同定し、移植後のGMPが造血ニッチに定着してドナー由来の腫瘍浸潤マクロファージを供給することを示した。この手法は操作可能な細胞源として既存のマクロファージ療法の限界を克服するものである。
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Nelson F Freeburg(Cancer Biology Department, Perelman School of Medicine at th)|2026 Aug 20|PMID: 42296961
本研究では、再発膠芽腫(GBM)患者に対する二価CAR T細胞脳室内投与の第1相試験において、奏効者と非奏効者の縦断的脳脊髄液および腫瘍サンプルの詳細な免疫プロファイリングを実施した。CAR T細胞療法後の治療反応には内在性免疫コンパートメントの活性化が重要な役割を果たすことが示された。奏効者では内在性免疫細胞の動的変化が確認され、再発時の免疫回避機構の解明に貢献する知見が得られた。
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🟢 感染症 Infection 22 papers
Wouter Courtens(Research Institute for Nature and Forest, Brussels, Belgium.)|2026 Aug 19|PMID: 42618581
高病原性鳥インフルエンザ(HPAI)H5N1クレード2.3.4.4bウイルスによる2022年の大量死亡イベントを28年間の標識データと個体レベルデータを用いて分析した。サンドウィッチアジサシにおいて、HPAI関連死亡率は若い繁殖個体の約5〜10%から最高齢個体では40%以上に増加し、年齢に偏った死亡パターンが示された。性別による偏りは観察されず、長寿命・低繁殖率の海鳥種に対するHPAIの深刻な影響が明らかになった。
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Tanja Hann(Department of Molecular Biophysics and Biochemistry, Yale Un)|2026 Aug 19|PMID: 42617594
細胞内化学プロービングを用いてマウスノロウイルスゲノム全体の構造的RNAエレメントを系統的にマッピングし、ウイルス機能を制御する保存されたモチーフを同定した。特定の構造エレメントを標的とした破壊により、ウイルスの複製や免疫認識が生体内で変化することが示された。これらの知見は、RNAウイルスのゲノム構造が感染ライフサイクルを制御する仕組みを明らかにし、合理的な弱毒化戦略の基盤を提供する。
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Adrià San-José(Climate and Health RG, ISGlobal, Barcelona, Spain.)|2026 Aug 21|PMID: 42616880
北アフリカにおける皮膚リーシュマニア症(CL)の動態が、北大西洋振動(NAO)と大西洋多十年変動(AMV)という大気海洋結合現象と関連していることを明らかにした。NAOは季節降水量を通じてCLに影響を与えるだけでなく、NAO-AMVシステムの低周波変動が年々変動を調節することも示された。この知見により、感染症の長期予測に利用可能な数ヶ月先のCL早期警報システムの構築が可能になる。
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Everlyn Kamau(Francis I. Proctor Foundation, University of California, San)|2026 Aug 21|PMID: 42616861
高密度ペプチドアレイを用いて、腸管病原体に対する液性免疫応答の規模と幅を評価した。ウイルス、細菌、寄生虫の免疫原性タンパク質に対するエピトープ景観を解析し、生後3、14、28ヶ月における免疫プロファイルを推定した。ペプチドライブラリーは細菌や寄生虫よりもウイルスに対する免疫シグネチャーの検出において優れた性能を示した。
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H Minh Thai(Department of Chemistry, The Herbert Wertheim University of )|2026 Aug 25|PMID: 42616789
ゲノム配列の急速な増加にもかかわらず、遺伝子の機能アノテーション、特に新規酵素活性の発見は依然として困難な課題である。本研究では、結核菌においてリジン-オルニチン-アルギニン(KOR)デカルボキシラーゼファミリーに属すると注釈されていたrv2531c遺伝子が、実際にはグルタミン酸デカルボキシラーゼとして機能することを発見した。このGABAシャントを維持する酵素は結核菌の生存に重要であり、新たな抗結核薬標的となりうることが示唆された。
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Pan Wu(Department of Clinical Microbiology and Immunology, College )|2026 Aug 19|PMID: 42616642
本研究では、Burkholderia pseudomalleiの6型分泌系エフェクターHcp1が宿主のアルギナーゼ1(ARG1)を標的とし、多核巨細胞(MNGC)形成を促進することを示した。Hcp1はARG1の酵素活性を増強し、アルギニン代謝をポリアミン合成へと転換することでMNGC形成を誘導し、菌の播種を促進する。これらの知見はメリオイドーシスの病態メカニズムを解明し、新たな治療標的の可能性を示唆する。
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Ronan Corgel(Department of Epidemiology, Johns Hopkins Bloomberg School o)|2026 Aug 25|PMID: 42611995
スリランカの多スケール人口移動データをSEIRメタ人口モデルに統合し、空間的集約スケールが感染症モデルの推定に与える影響を検討した。移動データの空間集約度が異なると、疾患導入イベントや局所伝播の推定に系統的なバイアスが生じることが示された。感染症モデルでは、移動データの空間スケールを伝播スケールに合わせることの重要性が強調された。
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Cyrille L Delley(Department of Bioengineering and Therapeutic Sciences, Unive)|2026 Aug 25|PMID: 42611989
抗レトロウイルス療法(ART)中の6名のHIV感染者から約52万7千個のCD4 T細胞を解析し、DAb-seqを用いて単一細胞DNAと表面タンパク質の同時プロファイリングを行った。HIV感染細胞はすべてのCD4 T細胞サブセットに分布しており、プロウイルスランドスケープと免疫表現型の詳細な特性が明らかにされた。この研究はHIVリザーバー細胞の固有の特性を理解し、標的治療法開発に向けた重要な知見を提供する。
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César Trifone(Centre de Recherche du CHUM, Montréal, QC H2X 0A9, Canada; D)|2026 Aug 18|PMID: 42611705
慢性SIV感染アカゲザルの血液、脾臓、リンパ節においてSIV-Flowアッセイを開発し、生産的に感染したCD4 T細胞の表現型を定量的に解析した。感染細胞は平均してCD4 T細胞100万個あたり約1,000個で、解剖学的部位による変動は限られており、大部分がメモリー表現型を示した。この知見はSIVリザーバーの組織分布とサブセット寄与の理解を深めるものである。
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Karamoko Niaré(Department of Pathology and Laboratory Medicine, Brown Unive)|2026 Aug 17|PMID: 42608602
ウガンダのPlasmodium falciparum全ゲノム配列157例を解析し、アルテミシニン系薬剤耐性および lumefantrine感受性低下に関連する新規遺伝子座PX1の多型の出現と拡散を明らかにした。Kelch13変異周辺の拡張ハプロタイプに加え、PX1多型も選択のシグネチャーを示しており、アルテミシニン併用療法の有効性低下への寄与が示唆された。この結果はアフリカにおけるマラリア薬剤耐性の監視と対策の重要性を強調している。
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Pedro Puig(Departament de Matemàtiques, Universitat Autònoma de Barcelo)|2026 Aug 25|PMID: 42607223
1820年にマジョルカ島東部で発生したペストアウトブレイクを未公開の一次資料(日次死亡者数)を用いて再解析し、ベイズ疫学モデルにより基本再生産数、感染期間、致命率を推定した。推定パラメータは古典的な腺ペスト(ブボニックペスト)の特性と一致せず、異なる伝播様式の可能性が示唆された。この研究は第二次ペストパンデミークの末期における伝播動態の再評価に寄与するものである。
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Tainan C Guedes-Silva(Laboratório de Bioquímica de Artrópodes Hematófagos, Institu)|2026 Aug 25|PMID: 42607220
シャーガス病媒介昆虫Rhodnius prolixusにおける小熱ショックタンパク質(sHSP)ファミリーの転写解析を行い、吸血後に高発現する5つのsHSPメンバーがTrypanosoma cruzi感染時に発現低下することを明らかにした。sHSPのノックダウン実験により、これらのタンパク質が腸管ホメオスタシスとT. cruzi感染に対する防御に重要な役割を果たすことが示された。この研究はシャーガス病ベクターにおける宿主-寄生虫相互作用の分子基盤の理解を深める。
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Richard S Ostfeld(Cary Institute of Ecosystem Studies, Millbrook, NY 12545.)|2026 Aug 25|PMID: 42607219
ニューヨーク州の固有地域で30年以上にわたる長期モニタリングデータを用いて、ライム病システムの概念モデルを検証した。従来の通説に反して、若虫期マダニの密度だけでなく、脊椎動物宿主の複雑な相互作用が感染リスクの予測において重要であることが示された。この長期データ解析はライム病および他のダニ媒介性人獣共通感染症のリスク低減のための予測的理解に貢献する。
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Pierce Longmire(Department of Immunobiology, BIO5 Institute, University of A)|2026 Aug 25|PMID: 42607204
ヒトサイトメガロウイルスに対する抗ウイルス薬ガンシクロビルへの耐性において、宿主DNA修復因子が関与する新たなメカニズムが明らかにされた。ウイルスDNAポリメラーゼのエキソヌクレアーゼ活性を低下させる変異が、ガンシクロビルの取り込みをチェーンターミネーションなしに可能にすることで耐性を生じさせる。宿主の機能がウイルスの抗ウイルス薬耐性にどのように影響するかという新たな視点を提供する研究である。
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Félix Ramos-León(Laboratory of Molecular Biology, National Cancer Institute, )|2026 Aug 17|PMID: 42606939
黄色ブドウ球菌は感染時に細胞分裂を連続する直交面に沿って行うことで知られるが、この分裂形式を制御するPcdAの欠失が、ブドウ球菌膿瘍コミュニティ(SAC)の形成を生体内および三次元インビトロモデルで障害することが示された。PcdAの喪失は細胞表面における毒性因子の不均一な分布をもたらし、宿主免疫回避に必要な構造形成が損なわれた。直交細胞分裂が黄色ブドウ球菌の感染戦略において重要な役割を果たすことが明らかになった。
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Chang-Kyu Yoon(Department of Microbiology and Immunology, Cornell Universit)|2026 Aug 17|PMID: 42606933
腸チフスの原因菌であるSalmonella Typhiが、回腸に優先的に感染する機序として、回腸粘液に豊富なMUC2由来のN-アセチルガラクトサミン(GalNAc)を外膜タンパク質OmpWで感知し、侵入を促進することが示された。一方、近縁のS. Typhimuriumでは逆にMUC2により侵入が抑制される。OmpWのSTy特異的な細胞外残基がGalNAcと結合し、ペリプラズム経路を介してシグナルを伝達することで回腸向性が決定される。
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Erin F McCaffrey(Department of Pathology, Stanford University School of Medic)|2026 Aug 18|PMID: 42579482
結核(TB)の病理学的特徴であるグラニュローマは、結核菌(Mtb)の播種を制限すると同時にその排除も妨げる二面性を持つ。IDO1阻害剤である1-メチル-D-トリプトファン(D-1MT)の投与によりIDO1活性が低下し、TB感染カニクイザルにおける免疫応答が改善されることが示されてきた。本研究では、D-1MT処理がTBグラニュローマを再構築し、CD8+ T細胞とマクロファージの相互作用を増強することで抗菌免疫を強化することを明らかにした。
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Wanjun Qi(Division of Infectious Diseases, Boston Children's Hospital/)|2026 Aug 18|PMID: 42574622
カンジダ・アルビカンスは最も一般的な侵襲性ヒト真菌病原体であり、新たな抗真菌標的の開発が求められている。本研究では、チオレドキシン還元酵素Trr1がヒト体温では必須であり、真菌とヒトのTrr1は構造的に異なるため選択的阻害剤の開発が期待できることを示した。Trr1の枯渇は酸化的損傷修復を障害するだけでなく、ストレスシグナル伝達と代謝適応の連鎖的な破綻を引き起こし、アムホテリシンへの過感受性をもたらすことが明らかにされた。
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Lin Li(State Key Laboratory of Pathogen and Biosecurity, Academy of)|2026 Aug 20|PMID: 42476130
本研究では、ガスダーミンD(GSDMD)にウイルスプロテアーゼ特異的切断モチーフを導入することで、ウイルス感染細胞を選択的に溶解死させるmRNA治療プラットフォーム「VID(viral protease-initiated lytic cell death)」を開発した。脂質ナノ粒子に封入されたVIDA mRNAをA型肝炎ウイルスモデルで検証したところ、感染細胞の特異的な除去が確認された。この手法はモジュール型設計により様々なウイルスへの応用が期待される普遍的な抗ウイルス戦略である。
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Caleb R Glassman(Department of Genetics, Harvard Medical School, Boston, MA, )|2026 Aug 20|PMID: 42424437
本研究では、約10,000のウイルスオープンリーディングフレームからなるライブラリーを用いて、ウイルスがコードするユビキチンリガーゼを網羅的に探索した。発見されたウイルスエフェクターは、宿主E3を模倣する正規リガーゼ、宿主E3を乗っ取るハイジャッカー、cullin-RINGリガーゼ機構を改変する非正規リガーゼに分類された。これらの多様な戦略はいずれも免疫関連基質の分解に収束しており、ウイルスの免疫回避機構の多様性が明らかとなった。
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Eric Fujimura(Department of Genetics, Harvard Medical School, Boston, MA 0)|2026 Aug 20|PMID: 42392077
本研究では、513のウイルス種由来の約12,000のウイルスオープンリーディングフレーム(vORF)からなるバーコード付きライブラリーを構築し、ウイルスゲノムの系統的解析を可能にした。このライブラリーを活用して、細胞増殖、MHCクラスI抗原提示、インターフェロンシグナルを制御する数百のウイルス因子が同定された。スクリーニング結果の統合により、独自の表現型プロファイルと機能的vORFモジュールが明らかとなった。
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Tomas Pachano(Research Institute of Molecular Pathology (IMP), Vienna Bioc)|2026 Aug 20|PMID: 42379168
本研究では、ウイルス・細菌・寄生虫由来の3,835エフェクターORFを含む「eORFeome」プラットフォームを開発し、宿主細胞の主要シグナル経路に対するエフェクター機能を網羅的に解析した。NF-κB、アポトーシス、p53、cGAS-STING、MHCクラスIの各経路に対するハイスループットスクリーニングにより、未知エフェクターの新規機能や既知エフェクターの予期しない活性が多数発見された。本研究はパスゲン由来エフェクタータンパク質の機能理解を大規模に前進させるものである。
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🟠 自然免疫 Innate Immunity 9 papers
Lorenza Iolanda Tsansizi(Antimicrobial Defence Laboratory, The Francis Crick Institut)|2026 Aug 20|PMID: 42623469
好中球細胞外トラップ(NET)の分岐したクロマチン構造がDNA組換え修復タンパク質RAD51によって形成されることを発見した。RAD51の阻害やノックダウン、あるいはリゾルベース処理によりNETの分岐と安定性が低下し、逆にRAD51の上方制御によりNETの安定性が増加した。マウスのアスペルギルス肺感染モデルでは、RAD51阻害がNETを分解して肺サイトカインを減少させる一方、病原体の蓄積増加をもたらし、NETが炎症の区画化に重要な役割を担うことが示された。
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Joan Blanco-Fernandez(Department of Immunobiology, Faculty of Biology and Medicine)|2026 Aug 21|PMID: 42616903
転写解析と全細胞および精製ミトコンドリアのプロテオミクスを統合して、LPS/IFN-γおよびIL-4/IL-13刺激マクロファージのミトコンドリアプロファイリングを行った。いずれの刺激においてもミトコンドリアの転写産物とタンパク質レベルに顕著な乖離が観察された。統合ストレス応答がIL-4/IL-13によるマクロファージの再プログラミングを阻害することが示され、ミトコンドリアが免疫代謝制御において重要な役割を担うことが明らかになった。
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Xin Wang(Biomedical Polymers Laboratory, and Jiangsu Key Laboratory o)|2026 Aug 21|PMID: 42616873
CD24はSiglecとの相互作用を通じてDAMPs関連炎症を選択的に抑制するが、肺への効果的な送達が課題であった。本研究では、活性酸素種(ROS)応答性かつ粘液透過性ナノゲル(ROSμNG)を開発し、吸入によるCD24の肺送達を実現した。このシステムは重症肺炎モデルにおいて過剰炎症を選択的に抑制し、治療効果を示した。
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Markus Huber-Lang(Institute of Clinical and Experimental Trauma Immunology, Ul)|2026 Aug 18|PMID: 42613462
本レビューでは、外傷に対するヒトの多次元的免疫応答を包括的に解析し、自然免疫・適応免疫に加えて神経内分泌・代謝軸が同時に活性化されることを示した。外傷後の免疫軌跡は患者固有・損傷固有・治療固有の要因によって形成され、組織修復から慢性機能不全または死亡に至るまで様々な転帰をたどる。マルチオミクス解析により、外傷コホートにおけるエンドタイプの同定が可能となり、個別化治療への応用が期待される。
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Nicolás Romero(Department of Microbiology, Blavatnik Institute, Harvard Med)|2026 Aug 25|PMID: 42611990
単純ヘルペスウイルス1(HSV-1)感染の初期段階において、核DNAが細胞質へブレブとして放出されることを発見し、これがcGAS経路の活性化メカニズムであることを示した。細胞質に放出された核DNAにcGASが共局在し、インターフェロン調節因子3(IRF3)が活性化されることが確認された。この核DNAの細胞質への排出という新たなメカニズムが、核内複製DNAウイルスや一部のRNAウイルスによるcGAS活性化の謎を解明する可能性がある。
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Veronica E Ramirez(Biotechnology of Horticultural Crops, School of Life Science)|2026 Aug 25|PMID: 42607200
アラビドプシスにおいて、ステロイドホルモンであるブラシノステロイド(BR)がbHLH転写因子CESTA(CES)およびBEE1-3を介して免疫関連遺伝子のDNAメチル化などのエピジェネティック変化を誘導し、植物免疫を抑制することが示された。BRは植物の成長と免疫応答のトレードオフを制御する重要な調節因子として機能する。この研究は植物の成長と免疫のバランスを制御するエピジェネティックな仕組みを解明するものである。
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Yawen Chen(State Key Laboratory of Immune Response and Immunotherapy, T)|2026 Aug 18|PMID: 42574634
従来型NK細胞はMHC-Iリガンドとの抑制性受容体の結合を通じて教育を受け、強力な細胞傷害性とIFN-γ産生能を獲得するが、ILC1が同様の教育過程を経るかどうかは不明であった。本研究では、抑制性受容体CD200RがILC1の最適な細胞傷害能の獲得に必要であるが、IFN-γ産生には不要であることを明らかにした。従来型NK細胞とは異なり、MHC-I分子を欠くマウスでもILC1の細胞傷害性は維持されており、ILC1の教育機構はcNKと異なる独自のメカニズムを持つことが示された。
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Ilya Osterman(Department of Molecular Genetics, Weizmann Institute of Scie)|2026 Aug 20|PMID: 42424438
本研究では、ファージによるバクテリアゲノム分解を感知する新規防御システム「Metis」を発見した。Metisはファージ感染時に生じるメチル化モノヌクレオチドN6-メチルデオキシアデノシン一リン酸(m6dAMP)を検出し、NAD+分解酵素を活性化してNAD+を枯渇させることでファージ感染を中断する。このシステムはバクテリアが自身のゲノム崩壊を感知して防衛応答を発動する新たなメカニズムを示すものである。
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Vojo Deretic(Autophagy Inflammation and Metabolism Center of Biomedical R)|2026 Aug 17|PMID: 42607678
カノニカルオートファジーでは、ATG8タンパク質による膜atg8ylationを介して、侵入微生物・機能不全オルガネラ・炎症分子などが隔離・除去される。近年、オートファゴソーム以外の様々な細胞内オルガネラへの膜atg8ylationを伴う非カノニカルプロセスが免疫応答に関与することが明らかになった。これらのカノニカル・非カノニカルオートファジック過程は、自然免疫・適応免疫および無菌性または病原体誘導性炎症と密接に統合されている。
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🔵 獲得免疫 Adaptive Immunity 4 papers
Kosuke Hashimoto(Institute for Protein Research, The University of Osaka, Osa)|2026 Aug 19|PMID: 42617599
シングルセル免疫プロファイリングを用いてスーパーセンテナリアン(110歳以上)のT細胞を解析した結果、CD4細胞傷害性Tリンパ球(CD4 CTL)が100歳頃から拡大し始め、疲弊を示さずにCD27/CD28を順次喪失することが明らかになった。CD4 CTLは大型クローンに支配され、上位クローンが平均33.3%を占め、持続的抗原による反復刺激を示唆した。これらの知見は、CD4 CTLが健康な超高齢化における適応的免疫応答のマーカーである可能性を示している。
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Xiangxiang Cao(Key Laboratory of Epigenetic Regulation and Intervention, In)|2026 Aug 21|PMID: 42616868
Foxp3+制御性T(Treg)細胞がエフェクターTreg(eTreg)細胞へ分化することは免疫寛容と組織恒常性の維持に必須である。本研究では、ヒストンバリアントH3.3が組織Tregで高発現しており、そのシャペロンHiraがTregエフェクタープログラムの重要な調節因子であることを示した。Treg特異的なHira欠損はeTreg集団の減少、抑制機能の障害をもたらし、エピジェネティック機構がeTreg分化に不可欠であることが明らかとなった。
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Ana Maria Hincapie(Department of Biochemistry, McGill University, Montreal, QC,)|2026 Aug 21|PMID: 42616863
抗原特異的液性免疫応答は感染症に対する長期的な防御に重要だが、B細胞分化を制御するメカニズムは十分に解明されていない。本研究では、Ptpn2がLyn、STAT1、STAT3を直接脱リン酸化することでBCRおよびIFN-γシグナルを抑制し、形質細胞への分化とアイソタイプスイッチングを制限することを示した。B細胞特異的Ptpn2ノックアウトマウスではこれらのシグナルが過剰活性化し、抗ウイルス液性免疫が亢進した。
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Mahina Tabassum Mitul(Department of Physiology and Biophysics, Institute for Immun)|2026 Aug 18|PMID: 42594281
エプスタイン・バーウイルス(EBV)の一次感染時のB細胞状態と抗ウイルス応答を解析するため、ヒト扁桃腺オルガノイドモデルが開発された。EBVはB細胞の胚中心様表現型への分化を促進し、トランスクリプトーム解析により多数のB細胞転写状態が明らかにされた。このモデルはEBVが二次リンパ組織微小環境でいかに持続感染を確立するかを理解するための新たな基盤を提供する。
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🟣 自己免疫 Autoimmunity 10 papers
Niels von Wardenburg(Department of Neurology with Experimental Neurology, Charité)|2026 Aug 20|PMID: 42624846
重症筋無力症(MG)はnAChRに対する自己抗体によって引き起こされる自己免疫疾患であり、既存治療では持続的寛解が得られにくい。本研究では、AChRα1およびβ1細胞外ドメインを発現するキメラ自己抗体受容体(CAAR)T細胞を開発し、抗AChR自己抗体産生B細胞を選択的に除去することを目指した。MGモデルにおいてBispecific CAAR-T細胞が自己反応性B細胞を標的排除できることが示され、新たな細胞療法の可能性が示唆された。
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Hannah V Meyer(Simons Center for Quantitative Biology, Cold Spring Harbor L)|2026 Aug 21|PMID: 42616902
胸腺における負の選択では全自己ペプチドのわずか一部しかサンプリングされないにもかかわらず、末梢組織の残りの自己ペプチドへの寛容がどのように一般化されるかを理論的に解明した。免疫系が機械学習における汎化に必要な2つの条件を満たしており、胸腺で自己ペプチドの約10%をランダムにサンプリングするだけで末梢の自己免疫を防ぐのに十分であることを示した。この知見は中枢性免疫寛容の成立メカニズムに関する新たな理論的基盤を提供する。
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Jie Sun(Department of Urology, State Key Laboratory of Virology and )|2026 Aug 21|PMID: 42616895
コレステロール生合成の前駆酵素であるHMGCS1が炎症性サイトカインによって誘導され、病原性TH17細胞に優先的に発現することを示した。HMGCS1は病原性TH17細胞の分化を特異的に制御し、自己免疫疾患を増悪させる一方、非病原性TH17細胞には影響を与えなかった。コレステロール生合成以外の機能としてHMGCS1が病原性TH17細胞の免疫病理に関与するという非従来型の役割が明らかになった。
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Junying Wang(Lineberger Comprehensive Cancer Center, University of North )|2026 Aug 21|PMID: 42616872
TGF-βはT細胞機能を抑制して免疫寛容を維持するが、そのシグナル伝達機構には未解明の部分があった。本研究では、活性化T細胞でSKIタンパク質が上昇し、TGF-βシグナルに応答して低下するという相反関係を発見した。T細胞特異的なSKIの欠損はTGF-βによる抑制を強め、免疫寛容および自己免疫の調節においてSKIが重要な役割を担うことが示された。
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Mohammad Amin Sadeghi(Department of Anesthesiology, Perioperative and Pain Medicin)|2026 Aug 19|PMID: 42616844
本論文は、免疫介在性疾患を有する妊婦における妊娠有害転帰を予測するための、定期的な出生前スクリーニングデータを用いた無細胞DNA(cfDNA)フラグメントミクスに関する研究(Stanley et al.)を紹介する解説記事である。cfDNAフラグメントミクスが免疫介在性疾患における早期警告システムとして機能しうることを論じている。
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Kate E Stanley(Laboratory for Cytogenetics and Genome Research, Department )|2026 Aug 19|PMID: 42616843
妊娠合併症は母体および胎児の罹患率・死亡率に大きく寄与するが、妊娠早期における臨床的リスク因子の予測精度は低い。本研究では免疫介在性疾患を有するハイリスク妊婦1910名の第1三半期血液cfDNAサンプルのフラグメントミクスを解析し、妊娠有害転帰(APO)の早期予測バイオマーカーとしての有用性を評価した。cfDNAフラグメントミクスが出生前スクリーニングにおける有望なツールとなりうることが示された。
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Nicholas W Sugiarto(Center for Data Sciences, Brigham and Women's Hospital and H)|2026 Aug 19|PMID: 42616839
ループス腎炎(LN)はSLEの重篤な合併症であり、多様な免疫細胞・組織細胞が関与する不均一な疾患である。本研究では155名のLN患者と30名の対照から53万件超の単細胞・単核プロファイルおよび血液プロファイルを取得し、主要な間質細胞・免疫細胞の状態を特性評価した。組織特異的な細胞状態と血液中にも認められる細胞状態を区別し、LNの病理学的特徴との関連を明らかにした。
PubMed →
Sahand Karimzadhagh(Celiac Disease and Gluten Related Disorders Research Center,)|2026 Aug 18|PMID: 42612883
本研究は、一般集団におけるセリアック病(CeD)の世界的有病率および臨床的特徴を評価した系統的レビューおよびメタ解析である。tTG-IgA抗体を用いた診断法や生検確認の有無が検出率に影響することが示され、診断方法の違いが有病率推計に大きく寄与することが明らかになった。本研究は約8年ぶりの大規模なアップデートであり、世界的なCeD負荷の最新評価を提供する。
PubMed →
Vu L Tran(St. Giles Laboratory of Human Genetics of Infectious Disease)|2026 Aug 25|PMID: 42607207
チクングニアウイルス(CHIKV)感染による中枢神経系(CNS)合併症患者245例の解析において、CNS感染患者の35%にI型インターフェロンを中和する自己抗体(AAN-I-IFN)が検出された。これらの自己抗体は脳炎、脊髄炎、脳脊髄炎の患者に認められ、CNS感染のない患者225例には検出されなかった。I型IFNを中和する自己抗体がCHIKV関連CNS疾患の約3分の1の症例の基盤にあることが示された。
PubMed →
Lianyuan Tao(Center for Metabolic and Liver Diseases, Sanford Burnham Pre)|2026 Aug 18|PMID: 42579490
原発性硬化性胆管炎(PSC)は胆管がんに進行し得る重篤な肝疾患であるが、その発症機序は十分に理解されていない。本研究では、肝細胞内因性の小胞体ストレスと酸化ストレスという二つの環境的危険因子を組み合わせたマウスモデルを構築し、転写因子NRF2の活性化がPSC様病態の発症に関与することを示した。このモデルはPSCの治療標的としてのNRF2経路の重要性を明らかにし、新たな治療的知見を提供する。
PubMed →
🟡 アレルギー Allergy 2 papers
Radomir Kratchmarov(Division of Allergy and Clinical Immunology, Department of M)|2026 Aug 20|PMID: 42624912
慢性的な肺アレルゲン曝露マウスモデルを用いて、2型炎症の長期持続メカニズムを解析した。TCF1陽性の前駆体様TH2細胞集団が肺内に拡大しており、この前駆細胞がin vivoで2型炎症の開始と維持の双方に十分であることが示された。この結果は、TH2前駆細胞が慢性2型炎症の中核的な細胞基盤を担うことを示している。
PubMed →
Isabella M Salamone(Department of Human Genetics, University of Chicago, Chicago)|2026 Aug 20|PMID: 42580338
ゲノムワイド関連研究で同定された多数のバリアントの多くは、疾患の近位遺伝子(DPG)と呼ばれる限られた中心的な疾患駆動遺伝子の間接的な調節因子であると考えられている。本研究ではDANDELIONと呼ばれる統計的フレームワークを開発し、疾患関連組織からのトランス調節効果と全エクソーム解析による遺伝子レベルの負荷を統合することでDPGを優先的に同定する手法を提案した。喘息にこの手法を適用することで、疾患病態において中心的な役割を果たす遺伝子ドライバーの特定が進んだ。
PubMed →
🩵 ワクチン Vaccines 2 papers
Yuting Duan(Evidence-based Medicine Centre, The Affiliated Traditional C)|2026 Aug 20|PMID: 42623954
ワクチン臨床試験の報告数は毎年増加しているが、CONSORTやSTROBEなどの既存ガイドラインはワクチン特有の項目(免疫原性、有効性、反応原性など)を十分にカバーしていない。本研究では、EQUATORネットワークの指針に従い、ワクチン臨床試験報告のための包括的なチェックリスト「VALUE」を開発した。このガイドラインはワクチン研究の透明性と再現性を高めることを目的としている。
PubMed →
Siyu Chen(Department of Public and Ecosystem Health, College of Veteri)|2026 Aug 18|PMID: 42613442
本研究では、2013年から2025年にわたる米国45州以上の郡・学区・地域レベルの麻疹ワクチン接種データを統合し、アウトブレイクが発生する細粒度の感受性クラスタリングを明らかにした。2025〜2026年には3,500例を超える麻疹症例が報告され、2000年に宣言された排除状態が脅かされている。COVID-19の混乱とワクチン忌避による免疫バッファーの低下が、麻疹排除維持に対する重大なリスクをもたらしている。
PubMed →
🌿 腸内環境・マイクロバイオーム Gut 7 papers
Tsegaye Sewunet(Division of Clinical Microbiology, Department of Laboratory )|2026 Aug 20|PMID: 42624857
グラスマシナル(EP395)は抗菌活性をほぼ持たない免疫調節性マクロライドであり、健康成人を対象としたオープンラベル試験で2週間の経口投与が腸内細菌叢に与える影響を16S rRNA解析および表現型解析で評価した。抗生物質系マクロライドと異なり、腸内細菌叢への影響が最小限にとどまるかどうかが主要な関心事であった。本試験は薬物間相互作用評価を主目的とし、腸内微生物叢への副次的影響を明らかにすることを目指した。
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Andrei L Kleschyov(Department of Physiology and Pharmacology, Karolinska Instit)|2026 Aug 19|PMID: 42617596
腸内細菌が無機硝酸塩と非ヘム鉄からジニトロシル鉄錯体(DNIC)を生成し、これが全身に分布して宿主代謝に影響を与えることが示された。電子常磁性共鳴により、通常飼育マウスの組織ではDNICが検出されたが、無菌マウスでは検出されなかった。硝酸塩と鉄クエン酸塩の食事補給や合成DNICが心代謝的な利益をもたらすことが示され、腸内微生物叢と宿主生理学を結ぶ新たな経路が明らかになった。
PubMed →
Annalisa Buck(Department of Surgery, TUM University Hospital Klinikum rech)|2026 Aug 18|PMID: 42612881
本研究では、クローン病(CD)における腸管線維化においてWISP1がRho/ROCK/MRTF経路を介した細胞骨格リモデリングおよび代謝再プログラムを通じて線維芽細胞活性化を促進することを明らかにした。CD患者の線維化組織のバルクRNAシーケンシング・空間トランスクリプトミクス・リピドミクス解析によりWISP1の役割が同定された。WISP1は腸管線維化の新たな治療標的として有望であることが示唆された。
PubMed →
Juyeon Park(Department of Chemical Engineering, The University of Texas )|2026 Aug 25|PMID: 42607213
血清IgAプロテオミクスを用いて、ヒトノロウイルスに対する単量体IgA(mIgA)と二量体IgA(dIgA)のクローン構成と中和活性を解析した。抗原特異的mIgAの80%以上がdIgAとしても検出され、循環IgGとIgAの間にも一定のクローン的重複が認められた。これらの知見はノロウイルスに対する血清IgA応答の分子的基盤を明らかにするものである。
PubMed →
Lauren E Lynch(Division of Gastroenterology, Hepatology and Nutrition, Depa)|2026 Aug 18|PMID: 42579494
低栄養は腸管透過性を高めて敗血症リスクを増大させるが、その機序は十分に解明されていなかった。低タンパク・低脂肪食による栄養不良モデルを用いた解析で、腸内微生物由来の代謝産物イソ吉草酸が栄養不良によって性差をもって生じる腸管バリア機能障害を改善することが示された。これらの知見は、腸内微生物と微生物由来代謝産物が栄養不良状態の腸管バリア機能維持において重要な役割を果たすことを示している。
PubMed →
Ruxiao Yang-Fischer(Department of Microbiology and Immunology, Columbia Universi)|2026 Aug 20|PMID: 42624111
本研究では、炎症性腸疾患(IBD)リスク遺伝子座がコードする保存型lncRNA「lnc15」を同定し、リスク関連変異がその構造を不安定化して分解を促進することを示した。マウスでlnc15を欠損させると定常状態での炎症シグネチャーが現れ、実験的大腸炎への感受性が高まった。lnc15はT細胞に高発現し転写因子T-BETの発現を抑制することで腸管炎症を制限する機能を持つことが明らかとなった。
PubMed →
Zachary M Earley(Howard Hughes Medical Institute and Department of Microbiolo)|2026 Aug 17|PMID: 42607677
腸管上皮内リンパ球(IEL)の恒常性維持において、Gタンパク質共役受容体シグナル(Gα13およびそのエフェクターArhgef1)が必須の役割を果たすことが示された。Gα13を欠損したIELでは、上皮内での運動が制限され、成熟が障害され、すべてのCD8+ TCRαβおよびTCRγδ IELが腸管特異的に消失した。一方、感染時における腸管内CD8αβ+ Trm細胞の誘導はGα13欠損下でも保たれており、Gα13シグナルがIELのサイトカイン豊富なニッチへの移動を通じて生存を制御することが明らかになった。
PubMed →
🧠 神経免疫 Neuroimmunology 3 papers
F Chris Bennett(Department of Psychiatry, Perelman School of Medicine, Unive)|2026 Aug 20|PMID: 42624075
神経変性疾患は神経細胞の障害だけでなく、神経系と免疫系のクロストークの破綻として捉え直すべきであるという概念を包括的にレビューした。免疫細胞は脳機能の維持・修復において受動的な応答者ではなく、神経細胞の脆弱性と回復力を積極的に調節する哨兵として機能することが明らかになっている。神経ネットワークと免疫ネットワークの複雑な相互作用から神経変性が生じるというモデルが、蓄積された証拠によって支持されている。
PubMed →
Jang Hyun Park(Brain Immunology and Glia (BIG) Center, Washington Universit)|2026 Aug 19|PMID: 42618784
頭蓋骨と硬膜の間のチャネルが脳脊髄液と免疫細胞の交換を仲介することは既に示されているが、頭蓋骨骨髄がCNS抗原特異的適応免疫応答においてどのような役割を担うかは不明であった。本研究では、頭蓋骨のリンパ様構造がCNSの免疫監視において機能的な役割を持つことを明らかにした。この知見は、CNSと末梢免疫系をつなぐ適応免疫経路の理解を深めるものである。
PubMed →
Jade Harkin(Department of Pharmacology and Toxicology, Indiana Universit)|2026 Aug 25|PMID: 42616788
本研究では、ヒト多能性幹細胞から分化させたミクログリア・アストロサイト・網膜神経節細胞(RGC)の三細胞共培養システムを構築し、神経炎症におけるミクログリアのRGCへの影響を解析した。このプラットフォームは、緑内障などの視神経症においてミクログリアがRGCの健康と疾患進行を調節する分子メカニズムの解明に有用である。ヒトの文脈でミクログリア–RGC間の相互作用を研究するための新たなin vitroモデルを提供している。
PubMed →
🔥 代謝免疫 Immunometabolism 2 papers
Jonathan Bertram(Charité - Universitätsmedizin Berlin, Corporate Member of Fr)|2026 Aug 21|PMID: 42616886
92組の双子を対象に、体重を維持しながら低脂肪食から西洋型高脂肪食(WD)へ6週間切り替えた際の代謝・炎症・脂肪組織転写応答を調べた。WDはLDLおよびHDLコレステロールを増加させ、1週間後にインスリン抵抗性と一部の炎症マーカーの一過性上昇を引き起こしたが、その後消失した。また、脂肪組織では嗅覚受容体の発現など非典型的な転写変化が観察され、肥満非依存的なWDの影響が示された。
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Fawaz Alzaid(Institut Necker Enfants Malades (INEM), INSERM U1151, CNRS U)|2026 Aug 20|PMID: 42624110
本総説では、肥満が癌の感受性・進行・治療反応に与える影響の機序について、最新の知見を整理した。脂肪組織および肝臓における常在・recruited マクロファージが代謝ストレスに適応するプロセスと、肥満駆動の骨髄系細胞リプログラミングが全身免疫機能に波及する仕組みを概説している。骨髄系細胞が代謝炎症と腫瘍免疫の接点で保存的役割を担うという枠組みから、肥満関連癌への新たな治療標的の可能性が示された。
PubMed →
⚪ その他 Other 2 papers
Catherine Offord()|2026 Aug 20|PMID: 42623471
骨内にリンパ管が存在するという予期せぬ研究結果に対し、複数の科学者から異論が提起され、論文掲載が直前で遅延するという事態が起きたことを報告するニュース記事である。相互に矛盾するデータが著名な学術誌での論争を引き起こしており、この発見の妥当性が議論されている。科学的な検証プロセスと出版をめぐる緊張関係が浮き彫りになっている。
PubMed →
Hongtu Hu(Department of Nephrology, Chongqing Key Laboratory of Preven)|2026 Aug 15|PMID: 42603515
急性腎障害(AKI)の病態生理を、傷害の開始・エフェクター機構、細胞運命と免疫微小環境、修復と転帰決定、全身統合という4つの相互連関した次元に整理する包括的なレビューを提示した。クレアチニンや尿量では捉えきれない分子エンドタイプと精密表現型を定義し、各病期に適応した治療戦略への応用が論じられた。酸化傷害、細胞死、炎症、線維化、臓器間クロストークを含む多面的な生物学的プロセスの理解を深める枠組みを提供する。
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📄 Abstract未掲載 15 papers
Karen O'Leary()|2026 Aug 20|PMID: 42625064
Abstract未掲載
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Rachel Fieldhouse()|2026 Aug 20|PMID: 42625040
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Holm H Uhlig(Centre for Human Genetics, Nuffield Department of Medicine, )|2026 Aug 20|PMID: 42624913
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()|2026 Aug 19|PMID: 42618636
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Katherine Bourzac()|2026 Aug 19|PMID: 42618621
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()|2026 Aug 19|PMID: 42618612
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()|2026 Aug 18|PMID: 42613463
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Ruth R Montgomery(Yale School of Medicine, New Haven, CT, USA. Ruth.Montgomery)|2026 Aug 18|PMID: 42613460
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Jostein H Ibsen(Norwegian Coeliac Disease Research Centre, University of Osl)|2026 Aug 18|PMID: 42612884
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Xinhui Ni(Shanghai Frontiers Science Center of Genome Editing and Cell)|2026 Aug 17|PMID: 42608477
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Purbita Bandopadhyay(Center for Immunology, Department of Laboratory Medicine and)|2026 Aug 17|PMID: 42608476
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Susan Westfall(Department of Microbiology and Immunology, McGill University)|2026 Aug 17|PMID: 42608474
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Alexandra Noble(Translational Gastroenterology and Liver Unit, Nuffield Depa)|2026 Aug 17|PMID: 42607732
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97
総論文数
19
腫瘍免疫
22
感染症
9
自然免疫
4
獲得免疫
10
自己免疫
2
アレルギー
2
ワクチン
7
腸内環境・マイクロバイオーム
3
神経免疫
2
代謝免疫
2
その他

Categories

🔴 腫瘍免疫 Tumor Immunology 19 papers
Lae-Guen Jang(Department of Systems Biology, Division of Life Sciences, In)|2026 Aug 20|PMID: 42624114
By analyzing paired oral and fecal microbiomes from 507 participants including healthy controls, metabolic disorder patients, and gastrointestinal cancer patients, the researchers developed a quantitative mouth-to-feces (MF) index to measure oral-to-gut microbial transmission. Elevated MF transmission was detected in cancer patients and strongly associated with host metabolic and inflammatory markers. A machine learning classifier built on transmitted microbial taxa enabled robust non-invasive diagnosis of gastrointestinal cancers.
PubMed →
Yunhao Gao(Department of Urology, National Cancer Center/National Clini)|2026 Aug 20|PMID: 42624074
Lei et al. reveal a reciprocal circuit in which cuproptotic tumor cells promote dendritic cell activation and CD8+ T cell priming, while T cell-derived IFN-γ in turn sensitizes tumor cells to FDX1-dependent cuproptosis. This self-reinforcing loop mechanistically supports combining cuproptosis induction with PD-L1 blockade to overcome immunotherapy resistance. The findings establish a new link between copper metabolism and antitumor immunity.
PubMed →
Oliver Takacsi-Nagy(Department of Pathology, Stanford University, Stanford, CA, )|2026 Aug 19|PMID: 42617595
A scalable, evolutionarily guided method called DESynR was developed to assemble novel genes by recombining domains within protein families. In primary human T cells, DESynR activator protein-1 transcription factors significantly outperformed natural AP-1 transcription factors in both in vitro and in vivo antitumor assays. These synthetic transcription factors induced broad transcriptional and epigenetic reprogramming, establishing non-natural T cell states that enhanced CAR T cell antitumor function.
PubMed →
Christos Georgiadis(UCL Great Ormond Street Institute of Child Health, London, W)|2026 Aug 19|PMID: 42616838
CAR T cell therapy for AML is constrained by antigen heterogeneity, shared expression with healthy tissues, and difficulty obtaining autologous T cells from heavily pretreated patients. This study developed universal donor-derived base-edited anti-CD33 CAR T cells (BE-CAR33) using multiplexed cytidine deamination to simultaneously disrupt TRAC, CD52, and CD7 loci, preventing graft-versus-host disease. A phase 1 feasibility trial demonstrated the safety and preliminary efficacy of this off-the-shelf cell therapy approach for AML.
PubMed →
Jianwen Chen(Department of Microbial Infection and Immunity, Infectious D)|2026 Aug 25|PMID: 42616778
This study demonstrates that the mitochondrial calcium uniporter (MCU) inhibits ferroptosis during embryogenesis and tumor development by supporting the function of the ferroptosis gatekeeper GPX4 through acetyl-CoA production. MCU-mediated suppression of ferroptosis impairs antitumor immunity within the tumor microenvironment. These findings reveal a novel signaling axis linking mitochondrial calcium metabolism to ferroptosis regulation and cancer immune evasion.
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Lin Shao(State Key Laboratory of Genetics and Development of Complex )|2026 Aug 25|PMID: 42616777
This study identifies Vgll4, a Hippo pathway component, as a critical intrinsic guardian of neutrophil antitumor identity within the tumor microenvironment (TME). Neutrophil-specific deletion of Vgll4 triggers an immunosuppressive phenotypic switch driven by STAT3/STAT5 signaling, accelerating tumor progression. These findings reveal that Vgll4 prevents neutrophils from adopting a pro-tumorigenic state, highlighting it as a potential therapeutic target in cancer immunotherapy.
PubMed →
Tianyi Tian(Tongji School of Pharmacy, Huazhong University of Science an)|2026 Aug 18|PMID: 42613461
This study developed syncytial CAR macrophages (S-CAR-Ms) by fusing CAR-macrophages with neutrophils, significantly enhancing tumor infiltration through chemokine-driven migration. S-CAR-Ms leverage neutrophil-derived extracellular traps and reactive oxygen species to increase phosphatidylserine exposure on tumor cells, enabling efficient phagocytosis of tumor debris. This approach overcomes limitations of conventional CAR-M therapy, including poor tumor infiltration and immune evasion by antigen-low tumors.
PubMed →
Manuel Mastel(.Heidelberg Institute for Stem Cell Technology and Experimen)|2026 Aug 18|PMID: 42612882
This study used multiple genetically engineered mouse models and organoid transplantation systems to define the role of WNT pathway activation in the malignant transformation and immune evasion of BRAF-mutant microsatellite-stable (MSS) colorectal cancer (CRC). WNT activation was found to promote immune evasion and drive aggressive tumor progression in the serrated CRC pathway. These findings illuminate the molecular basis of therapy resistance and poor prognosis in BRAF-mutant MSS CRC.
PubMed →
Pakhi Birla(Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins Uni)|2026 Aug 25|PMID: 42611994
Using paired single-cell RNA and TCR sequencing of tumor-infiltrating T cells from non-small cell lung cancer patients receiving neoadjuvant PD-1 blockade, this study found that select riboflavin-auxotrophic intratumoral Enterococcus species enhance cell-surface MR1 expression. This upregulation of MR1 by specific bacteria promotes MAIT cell TCR activation, suggesting a role in antitumor immune surveillance. The findings reveal how intratumoral microbiota can modulate innate-like T cell responses in human lung tumors.
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Vaishali Aggarwal(Department of Immunology, University of Pittsburgh School of)|2026 Sep 07|PMID: 42611047
Using a Lag3 lineage-tracing mouse model, this study fate-mapped tumor-reactive LAG3+CD8+ exhausted T cells and found they diverge into two distinct subsets: terminally exhausted cells and long-lived memory T cells. The two tdTomato+ CD8 T cell subsets, distinguished by LAG3 surface expression, showed contrasting anatomical distributions, functionality, and transcriptional profiles despite sharing clonal origins. These findings illuminate the plasticity of exhausted T cells in tumors and have implications for LAG3-targeted immunotherapy.
PubMed →
Cheyanne K Shinn(Skaggs School of Pharmacy and Pharmaceutical Sciences, Unive)|2026 Aug 25|PMID: 42607203
Intratumoral delivery of CXCL10 in murine head and neck squamous cell carcinoma models drove tumor elimination and inhibited recurrence by recruiting and enhancing the antitumoral functions of CD8+ T cells, CD4+ T cells, and NK cells via the CXCR3/CXCL10 axis. CD8+ T cells showed enhanced activation, tumor-antigen specificity, reduced exhaustion, and the treatment also stunted angiogenesis. Exploiting this chemokine axis represents a strategy to override immune-suppressive tumor microenvironments and improve checkpoint blockade efficacy.
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Taichi Horino(Department of Molecular Genetics, Graduate School of Medical)|2026 Aug 17|PMID: 42606940
In aged mice, 30% caloric restriction significantly suppressed tumor growth in syngeneic models of colorectal cancer and melanoma, accompanied by enhanced CD8+ T cell infiltration into tumors. Depletion of CD8+ T cells abolished the tumor-suppressive effects of caloric restriction in aged mice, demonstrating a critical immune-dependent mechanism. These findings advance understanding of how caloric restriction engages anti-tumor immunity in an age-dependent manner.
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Montserrat Puigdelloses Vallcorba(Department of Oncological Sciences, Tisch Cancer Institute, )|2026 Aug 18|PMID: 42594274
Diffuse midline gliomas (DMGs) harbor K27M mutations in histone H3 genes that shape the intratumoral myeloid cell composition in a variant-specific manner. Genetic ablation of monocyte recruitment in H3.1K27M DMGs triggers compensatory myeloid remodeling, increasing microglia and neutrophils while reducing monocyte-derived macrophages, yet overall survival remains unchanged. Using CRISPR/Cas9-based genomic approaches, the study demonstrates that distinct H3 K27M variants determine myeloid subset dependencies and immune reprogramming within the tumor microenvironment.
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Marta Massari(Department of Biology and Biotechnology "Lazzaro Spallanzani)|2026 Aug 18|PMID: 42585003
IL4I1, a human L-amino acid oxidase (LAAO), plays important roles in cancer biology and immune modulation, but its inherent instability has hindered biochemical characterization. This study presents a comprehensive biochemical and structural investigation of tetrapod LAAOs, elucidating how IL4I1 evolved a preference for aromatic amino acids from a broad-specificity ancestral enzyme. Unlike cytotoxic snake venom LAAOs, human IL4I1 is structurally adapted for immunosuppressive metabolic functions, offering insights for drug targeting.
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Alexandre J Poirier(Rosalind and Morris Goodman Cancer Institute, McGill Univers)|2026 Aug 18|PMID: 42579487
Cancer immune evasion remains a major barrier to immune checkpoint blockade (ICB) success, and PTPN2 has emerged as a druggable target for cancer immunotherapy. This study identifies PTPN1 and PTPN2 as cooperative regulators that set interferon responsiveness thresholds governing cancer immune evasion, with small-molecule inhibitors in clinical development targeting both phosphatases. Understanding the distinct and cooperative roles of each phosphatase in cancer cells is critical for optimizing therapeutic strategies.
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Hailei Du(Department of Thoracic Surgery, Ruijin Hospital, Shanghai Ji)|2026 Aug 18|PMID: 42574617
Immunotherapy resistance is a major barrier to sustained benefit in non-small cell lung cancer (NSCLC). By integrating CODEX, metabolomics, CyTOF, ATAC-seq, and single-cell spatial transcriptomics, the study uncovers an ALDH9A1-carnitine signaling axis that drives resistance to anti-PD-1 therapy. Loss of ALDH9A1 markedly restrains tumor growth in immunocompetent mice, accompanied by increased maturation of tertiary lymphoid structures and reduced protumorigenic MDSC accumulation.
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Guang Lei(Department of Experimental Radiation Oncology, The Universit)|2026 Aug 20|PMID: 42330950
This study demonstrates that CD8+ T cell-mediated antitumor immunity enhances tumor cell susceptibility to cuproptosis, resulting in greater tumor-suppressive effects of cuproptosis inducers in immunocompetent compared to immunodeficient hosts. Cuproptotic tumor cells act as immunogenic cell death, releasing damage-associated molecular patterns that activate dendritic cells and amplify antitumor immunity. This cuproptosis-immunity crosstalk informs strategies to overcome immunotherapy resistance.
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Shi Yue(Eli and Edythe Broad Center for Regenerative Medicine and St)|2026 Aug 20|PMID: 42320470
This study establishes defined culture conditions enabling long-term expansion of mouse and human granulocyte-monocyte progenitors (GMPs) while preserving progenitor identity and myeloid potential, positioning GMPs as a renewable platform for cellular immunotherapy. Myeloperoxidase was identified as a key regulator of GMP proliferation, and transferred GMPs were shown to seed hematopoietic niches and generate donor-derived tumor-infiltrating macrophages in vivo. This approach overcomes key limitations of current engineered macrophage therapies including poor expansion and genetic tractability.
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Nelson F Freeburg(Cancer Biology Department, Perelman School of Medicine at th)|2026 Aug 20|PMID: 42296961
This study performed in-depth longitudinal profiling of cerebrospinal fluid and tumor samples from responders and non-responders in a phase 1 trial of intracerebroventricular bivalent CAR T cell therapy for recurrent glioblastoma. The findings highlight that the endogenous immune compartment plays a critical role in determining treatment outcomes after CAR T cell therapy. Characterizing immune dynamics in responders versus non-responders provides insights into mechanisms of relapse and potential strategies to improve CAR T efficacy in GBM.
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🟢 感染症 Infection 22 papers
Wouter Courtens(Research Institute for Nature and Forest, Brussels, Belgium.)|2026 Aug 19|PMID: 42618581
Using 28 years of ringing data and individual-level data from the 2022 HPAI mass mortality event in Sandwich terns, researchers found that mortality was strongly age-biased, increasing from approximately 5-10% in young breeders to over 40% in the oldest individuals. No sex bias was observed. These findings highlight the particular threat that HPAI poses to long-lived seabirds with low reproductive rates.
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Tanja Hann(Department of Molecular Biophysics and Biochemistry, Yale Un)|2026 Aug 19|PMID: 42617594
Using orthogonal in-cell chemical probing, researchers systematically mapped and functionally interrogated structured RNA elements across the murine norovirus genome, revealing conserved motifs that regulate viral function. Targeted disruption of specific RNA structures altered viral replication and immune recognition in vivo. These findings demonstrate that viral RNA structures orchestrate key steps of the norovirus life cycle and provide a rational basis for virus attenuation strategies.
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Adrià San-José(Climate and Health RG, ISGlobal, Barcelona, Spain.)|2026 Aug 21|PMID: 42616880
A multiscale connection was established between cutaneous leishmaniasis dynamics in North Africa, the North Atlantic Oscillation (NAO), and Atlantic Multidecadal Variability (AMV), revealing that the NAO influences disease not only through seasonal rainfall but also via low-frequency NAO-AMV variability modulating interannual dynamics. This coupled atmosphere-ocean system provides predictors with sufficient lead time for long-range seasonal forecasts of leishmaniasis risk. The findings enable the development of early warning systems for this climate-driven infectious disease in temperate regions.
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Everlyn Kamau(Francis I. Proctor Foundation, University of California, San)|2026 Aug 21|PMID: 42616861
High-density peptide arrays were used to map linear antibody epitopes and evaluate the magnitude and breadth of humoral responses to enteric pathogens in the context of public health interventions. The study characterized epitope landscapes for immunogenic proteins from viruses, bacteria, and parasites, inferring immunological profiles at ages 3, 14, and 28 months. The peptide libraries detected immune signatures more effectively for viruses than for bacteria and parasites.
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H Minh Thai(Department of Chemistry, The Herbert Wertheim University of )|2026 Aug 25|PMID: 42616789
Despite rapid growth in genome sequencing, functional annotation of genes remains challenging due to annotation biases propagated across homologous sequences. This study discovered that rv2531c in Mycobacterium tuberculosis, previously annotated as a member of the lysine-ornithine-arginine decarboxylase family, actually functions as a glutamate decarboxylase sustaining the GABA shunt. This cloaked enzymatic activity is under strong purifying selection and represents a potentially novel target for antitubercular drug development.
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Pan Wu(Department of Clinical Microbiology and Immunology, College )|2026 Aug 19|PMID: 42616642
This study shows that Hcp1, a type VI secretion system effector of Burkholderia pseudomallei, promotes multinucleated giant cell (MNGC) formation by targeting host arginase-1 (ARG1) and redirecting arginine metabolism toward polyamine biosynthesis. Polyamine accumulation drives MNGC formation, facilitating bacterial dissemination and melioidosis progression. These findings elucidate a key pathogenic mechanism of B. pseudomallei and identify potential therapeutic targets for this life-threatening disease.
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Ronan Corgel(Department of Epidemiology, Johns Hopkins Bloomberg School o)|2026 Aug 25|PMID: 42611995
This study examined how spatially aggregating human mobility data affects infectious disease model inferences by integrating multiscale mobility data from Sri Lanka into SEIR metapopulation models. Different spatial scales of mobility data introduced systematic biases in estimates of disease introduction events and local transmission dynamics. The findings highlight the importance of aligning the spatial scale of mobility data with the transmission scale relevant to the disease being modeled.
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Cyrille L Delley(Department of Bioengineering and Therapeutic Sciences, Unive)|2026 Aug 25|PMID: 42611989
Using DAb-seq, a high-throughput method combining single-cell DNA and surface protein sequencing, the study profiled approximately 527,000 CD4 T cells from six HIV-infected individuals on antiretroviral therapy to characterize the immunophenotype and proviral landscape of reservoir cells. HIV-infected cells were distributed across all CD4 T cell subsets, providing detailed insight into the unique properties of these rare cells. These findings advance understanding of the HIV reservoir and may inform strategies to identify and target infected cells.
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César Trifone(Centre de Recherche du CHUM, Montréal, QC H2X 0A9, Canada; D)|2026 Aug 18|PMID: 42611705
This study developed SIV-Flow, a flow cytometry-based assay, to quantify and characterize productively infected CD4 T cells in blood, spleen, and lymph nodes of eight chronically SIV-infected rhesus macaques. A consistent average of approximately 1,000 infected cells per million CD4 T cells was observed with limited anatomical variation, and most productively infected cells displayed a memory phenotype. These findings clarify the contribution of different CD4 T cell subsets to viral production across tissues.
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Karamoko Niaré(Department of Pathology and Laboratory Medicine, Brown Unive)|2026 Aug 17|PMID: 42608602
Whole-genome sequencing of 157 Plasmodium falciparum samples from Uganda revealed the emergence and spread of polymorphisms in a locus designated PX1, associated with decreased susceptibility to artemether-lumefantrine components. Extended haplotypes were observed around known Kelch13 resistance mutations, and PX1 polymorphisms also showed signatures of positive selection. These findings highlight the evolving threat of antimalarial resistance in Africa and the need for genomic surveillance.
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Pedro Puig(Departament de Matemàtiques, Universitat Autònoma de Barcelo)|2026 Aug 25|PMID: 42607223
Using previously unexamined daily death records and a Bayesian epidemiological model, this study re-analyzed the 1820 plague outbreak in eastern Mallorca, estimating the basic reproduction number, mean infectious period, and case-fatality ratio. The inferred epidemiological parameters were inconsistent with classic bubonic plague transmission dynamics, suggesting this outbreak was not a typical bubonic manifestation. The findings challenge the traditional classification of this event within the Second Plague Pandemic.
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Tainan C Guedes-Silva(Laboratório de Bioquímica de Artrópodes Hematófagos, Institu)|2026 Aug 25|PMID: 42607220
Transcriptomic analysis of Rhodnius prolixus revealed five small Heat Shock Protein (sHSP) family members highly expressed after blood meals but downregulated upon Trypanosoma cruzi infection in the digestive apparatus. Functional studies indicated that sHSPs play important roles in intestinal homeostasis and defense against T. cruzi infection in this Chagas disease vector. These findings provide insight into the molecular mechanisms governing host-parasite interactions in the insect vector.
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Richard S Ostfeld(Cary Institute of Ecosystem Studies, Millbrook, NY 12545.)|2026 Aug 25|PMID: 42607219
Using over 30 years of long-term monitoring data from endemic sites in New York State, this study evaluated a conceptual model of the Lyme disease ecological system involving ticks, pathogens, vertebrate hosts, and abiotic conditions. Contrary to conventional wisdom, the abundance of nymphal black-legged ticks alone was insufficient to predict human exposure risk, with complex host community interactions playing critical roles. The findings contribute to a more comprehensive predictive understanding for reducing Lyme disease and tick-borne zoonosis exposure risk.
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Pierce Longmire(Department of Immunobiology, BIO5 Institute, University of A)|2026 Aug 25|PMID: 42607204
This study reveals that host DNA repair factors contribute to a mechanism of resistance to ganciclovir, a first-line nucleoside analog therapy against human cytomegalovirus. Mutations reducing the exonuclease activity of the viral DNA polymerase UL54 allow ganciclovir incorporation without chain termination, conferring resistance. The findings provide new insight into how host functions can empower antiviral drug resistance mechanisms in a clinically important herpesvirus.
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Félix Ramos-León(Laboratory of Molecular Biology, National Cancer Institute, )|2026 Aug 17|PMID: 42606939
The cell division septum placement factor PcdA in Staphylococcus aureus mediates orthogonal cell division, and its deletion impairs staphylococcal abscess community formation both in vivo and in a three-dimensional in vitro model. Loss of PcdA leads to uneven distribution of surface virulence factors, disrupting the structured multicellular communities that enable immune evasion. These findings demonstrate that the geometry of cell division is integral to S. aureus pathogenesis and abscess formation.
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Chang-Kyu Yoon(Department of Microbiology and Immunology, Cornell Universit)|2026 Aug 17|PMID: 42606933
Salmonella Typhi exploits MUC2-derived N-acetylgalactosamine (GalNAc), abundant in ileal mucus, sensed via three Typhi-specific extracellular residues of the outer membrane protein OmpW to upregulate invasion and achieve ileal tropism. In contrast, the closely related S. Typhimurium is inhibited by MUC2, highlighting a key species-specific difference. A periplasmic relay through FepE_STy, RS12510, and TonB transmits the GalNAc signal intracellularly, explaining the anatomical preference of typhoid fever for the ileum.
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Erin F McCaffrey(Department of Pathology, Stanford University School of Medic)|2026 Aug 18|PMID: 42579482
Tuberculosis granulomas can both restrict and impede clearance of Mycobacterium tuberculosis (Mtb), and IDO1-mediated immunosuppression limits activated T cell infiltration and contributes to disease progression. Treatment with the IDO1 inhibitor 1-methyl-D-tryptophan (D-1MT) restores mTOR signaling and has been shown to improve immune responses in Mtb-infected rhesus macaques. This study demonstrates that D-1MT therapeutically remodels TB granulomas by enhancing CD8+ T cell-macrophage interactions, thereby boosting antimycobacterial immunity.
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Wanjun Qi(Division of Infectious Diseases, Boston Children's Hospital/)|2026 Aug 18|PMID: 42574622
Candida albicans is the most common invasive human fungal pathogen, and its thioredoxin reductase Trr1 is identified as an attractive antifungal target because it is essential at human body temperature and structurally divergent from its human counterpart. TRR1 depletion not only impairs oxidative damage repair directly but also triggers cascading disruption of stress signaling and metabolic adaptation. These cascading effects result in amphotericin hypersensitivity, revealing Trr1 as a promising target for antifungal drug development.
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Lin Li(State Key Laboratory of Pathogen and Biosecurity, Academy of)|2026 Aug 20|PMID: 42476130
This study introduces VID (viral protease-initiated lytic cell death), a universal mRNA therapeutic platform that engineers gasdermin-D (GSDMD) with viral protease-specific cleavage motifs to selectively trigger pyroptosis in virus-infected cells. Lipid nanoparticle-encapsulated VIDA mRNA was validated using hepatitis A virus as a model and demonstrated potent antiviral activity. The modular design of VIDAs suggests broad applicability across diverse viral pathogens.
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Caleb R Glassman(Department of Genetics, Harvard Medical School, Boston, MA, )|2026 Aug 20|PMID: 42424437
Using a virome-wide library of approximately 10,000 viral open reading frames, this study systematically identified viral ubiquitin ligases and characterized their mechanisms of host substrate degradation through CRISPR screens and proteomics. These viral effectors were classified into canonical ligases mimicking host E3s, hijackers redirecting host E3s, and noncanonical ligases rewiring cullin-RING machinery. Despite their mechanistic diversity, these strategies converged on degradation of immune-related substrates, revealing broad viral immune evasion strategies.
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Eric Fujimura(Department of Genetics, Harvard Medical School, Boston, MA 0)|2026 Aug 20|PMID: 42392077
This study developed a barcoded library of approximately 12,000 viral open reading frames (vORFs) from 513 viral species to enable systematic exploration of the virome. Leveraging this resource, hundreds of viral regulators of cellular proliferation, MHC class I antigen presentation, and interferon signaling were identified. Integration of results across screens revealed unique phenotypic profiles and functional vORF modules, providing a systems-level framework for understanding host-pathogen interactions.
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Tomas Pachano(Research Institute of Molecular Pathology (IMP), Vienna Bioc)|2026 Aug 20|PMID: 42379168
This study developed the effector ORFeome (eORFeome), a scalable functional genomics platform comprising 3,835 effector ORFs from diverse viruses, bacteria, and parasites, to systematically characterize pathogen effector functions. High-throughput barcoded screens across NF-κB, apoptosis, p53, cGAS-STING, and MHC class I pathways uncovered novel functions for hundreds of uncharacterized effectors and unexpected activities of previously studied ones. This resource provides a comprehensive framework for understanding how pathogens manipulate host cell biology.
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🟠 自然免疫 Innate Immunity 9 papers
Lorenza Iolanda Tsansizi(Antimicrobial Defence Laboratory, The Francis Crick Institut)|2026 Aug 20|PMID: 42623469
RAD51, a protein involved in DNA recombination repair, was found to mediate the branched chromatin architecture of neutrophil extracellular traps (NETs). Pharmacological inhibition, knockdown of RAD51, or resolvase treatment reduced NET branching and stability, while RAD51 upregulation increased stability. In a murine Aspergillus fumigatus pulmonary infection model, RAD51 inhibition dismantled NETs and reduced lung cytokines but led to increased pathogen accumulation, revealing a role for NET stability in compartmentalizing inflammation.
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Joan Blanco-Fernandez(Department of Immunobiology, Faculty of Biology and Medicine)|2026 Aug 21|PMID: 42616903
Transcriptomics was integrated with whole-cell and purified mitochondrial proteomics to profile macrophages stimulated with LPS/IFN-γ or IL-4/IL-13, revealing a notable disconnect between mitochondrial transcript and protein levels under either stimulus. The integrated stress response was found to inhibit IL-4/IL-13-driven macrophage reprogramming. These findings highlight the central role of mitochondrial remodeling in immunometabolic regulation across distinct macrophage activation states.
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Xin Wang(Biomedical Polymers Laboratory, and Jiangsu Key Laboratory o)|2026 Aug 21|PMID: 42616873
CD24 selectively suppresses DAMP-associated inflammation via Siglec interaction, but effective pulmonary delivery has been challenging. This study developed ROS-responsive, mucus-penetrable nanogels (ROSμNG) enabling inhaled delivery of CD24 to the lungs. The system demonstrated selective hyperinflammation suppression and therapeutic efficacy in severe pneumonia models.
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Markus Huber-Lang(Institute of Clinical and Experimental Trauma Immunology, Ul)|2026 Aug 18|PMID: 42613462
This review characterizes the hallmarks of the multidimensional human immune response to trauma, highlighting the simultaneous activation of innate and adaptive immunity alongside neuroendocrine, endovascular, and metabolic axes. Immune trajectories after trauma are shaped by patient-specific, injury-specific, and care-specific determinants, ranging from recovery to chronic dysfunction or death. Multi-omics analyses of trauma cohorts enable endotype discovery, offering promise for personalized therapeutic strategies.
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Nicolás Romero(Department of Microbiology, Blavatnik Institute, Harvard Med)|2026 Aug 25|PMID: 42611990
This study demonstrates that early events during herpes simplex virus 1 infection induce blebbing of nuclear DNA into the cytoplasm, where it recruits and colocalizes with cGAS, leading to activation of interferon regulatory factor 3. This mechanism provides an explanation for how nuclear-replicating DNA viruses and certain RNA viruses can activate the cGAS cytoplasmic DNA sensing pathway. The findings uncover a previously elusive innate immune sensing mechanism triggered by viral entry.
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Veronica E Ramirez(Biotechnology of Horticultural Crops, School of Life Science)|2026 Aug 25|PMID: 42607200
Brassinosteroid (BR) steroid hormones in Arabidopsis thaliana suppress immunity-related genes through the BR-regulated bHLH transcription factors CESTA and BEE1-3, which mediate epigenetic changes including DNA methylation at immune gene loci. This mechanism allows plants to balance the trade-off between mounting immune responses and maintaining normal growth and development. The findings reveal an epigenetic regulatory layer by which steroid hormones control plant immunity.
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Yawen Chen(State Key Laboratory of Immune Response and Immunotherapy, T)|2026 Aug 18|PMID: 42574634
Conventional NK cells are educated through inhibitory receptor engagement with MHC-I ligands, but whether type 1 innate lymphoid cells (ILC1s) undergo a similar education process was unclear. This study reveals that the inhibitory receptor CD200R educates ILC1s for optimal cytotoxic competence but is dispensable for IFN-γ production, unlike conventional NK cell education. Moreover, ILC1 cytotoxicity remains intact in MHC-I-deficient mice, indicating that ILC1 education relies on a distinct mechanism from that of conventional NK cells.
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Ilya Osterman(Department of Molecular Genetics, Weizmann Institute of Scie)|2026 Aug 20|PMID: 42424438
This study describes Metis, a novel bacterial defense system that senses phage-mediated host genome degradation by detecting the methylated mononucleotide N6-methyl-deoxyadenosine monophosphate (m6dAMP). Upon sensing m6dAMP, type I Metis activates an NAD+ diphosphatase, leading to NAD+ depletion and abortive phage infection. This mechanism reveals how bacteria exploit the unusual accumulation of methylated mononucleotides as a signal of genome destruction to mount an antiphage defense.
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Vojo Deretic(Autophagy Inflammation and Metabolism Center of Biomedical R)|2026 Aug 17|PMID: 42607678
Canonical autophagy uses double-membrane autophagosomes modified by ATG8 proteins through membrane atg8ylation to sequester and eliminate intracellular targets such as invading microbes, defunct organelles, and inflammatory molecules. Noncanonical autophagic processes involving membrane atg8ylation of organelles other than autophagosomes have recently been linked to immune responses. Together, these canonical and noncanonical pathways are integrally connected to both innate and adaptive immunity as well as sterile and pathogen-induced inflammation.
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🔵 獲得免疫 Adaptive Immunity 4 papers
Kosuke Hashimoto(Institute for Protein Research, The University of Osaka, Osa)|2026 Aug 19|PMID: 42617599
Single-cell immune profiling of supercentenarians revealed that CD4 cytotoxic T lymphocytes (CD4 CTLs) begin expanding around age 100, characterized by sequential CD27/CD28 loss without exhaustion markers. CD4 CTL repertoires were dominated by large clones averaging 33.3% of the top clones, suggesting repeated stimulation by persistent antigens. These findings indicate that CD4 CTL expansion may represent an adaptive immune feature of healthy extreme aging.
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Xiangxiang Cao(Key Laboratory of Epigenetic Regulation and Intervention, In)|2026 Aug 21|PMID: 42616868
Differentiation of Foxp3+ regulatory T cells into effector Treg cells is essential for immune tolerance and tissue homeostasis. This study found that the histone variant H3.3 is enriched in tissue Tregs, and its chaperone Hira is a critical epigenetic regulator of the Treg effector program. Treg-specific deletion of Hira reduced the eTreg population and impaired suppressive function, highlighting the importance of H3.3 chromatin remodeling in eTreg differentiation.
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Ana Maria Hincapie(Department of Biochemistry, McGill University, Montreal, QC,)|2026 Aug 21|PMID: 42616863
Antigen-specific humoral responses are critical for long-term protection against infectious diseases, yet mechanisms regulating B cell differentiation remain incompletely understood. This study identifies Ptpn2 as a B cell-intrinsic regulator that restrains BCR and IFN-γ signaling by directly dephosphorylating Lyn, STAT1, and STAT3, thereby limiting plasma cell fate and isotype switching. B cell-specific Ptpn2 knockout mice showed hyperactivation of these pathways and enhanced antiviral humoral immunity.
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Mahina Tabassum Mitul(Department of Physiology and Biophysics, Institute for Immun)|2026 Aug 18|PMID: 42594281
A human tonsil organoid model was developed to study Epstein-Barr virus infection biology, capturing infected B cell states and antiviral responses including during primary infection. EBV promoted B cell differentiation into germinal center-like phenotypes, and transcriptomic analyses revealed numerous distinct B cell transcriptional states induced by infection. This organoid system provides a valuable new platform for understanding how EBV colonizes lymphoid tissue microenvironments to establish persistent infection associated with malignancy and autoimmunity.
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🟣 自己免疫 Autoimmunity 10 papers
Niels von Wardenburg(Department of Neurology with Experimental Neurology, Charité)|2026 Aug 20|PMID: 42624846
Myasthenia gravis is an autoimmune disorder mediated by autoantibodies against the nicotinic acetylcholine receptor, and current therapies fail to achieve durable remission. The researchers engineered bispecific chimeric autoantibody receptor (CAAR) T cells co-expressing extracellular domains of AChRα1 and β1 to selectively target and eliminate autoreactive B cells producing anti-AChR antibodies. In MG models, these CAAR-T cells demonstrated selective elimination of pathogenic B cells, offering a promising precision cell therapy approach.
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Hannah V Meyer(Simons Center for Quantitative Biology, Cold Spring Harbor L)|2026 Aug 21|PMID: 42616902
This study addressed how central T cell tolerance generalizes to peripheral self-peptides when individual T cells encounter only a small fraction of all self-peptides during thymic training. The authors showed that the immune system satisfies two conditions analogous to generalization in machine learning, such that sparse, random sampling of only about 10% of self-peptides in the thymus is sufficient to prevent peripheral autoimmunity. These findings provide a theoretical framework for understanding how broad self-tolerance is established from limited thymic peptide exposure.
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Jie Sun(Department of Urology, State Key Laboratory of Virology and )|2026 Aug 21|PMID: 42616895
HMGCS1, a cholesterol biosynthesis precursor enzyme, was found to be highly induced by inflammatory cytokines and preferentially expressed in pathogenic TH17 cells both in vitro and in vivo. HMGCS1 specifically drove pathogenic TH17 cell differentiation and exacerbated autoimmune diseases while having no discernible effect on non-pathogenic TH17 cells. This study reveals an unconventional role for HMGCS1 beyond cholesterol biosynthesis in driving pathogenic TH17 immunity and autoimmune pathology.
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Junying Wang(Lineberger Comprehensive Cancer Center, University of North )|2026 Aug 21|PMID: 42616872
TGF-β suppresses T cell function to maintain immune tolerance, but gaps remain in understanding its signaling mechanisms. This study identified a SKI-dependent mechanism whereby SKI protein is upregulated in activated T cells and downregulated by TGF-β, revealing a reciprocal regulatory relationship. T cell-specific SKI deficiency enhanced TGF-β-mediated suppression, demonstrating SKI's critical role in controlling T cell function and autoimmunity.
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Mohammad Amin Sadeghi(Department of Anesthesiology, Perioperative and Pain Medicin)|2026 Aug 19|PMID: 42616844
This commentary highlights a study by Stanley et al. demonstrating that cfDNA fragmentomics analysis of routine prenatal screening data can identify adverse pregnancy outcomes in patients with immune-mediated disease. The piece discusses the potential of cfDNA fragmentomics as an early warning system for pregnancy complications in this high-risk population.
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Kate E Stanley(Laboratory for Cytogenetics and Genome Research, Department )|2026 Aug 19|PMID: 42616843
Pregnancy complications contribute substantially to maternal and fetal morbidity and mortality, but clinical risk factors are poor early predictors. This study analyzed first-trimester cfDNA fragmentomics from 1910 high-risk pregnant individuals with immune-mediated diseases to evaluate its utility in predicting adverse pregnancy outcomes (APO). The findings suggest that cfDNA fragmentomics is a promising biomarker for early prenatal risk stratification.
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Nicholas W Sugiarto(Center for Data Sciences, Brigham and Women's Hospital and H)|2026 Aug 19|PMID: 42616839
Lupus nephritis (LN), a severe manifestation of SLE, is a heterogeneous disease involving diverse immune and tissue cell types. This population-scale study generated over 538,000 single-cell and single-nuclear profiles from kidney biopsies of 155 LN patients and controls, along with blood profiles, to characterize key stromal and immune cell states. The analysis distinguished tissue-specific cell states from those shared with blood and associated them with LN pathological features.
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Sahand Karimzadhagh(Celiac Disease and Gluten Related Disorders Research Center,)|2026 Aug 18|PMID: 42612883
This systematic review and meta-analysis updated global prevalence estimates of celiac disease (CeD) in the general population, incorporating studies up to April 2024. Diagnostic methods, particularly the use of tissue transglutaminase antibodies with or without biopsy confirmation, were found to significantly influence detection rates. The study provides the most comprehensive characterization of global CeD burden and clinical features in nearly eight years.
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Vu L Tran(St. Giles Laboratory of Human Genetics of Infectious Disease)|2026 Aug 25|PMID: 42607207
In three cohorts totaling 245 confirmed Chikungunya virus cases, autoantibodies neutralizing type I interferons were detected in 35% of the 20 patients with central nervous system involvement including encephalitis, myelitis, or encephalomyelitis. These autoantibodies were entirely absent in patients without CNS infection. The findings indicate that pre-existing autoantibodies against type I interferons underlie approximately one-third of severe neurological complications from Chikungunya virus infection.
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Lianyuan Tao(Center for Metabolic and Liver Diseases, Sanford Burnham Pre)|2026 Aug 18|PMID: 42579490
Primary sclerosing cholangitis (PSC) is a severe liver disease that can progress to cholangiocarcinoma, but its pathogenic origin remains poorly understood. The authors developed a mouse model combining two suspected environmental risk factors, hepatocyte-intrinsic ER stress and oxidative stress, which leads to NRF2 activation in both hepatocytes and cholangiocytes and recapitulates PSC features. This model provides new mechanistic insights and therapeutic implications for targeting the NRF2 pathway in PSC.
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🟡 アレルギー Allergy 2 papers
Radomir Kratchmarov(Division of Allergy and Clinical Immunology, Department of M)|2026 Aug 20|PMID: 42624912
Using a mouse model of long-term pulmonary allergen exposure, the study characterized the TH2 landscape in chronic type 2 inflammation. A TCF1-expressing progenitor-like TH2 population was found to expand and was sufficient in vivo to both initiate and sustain type 2 inflammation. These findings identify progenitor TH2 cells as a key cellular driver of durable chronic pulmonary type 2 inflammation.
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Isabella M Salamone(Department of Human Genetics, University of Chicago, Chicago)|2026 Aug 20|PMID: 42580338
GWAS variants are thought to largely act as indirect regulators of a limited set of central disease-driving genes, termed disease-proximal genes (DPGs). The authors introduce DANDELION, a mediation-inspired statistical framework that prioritizes DPGs by integrating trans-regulatory effects from disease-relevant tissues with gene-level burden from whole-exome sequencing. Applying DANDELION to asthma identified key disease-driving genes, offering a new approach to deciphering complex disease etiology.
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🩵 ワクチン Vaccines 2 papers
Yuting Duan(Evidence-based Medicine Centre, The Affiliated Traditional C)|2026 Aug 20|PMID: 42623954
The growing number of vaccine clinical studies lacks specific reporting guidelines, as existing frameworks like CONSORT and STROBE do not address vaccine-specific items such as immunogenicity, efficacy, effectiveness, reactogenicity, and safety. Using the EQUATOR Network methodology, the authors developed the VALUE checklist, a dedicated reporting guideline for vaccine clinical studies. This guideline aims to improve transparency, completeness, and reproducibility in vaccine research reporting.
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Siyu Chen(Department of Public and Ecosystem Health, College of Veteri)|2026 Aug 18|PMID: 42613442
This study assembled a multiscale vaccination database spanning over 50,000 schools and 13,000 districts across 45 US states to reveal fine-scale susceptibility clustering where measles outbreaks originate. More than 3,500 measles cases in 2025-2026 have placed the US elimination status declared in 2000 under formal review. Vaccine hesitancy amplified by COVID-19 disruption and misinformation has critically eroded the immunological buffers sustaining measles elimination.
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🌿 腸内環境・マイクロバイオーム Gut 7 papers
Tsegaye Sewunet(Division of Clinical Microbiology, Department of Laboratory )|2026 Aug 20|PMID: 42624857
Glasmacinal (EP395) is an oral macrolide with immunomodulatory but negligible antimicrobial activity, being developed to reduce exacerbations in respiratory conditions. In an open-label trial in healthy adults, fecal samples were analyzed by 16S rRNA sequencing and phenotypic methods to assess the impact of two weeks of daily dosing on the gut microbiota. The study aimed to determine whether glasmacinal, unlike antibiotic macrolides, spares the gut microbiome while retaining anti-inflammatory properties.
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Andrei L Kleschyov(Department of Physiology and Pharmacology, Karolinska Instit)|2026 Aug 19|PMID: 42617596
Gut bacteria were found to convert inorganic nitrate and non-heme iron into mobile bioactive dinitrosyl iron complexes (DNICs) that distribute systemically and affect host metabolism. Electron paramagnetic resonance detected DNICs in tissues of conventional but not germ-free mice, and a nitrate-reductase-deficient E. coli mutant failed to generate DNICs. Dietary supplementation with nitrate and iron citrate or synthetic DNICs conferred cardiometabolic benefits, revealing a novel microbiota-host signaling pathway.
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Annalisa Buck(Department of Surgery, TUM University Hospital Klinikum rech)|2026 Aug 18|PMID: 42612881
This study identified WISP1, a WNT1-inducible signaling protein, as a key driver of intestinal fibrosis in Crohn's disease by promoting fibroblast activation through Rho/ROCK/MRTF-mediated cytoskeletal remodeling and metabolic reprogramming. Bulk RNA-sequencing, spatial transcriptomics, and lipidomics of matched fibrotic and non-fibrotic ileal tissue from CD patients revealed elevated WISP1 expression in fibrotic regions. These findings establish WISP1 as a novel therapeutic target for stricturing Crohn's disease.
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Juyeon Park(Department of Chemical Engineering, The University of Texas )|2026 Aug 25|PMID: 42607213
Serum LC-MS/MS proteomics was used to characterize the clonal composition of monomeric and dimeric IgA responses against human norovirus. More than 80% of antigen-specific monomeric IgA was also detectable as dimeric IgA, and modest clonal overlap was observed between circulating IgG and IgA at steady state. These findings illuminate the molecular architecture of serum IgA immunity to norovirus.
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Lauren E Lynch(Division of Gastroenterology, Hepatology and Nutrition, Depa)|2026 Aug 18|PMID: 42579494
Malnutrition increases intestinal permeability and sepsis risk, but the underlying mechanisms remain poorly understood. Using germ-free and specific pathogen-free mouse models fed a low-protein, low-fat diet, the study found that the microbiota-derived metabolite isovalerate ameliorates sex-specific gut barrier dysfunction induced by malnutrition. These findings highlight a critical role for the gut microbiome and its metabolites in maintaining intestinal barrier integrity in malnourished hosts.
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Ruxiao Yang-Fischer(Department of Microbiology and Immunology, Columbia Universi)|2026 Aug 20|PMID: 42624111
This study identifies lnc15, a conserved long noncoding RNA encoded by an established IBD risk locus, whose structure is destabilized by risk-associated variants leading to its degradation. Deletion of lnc15 in mice results in inflammatory molecular signatures at steady state and heightened susceptibility to experimental colitis. Lnc15 is abundantly expressed in T cells and suppresses the transcription factor T-BET to limit intestinal inflammation, linking genetic risk variants to T cell-mediated gut inflammation.
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Zachary M Earley(Howard Hughes Medical Institute and Department of Microbiolo)|2026 Aug 17|PMID: 42607677
G-protein coupled receptor signaling through the heterotrimeric subunit Gα13 and its effector Arhgef1 is essential for the homeostasis of intestinal intraepithelial lymphocytes (IELs), as deficiency leads to intestine-specific loss of all CD8+ TCRαβ and TCRγδ IEL populations. Gα13-deficient IELs showed restricted intraepithelial movement and impaired maturation, suggesting that Gα13-mediated migration to cytokine-rich niches supports IEL survival. Notably, induction of intestinal CD8αβ+ tissue-resident memory T cells following infection remained intact in the absence of Gα13, indicating a selective role for this signaling pathway in IEL homeostasis rather than infection-driven recruitment.
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🧠 神経免疫 Neuroimmunology 3 papers
F Chris Bennett(Department of Psychiatry, Perelman School of Medicine, Unive)|2026 Aug 20|PMID: 42624075
This review reframes neurodegeneration as a breakdown of crosstalk between the nervous and immune systems rather than solely a neuronal disorder. Immune cells are shown to act as active sentinels that shape neuronal resilience, vulnerability, and repair throughout life rather than being passive responders. The authors present a model in which complex neural-immune network interactions drive neurodegeneration, positioning the immune system as both a sensor and driver of disease.
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Jang Hyun Park(Brain Immunology and Glia (BIG) Center, Washington Universit)|2026 Aug 19|PMID: 42618784
While channels between the skull and dura mater are known to facilitate exchange of cerebrospinal fluid and immune cells, the role of skull bone marrow in antigen-specific adaptive immune responses to CNS antigens remained unclear. This study characterized the functional role of skull lymphoid structures in CNS immunosurveillance, revealing their contribution to adaptive immune monitoring of the central nervous system. These findings advance understanding of how the peripheral adaptive immune system surveys the CNS through skull-associated immune niches.
PubMed →
Jade Harkin(Department of Pharmacology and Toxicology, Indiana Universit)|2026 Aug 25|PMID: 42616788
This study established a human pluripotent stem cell-derived triculture system incorporating microglia, astrocytes, and retinal ganglion cells (RGCs) to investigate microglial regulation of RGC health in neuroinflammation. The platform models optic neuropathies such as glaucoma, where progressive RGC degeneration leads to irreversible vision loss. This system provides a novel human-relevant in vitro tool to elucidate the mechanisms by which microglia modulate RGC disease progression.
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🔥 代謝免疫 Immunometabolism 2 papers
Jonathan Bertram(Charité - Universitätsmedizin Berlin, Corporate Member of Fr)|2026 Aug 21|PMID: 42616886
In a study of 92 twins, switching isocalorically from a low-fat diet to a Western high-fat diet for 6 weeks increased total, LDL, and HDL cholesterol without raising triglycerides, and induced transient moderate increases in insulin resistance and some inflammatory markers at 1 week that subsequently resolved. Adipose tissue transcriptomic profiling revealed broad reprogramming including ectopic olfactory receptor responses. These findings demonstrate that Western diet can trigger significant metabolic and transcriptomic changes independently of obesity.
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Fawaz Alzaid(Institut Necker Enfants Malades (INEM), INSERM U1151, CNRS U)|2026 Aug 20|PMID: 42624110
This review examines the mechanisms by which obesity drives metabolic dysfunction and systemic inflammation to influence cancer susceptibility, progression, and response to therapy. It discusses how resident and recruited macrophages adapt to metabolic stress in adipose tissue and liver, and how obesity-driven myeloid reprogramming extends to systemic immune function. The authors propose a framework centered on conserved myeloid cell roles at the intersection of metabolic inflammation and tumor immunity, highlighting potential therapeutic targets in obesity-associated cancers.
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⚪ その他 Other 2 papers
Catherine Offord()|2026 Aug 20|PMID: 42623471
This news piece reports on scientific controversy surrounding an unexpected finding of lymphatic vessels within bone, which prompted challenges from multiple researchers and a last-minute delay in publication by a prominent journal. Conflicting data have fueled a dispute about the validity of this anatomical discovery. The episode highlights tensions between novel findings, peer scrutiny, and the publication process.
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Hongtu Hu(Department of Nephrology, Chongqing Key Laboratory of Preven)|2026 Aug 15|PMID: 42603515
This review organizes acute kidney injury (AKI) pathophysiology into four interconnected dimensions: initiation and effector injury, cell fate and immune microenvironment, repair and outcome determination, and systemic integration, encompassing processes from oxidative injury and regulated cell death to fibrosis and organ crosstalk. The authors translate these hallmarks into measurable phenotypes to enable precision phenotyping beyond creatinine and urine output. A framework for phase-adapted therapy informed by molecular endotypes is proposed to advance personalized AKI management.
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📄 Abstract未掲載 15 papers
Karen O'Leary()|2026 Aug 20|PMID: 42625064
Abstract not available
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Rachel Fieldhouse()|2026 Aug 20|PMID: 42625040
Abstract not available
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Holm H Uhlig(Centre for Human Genetics, Nuffield Department of Medicine, )|2026 Aug 20|PMID: 42624913
Abstract not available
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()|2026 Aug 19|PMID: 42618636
Abstract not available
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Katherine Bourzac()|2026 Aug 19|PMID: 42618621
Abstract not available
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()|2026 Aug 19|PMID: 42618612
Abstract not available
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()|2026 Aug 18|PMID: 42613463
Abstract not available
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Ruth R Montgomery(Yale School of Medicine, New Haven, CT, USA. Ruth.Montgomery)|2026 Aug 18|PMID: 42613460
Abstract not available
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Jostein H Ibsen(Norwegian Coeliac Disease Research Centre, University of Osl)|2026 Aug 18|PMID: 42612884
Abstract not available
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Xinhui Ni(Shanghai Frontiers Science Center of Genome Editing and Cell)|2026 Aug 17|PMID: 42608477
Abstract not available
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Purbita Bandopadhyay(Center for Immunology, Department of Laboratory Medicine and)|2026 Aug 17|PMID: 42608476
Abstract not available
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Susan Westfall(Department of Microbiology and Immunology, McGill University)|2026 Aug 17|PMID: 42608474
Abstract not available
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Alexandra Noble(Translational Gastroenterology and Liver Unit, Nuffield Depa)|2026 Aug 17|PMID: 42607732
Abstract not available
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Welcome to KodaKoda's Weekly Immunology News, your go-to source for the latest and most exciting research coming out of the worlds of immunology and microbiology. I'm so glad you're here with me today because we have a truly packed episode. There is a lot of fascinating science to get through, so let's just dive right in. We're going to start with a paper that caught my eye immediately because it tackles a question that researchers have been wrestling with for a long time. Why does allergic inflammation in the lungs persist for so long without burning itself out? The paper is called Progenitor T cells drive chronic pulmonary type 2 inflammation, published on August 20th 2026 in Nature Immunology. The first author is Radomir Kratchmarov from the Division of Allergy and Clinical Immunology at Brigham and Women's Hospital, Harvard Medical School in Boston. So here's the core puzzle they were investigating. Type 2 inflammation, which is the kind of immune response that drives asthma and allergic lung disease, is coordinated by remarkably durable CD4 positive T helper 2 cells, which we call TH2 cells. But nobody really understood how these responses stay going for so long without the T cells burning out or becoming exhausted. To figure this out, the team built a mouse model of long-term pulmonary allergen exposure, basically giving mice repeated exposures to allergens over a long period of time to mimic what happens in chronic allergy. What they found was that type 2 inflammation was broadly sustained over time and there was an expanded population of cells expressing something called T cell factor 1, and these cells had a progenitor-like quality, meaning they could give rise to other cell types. In living mice, these lung TH2 progenitors were sufficient both to start and to maintain type 2 inflammation by coupling self-renewal with effector cell differentiation. In other words, these progenitor cells could make copies of themselves while also spinning off the functional cells that drive inflammation. They then used transcriptomic and spatial analysis, basically reading the gene activity of individual cells and figuring out where in the tissue those cells are sitting, to understand the full picture of chronic pulmonary TH2 responses. They found two key factors that keep the TH2 progenitors alive and well. One is interleukin-7 receptor signaling, and the other is the infiltration of B cells into the lung tissue in the context of what are called tertiary lymphoid structures, which are essentially little lymph node-like clusters that form in inflamed tissues. The data from this study define the TH2 progenitor as a distinct cellular state that arises during pathogenic chronic type 2 inflammation and plays a central role in sustaining TH2 responses over time. This is a really important finding because if we know what's keeping the fire burning, we have much better targets for treating persistent allergic lung disease. Alright, let's move to our next paper, which takes us in a very different direction. This one is about a new drug and its effects on the trillions of microorganisms living in your gut. The title is Impact of the anti-inflammatory macrolide glasmacinal on the gut microbiota of healthy adults, an open-label trial. It was published August 20th 2026 in Nature Communications, and the first author is Tsegaye Sewunet from the Division of Clinical Microbiology at the Department of Laboratory Medicine at Karolinska Institutet in Stockholm Sweden. So what is glasmacinal? It's an oral macrolide, which is a class of drugs that includes well-known antibiotics like azithromycin. But here's the really interesting thing. Glasmacinal has immunomodulatory properties like those antibiotics but has negligible antimicrobial activity in the lab, meaning it is not really designed to kill bacteria. It is being developed as a potential treatment to reduce exacerbations in respiratory conditions. The study was an open-label trial, where healthy participants took daily doses of glasmacinal for two weeks, and the researchers collected fecal samples to see what was happening to the gut microbiota. They used both phenotypic analysis and 16S ribosomal RNA gene sequencing, which is a standard tool for identifying and characterizing microbial communities, to evaluate the changes. What they found was that glasmacinal produced only modest effects. It reduced phylogenetic richness, which is a measure of how diverse the microbial community is in terms of evolutionary lineage, but it did not significantly affect evenness, which is how evenly distributed the different species are. It also altered beta-diversity, which is a measure of how different the microbial communities are between individuals or time points. The most affected bacterial families were Clostridiaceae, Enterobacteriaceae, and Sutterellaceae. The overall community shift was about ten percent after one week and dropped to around six percent after two weeks. When they looked at culture-based analysis, only Enterobacterales was impacted. Crucially, there was no increase in resistance to azithromycin in Enterobacterales and Bacteroides, no increase in Candida species, and no increase in Clostridioides difficile, which are all classic warning signs of antibiotic-induced gut disruption. The core anaerobic phyla of the gut, Firmicutes and Bacteroidetes, were preserved. The conclusion is that glasmacinal induced only limited restructuring of the gut microbiome, without the defining hallmarks of antibiotic-like dysbiosis. That is a meaningful distinction if this drug is ever to be used long-term in patients. Now we have a really exciting one from the world of precision immunotherapy. This paper is titled Bispecific chimeric autoantibody receptor T cells eliminate acetylcholine receptor-specific B cells in myasthenia gravis models, published August 20th 2026 in Nature Communications. The first author is Niels von Wardenburg from the Department of Neurology with Experimental Neurology at Charité Universitätsmedizin Berlin. Myasthenia gravis is an autoimmune neuromuscular disorder, and what happens is that the body produces autoantibodies that target the nicotinic acetylcholine receptor, or nAChR. These receptors are critically important at the neuromuscular junction, which is where nerve signals meet muscle. When the autoantibodies attack them, patients can develop severe muscle weakness and even life-threatening crises. Current therapies rely on broad immunosuppression and fail to achieve sustained remission in the majority of patients. So the researchers here developed a much more targeted approach. They engineered what they call AChR chimeric autoantibody receptor T cells, or CAAR T cells. The idea is brilliant in its logic. Rather than suppressing the whole immune system, you engineer T cells to specifically seek out and destroy the B cells that are producing the harmful anti-AChR autoantibodies. To do this, the T cells were co-transduced with CAARs that express extracellular domains of the AChR alpha-1 or beta-1 subunits. This means the engineered T cells essentially wear pieces of the acetylcholine receptor on their surface, which allows them to recognize and kill any B cell that is making antibodies against those receptor components. In testing, the AChR CAAR T cells selectively secreted effector cytokines upon activation and efficiently lysed target cells. In a xenograft mouse model, they depleted pathogenic B cell lines and reduced autoantibody levels both in the circulation and at the neuromuscular junction. These findings establish AChR CAAR T cells as a precision immunotherapy with the potential to achieve durable remission in refractory myasthenia gravis. This kind of antigen-specific targeting is really the future of autoimmune therapy. Next up is a paper that uses the human microbiome in a completely novel way to detect cancer. The title is Mouth-to-gut microbial transmission signatures enable robust non-invasive diagnosis of gastrointestinal cancers, published August 20th 2026 in Cell Host and Microbe. The first author is Lae-Guen Jang from the Department of Systems Biology at Yonsei University in Seoul South Korea. We know the human microbiome is spatially compartmentalized, meaning different communities of microbes live in different parts of the body. Your mouth and your gut have very different microbial populations under normal circumstances. But oral bacteria can sometimes ectopically colonize distal sites like the gut, and this may influence disease. The researchers analyzed paired oral and fecal microbiomes from 507 participants, including healthy controls and patients with metabolic disorders or gastrointestinal cancers. They developed a quantitative measure called the mouth-to-feces index, or MF index, which quantifies how much microbial transmission is happening from the mouth down to the gut. The MF index revealed elevated mouth-to-gut transmission in cancer patients, and there was a strong association with host metabolic and inflammatory indicators. Using the taxa, meaning the microbial groups, that are being transmitted between sites, the team developed a random forest classifier, which is a type of machine learning model, that accurately distinguished gastric and colorectal cancer from healthy controls across seven independent cohorts. Remarkably, the model even worked when trained solely on oral microbiome data, meaning you could potentially screen for gut cancers using just a saliva sample. When compared against the conventional fecal occult blood test, the MF-based model achieved markedly higher sensitivity. These findings uncover disease-specific transmission signatures and highlight MF microbial profiling as a non-invasive framework for gastrointestinal cancer diagnosis and risk stratification. This could genuinely change how we approach early cancer detection. Let's keep the momentum going with a big picture perspective piece from Cell. This one is titled Neurodegeneration as a dysregulation of neuroimmune crosstalk, published August 20th 2026. The first author is F Chris Bennett from the Department of Psychiatry at the Perelman School of Medicine at the University of Pennsylvania, and also the Division of Neurology at Children's Hospital of Philadelphia. This paper is a perspective, meaning it synthesizes a wide body of existing research rather than presenting new experimental data, but the argument it makes is profound. The central thesis is that neurodegeneration, which includes diseases like Alzheimer's and Parkinson's, should no longer be understood solely as a problem of neurons dying. Instead, it is increasingly recognized as a breakdown of the dialogue between the nervous and immune systems. Immune cells and inflammatory signals are deeply interwoven with brain function across the lifespan. Far from passive responders, immune cells act as sentinels and shapers of neuronal resilience, vulnerability, and repair. The authors argue that neurodegeneration emerges from complex interactions between neural and immune networks, positioning the immune system as both a sensor and driver of brain health. What is especially exciting is the therapeutic angle. By restoring immune homeostasis, fine-tuning inflammatory responses, or targeting epigenetic regulators of the immune state, it may be possible not only to slow degeneration but also to promote recovery. The authors outline key challenges and opportunities for this paradigm shift and highlight how a deeper integration of neuroscience and immunology could transform the future of treating neurodegenerative diseases. As someone covering immunology weekly, I find it deeply exciting that the immune system is increasingly being seen as central to conditions that we never used to think of as immune-related. Now here is a short but very dense and interesting piece from Cell. It's titled Cuproptosis enters the cancer-immunity circuit, published August 20th 2026. The first author is Yunhao Gao from the National Cancer Center and the Chinese Academy of Medical Sciences and Peking Union Medical College in Beijing. This is a commentary piece highlighting findings published in the same issue of Cell by Lei and colleagues. Cuproptosis is a form of cell death driven by copper accumulation inside cells, and it has been getting a lot of attention as a potential way to kill tumor cells. What Lei et al found, and what Gao's commentary explains, is a fascinating reciprocal circuit. Cuproptotic tumor cells promote dendritic cell activation and CD8 positive T cell priming, meaning when tumor cells die by cuproptosis they alert and activate the immune system. And in return, T cell-derived interferon-gamma, or IFN-gamma, sensitizes tumor cells to FDX1-dependent cuproptosis, meaning the immune response makes the tumor cells even more vulnerable to this copper-driven death. This self-reinforcing interaction provides a mechanistic rationale for combining cuproptosis induction with PD-L1 blockade to overcome immunotherapy resistance. This is the kind of positive feedback loop that researchers dream about in cancer immunotherapy. Let me now turn to a methodological contribution that is going to matter a lot for how we evaluate vaccine research going forward. The paper is titled The VAccine cLinical study reporting gUidEline, the VALUE checklist with explanation and elaboration, published August 20th 2026 in EBioMedicine. The first author is Yuting Duan from the Evidence-based Medicine Centre at Guangzhou Medical University and the Chinese EQUATOR Centre at Hong Kong Baptist University. The number of clinical vaccine studies published each year is large and increasing as vaccinology and biotechnology advance. Existing reporting guidelines like CONSORT for randomized clinical trials and STROBE for observational studies do not address vaccine-specific items that should be included in vaccine study reports. This matters because immunogenicity, efficacy, effectiveness, reactogenicity, and safety are all characteristics that need to be reported in a consistent and thorough way. Using the EQUATOR Network's guidance for developers of health research reporting guidelines, the team established a core working group that conducted a systematic literature review and developed an initial list of reporting elements for vaccine studies. A 42-member Delphi expert group composed of clinical vaccine researchers, methodologists, medical journal editors, and other experts then provided comments and suggestions through two rounds of Delphi surveys. The result is a final 22-item checklist across 15 domains, including 9 dedicated vaccine-specific reporting items. The checklist is called VALUE, which stands for VAccine cLinical trial reporting gUidEline, and it aims to provide a minimum set of vaccine-specific reporting items for experimental and observational clinical studies that evaluate vaccine characteristics. It complements CONSORT and STROBE by filling the gap they left. This kind of standardization work is unglamorous but genuinely important for the reliability of the scientific literature. Next up is a brief news item from Science, but one that is scientifically and editorially significant. The piece is titled Scientists challenge unexpected finding of lymphatic vessels in bone, published August 20th 2026 in Science, written by Catherine Offord. It describes conflicting data that prompted a dispute and even a last-minute publication delay in a prominent journal. No abstract was provided but the premise is striking: a recent claim that lymphatic vessels exist inside bone has apparently generated enough scientific controversy to cause a journal to pause a planned publication. We'll keep an eye on how this one develops. Now let's get into a really cool paper about neutrophils. The title is RAD51 stabilizes neutrophil extracellular traps to compartmentalize inflammation, published August 20th 2026 in Science. The first author is Lorenza Iolanda Tsansizi from the Antimicrobial Defence Laboratory at The Francis Crick Institute in London. Neutrophil extracellular traps, or NETs, are web-like structures made of chromatin that neutrophils release to trap and kill pathogens. But their branched architecture has been puzzling, because nobody really knew how that branching was generated or what it was for. This study found that NET branching is mediated by RAD51, a protein that normally generates DNA junctions during DNA recombination repair. It is a remarkable example of a protein being repurposed in a totally unexpected context. Pharmacological inhibition of RAD51, as well as RAD51 knockdown, or treatment with GEN1 and RuvC resolvases, which are enzymes that cut DNA junctions, all reduced branching and destabilized NETs. Conversely, RAD51 upregulation generated NETs with variable stability. To test what this means during infection, the researchers inhibited RAD51 during murine pulmonary Aspergillus fumigatus infection, a fungal infection that can be dangerous especially in immunocompromised patients. Dismantling NETs this way reduced lung cytokines, which sounds potentially beneficial, but there was a catch. The increased accumulation of NET components in the circulation led to interleukin-6 induction in circulating monocytes, which exacerbated type 2 inflammation and asthma. In human aspergillosis patients, extracellular plasma DNA correlated with IL-6 and eotaxin. The conclusion is that by structurally stabilizing NETs, RAD51 compartmentalizes inflammation locally in order to prevent aberrant systemic immune activation. This elegantly links DNA repair biology to innate immune function and inflammatory disease. Here is a beautiful piece of fundamental neuroscience-meets-immunology work. The paper is titled Functional role of skull lymphoid structures in CNS immunosurveillance, published August 19th 2026 in Nature. The first author is Jang Hyun Park from the Brain Immunology and Glia Center at Washington University in St Louis. We have known for a while now that the central nervous system is not completely isolated from the peripheral immune system, but the mechanisms of CNS immunosurveillance have remained incompletely understood. Recent findings showed that channels between the skull and the dura mater facilitate the exchange of cerebrospinal fluid and immune cells between the CNS and skull bone marrow in mice. Skull bone marrow was already known to be a source of immune cells for the CNS, but its role in antigen-specific adaptive immune responses was unclear. This study identifies lymphoid structures within the skull bone marrow that feature germinal center-like formations and contain a distinct population of follicular-helper-like T cells that promote B cell activation and humoral immunity through CD40L, IL-21, and IFN-gamma signaling. These adaptive immune cells within the skull bone marrow lymphoid structures surveil and respond to CNS-derived antigens and contribute to anti-tumor immune responses in mouse brain cancer models. So your skull is not just a protective shell. It contains specialized immune structures that are actively monitoring and responding to what is happening in your brain. This is a paradigm-shifting finding for neuroimmunology. Moving along, we have a paper on highly pathogenic avian influenza and its effects on wild bird populations. The title is Avian influenza amplified age-related mortality in a long-lived seabird, published August 19th 2026 in Nature Communications. The first author is Wouter Courtens from the Research Institute for Nature and Forest in Brussels, Belgium. Using 28 years of ringing data along with individual-level data from the 2022 mass mortality event in northwestern European Sandwich terns, the researchers found something that had not been clearly documented before. Mortality from highly pathogenic avian influenza A H5N1 clade 2.3.4.4b was biased towards older individuals, while no sex bias was observed. HPAI-related mortality increased from approximately 5 to 10 percent in young breeders to more than 40 percent in the oldest individuals. This age-biased loss likely removed the most experienced individuals from the population, which could have serious consequences for population resilience since experience matters enormously in long-lived species. The findings highlight a previously underappreciated mechanism through which HPAI outbreaks may impair the long-term survival of long-lived avian populations, and given that H5N1 continues to spread globally, this has real conservation implications. Now here is one that connects to a topic that has been generating a lot of public interest lately: supercentenarians and the secrets of extreme longevity. The paper is titled CD4 CTLs in supercentenarians, signs of adaptive expansion in healthy aging, published August 19th 2026 in Cell Reports. The first author is Kosuke Hashimoto from the Institute for Protein Research at The University of Osaka and RIKEN Center for Integrative Medical Sciences in Yokohama. A previous study had identified CD4 cytotoxic T lymphocytes, or CD4 CTLs, as a hallmark of supercentenarians, meaning people aged 110 and above. CD4 CTLs have primarily been studied in disease contexts, but their role in healthy aging was unclear. Using single-cell immune profiling of T cells from supercentenarians, the researchers found that CD4 CTLs begin to expand around the age of 100, characterized by sequential CD27 and CD28 loss without exhaustion. That is important: they are differentiating and becoming more specialized, but they are not burning out. These CD4 CTLs were dominated by large clones, with top clones averaging 33.3 percent, indicating repeated stimulation by persistent antigens. Furthermore, CDR3 beta sequences of the top clones matched those of T cells expanded in tumors, particularly lung cancer, suggesting these cells may be targeting cancerous cells. Ex vivo stimulation experiments revealed that CD4 CTLs consist of subgroups defined by interleukin expression patterns, suggesting their plasticity within the same clone. The findings suggest that CD4 CTLs expand and diversify as an adaptation to persistent antigens, potentially contributing to longevity through cancer suppression. So one of the secrets to living past 110 might be a specialized population of T cells that quietly keeps cancer in check over decades. Let's talk about gut bacteria and heart health. The paper is titled Gut microbiota generate dinitrosyl iron complexes with cardiometabolic benefits, published August 19th 2026 in Cell. The first author is Andrei L Kleschyov from the Department of Physiology and Pharmacology at Karolinska Institutet in Stockholm. We know gut bacteria affect host physiology in all kinds of ways, but the mechanisms are not always understood. This study identifies a really novel pathway. Gut microbes can convert inorganic nitrate and non-heme iron into mobile bioactive dinitrosyl iron complexes, abbreviated as DNICs, which are then distributed systemically and affect host metabolism. The researchers used electron paramagnetic resonance to detect DNICs in tissues of conventional but not germ-free mice, confirming that the gut microbiome is essential for their production. Mouse and human feces as well as E. coli generated DNICs from nitrate and iron citrate, while a nitrate-reductase-deficient mutant did not, pinpointing the mechanism. Dietary supplementation with nitrate plus iron citrate or with synthetic DNICs increased tissue DNIC levels and ameliorated cardiometabolic dysfunction in mice fed a Western diet. In HepG2 cells and human hepatocyte spheroids, DNICs reduced fatty acid-induced steatosis, which is fat accumulation in the liver. Interestingly, DNIC bioactivity is mediated by the iron-nitric oxide entity rather than by free nitric oxide itself, and the mechanism involves activation of soluble guanylyl cyclase, inhibition of leucine uptake, and normalization of mTORC1 signaling. Modulating DNIC formation by the gut microbiota could be a strategy to support cardiometabolic health, and this finding opens up a genuinely new way of thinking about how diet, microbes, and metabolism interact. Next we have a very innovative paper from the field of cancer immunotherapy. The title is Synthetic transcription factors designed by domain recombination enhance CAR T cell antitumor function, published August 19th 2026 in Cell. The first author is Oliver Takacsi-Nagy from the Department of Pathology and the Center for Immunotherapy Design at Stanford University. Human protein-coding genes evolved via rearrangement of domains from ancestral genes, and this team took inspiration from that evolutionary process to develop a scalable method to assemble novel genes from constituent domains within a protein family. They call this DESynR, which stands for domain engineered via synthesis and recombination. In primary human T cells, DESynR activator protein-1, or AP-1, transcription factors significantly outperformed natural AP-1 transcription factors across both in vitro and in vivo antitumor assays. These DESynR AP-1 transcription factors induced broad transcriptional and epigenetic reprogramming and established non-natural T cell states that optimized features of exhaustion resistance, effector function, cytotoxic function, and persistence, sometimes co-opting gene modules from completely different cell types. The reprogramming was primarily driven by differential regulation of established AP-1-bound regulatory elements rather than unique binding sites. The researchers also screened DESynR erythroblast transformation-specific and forkhead box transcription factors to show generalizability across protein families. Overall, this work demonstrates that reconfiguring existing protein domains may uncover non-evolved genes that program therapeutically relevant cell states, which is a powerful new tool for engineering better CAR T cells. Now let's talk about a paper with important implications for antiviral vaccines. The title is RNA structures regulate norovirus life cycle and enable rational attenuation in vivo, published August 19th 2026 in Cell. The first author is Tanja Hann from the Department of Molecular Biophysics and Biochemistry at Yale University. Norovirus is one of the most common causes of acute gastroenteritis worldwide, and despite this there is no approved vaccine. Viral genomes encode regulatory RNA structures that orchestrate key steps of viral replication and gene expression. This team systematically mapped and functionally interrogated structured RNA elements across the murine norovirus genome using orthogonal in-cell chemical probing, revealing conserved motifs that regulate viral function. When they disrupted specific structural elements, viral replication was reduced in cell culture, translation was modulated in what they describe as cis, meaning locally along the same RNA molecule, and viral RNA levels decreased in animal infection models. Building on these findings, the team rationally designed a genetically stable, attenuated virus, meaning a weakened version that can still be recognized by the immune system. This attenuated virus elicited protective immunity and limited viral replication upon secondary challenge. The work uncovers essential roles for RNA structure in norovirus biology and establishes a generalizable framework for RNA structure-guided design of antiviral vaccines and therapeutics. This is a landmark contribution for RNA virology. Let me now cover three more papers with abstracts before we wrap up with our no-abstract section. First, Mitochondrial profiling across macrophage states reveals inhibition of IL-4/IL-13 reprogramming by the integrated stress response, published August 21st 2026 in Science Advances. The first author is Joan Blanco-Fernandez from the Department of Immunobiology at the University of Lausanne. This paper investigates the role of mitochondria in macrophage reprogramming. Macrophages can shift their function dramatically depending on what signals they receive from the environment, and this study integrates transcriptomics with whole-cell and purified mitochondrial proteomics to profile macrophages stimulated by either LPS and interferon-gamma, which drives inflammatory activation, or by interleukin-4 and IL-13, which drives an alternative anti-inflammatory state. The researchers reveal a notable disconnect between mitochondrial transcript and protein levels following either stimulus. In IL-4 and IL-13 macrophages, there is a STAT6-dependent increase in mitochondrial DNA expression and intramitochondrial translation. Inhibition of ATP synthase uniquely triggers a heme-regulated inhibitor-dependent integrated stress response through mitochondrial hyperpolarization, which prevents IL-4 and IL-13 reprogramming. Restoring mitochondrial membrane potential or inhibiting the integrated stress response rescues IL-4 and IL-13 mediated reprogramming. The key takeaway is that mitochondrial DNA expression, intramitochondrial translation, and mitochondrial membrane potential are critical, drug-sensitive determinants of how macrophages respond to IL-4 and IL-13 signals. Second from Science Advances, published August 21st 2026, is Central T cell tolerance from sparse peptide sampling, with first author Hannah V Meyer from the Simons Center for Quantitative Biology at Cold Spring Harbor Laboratory. This paper addresses a beautifully fundamental question about how the immune system avoids attacking the body's own tissues. Negative selection in the thymus limits autoimmunity by eliminating T cells that react strongly to self-antigens. But individual T cells are only exposed to a small fraction of all self-peptides during their training in the thymus. How does tolerance then generalize to the remaining self-peptides found in peripheral tissues throughout the body? The researchers show that this generalization can be achieved because the immune system satisfies two conditions necessary for generalization in machine learning settings. Consequently, sparse, random sampling of only 10 percent of self-peptides in the thymus is sufficient to avoid reactivity to 90 percent of peripheral self-peptides. They support this result and validate predictions from their model with diverse experimental data. This provides a plausible quantitative answer to a long-standing question underlying adaptive immunity, and it elegantly connects immunology to the mathematics of learning algorithms. Our last paper with a full abstract is partially listed, titled Unconventional role of hydroxymethylglutaryl-CoA synthase 1 in driving pathogenic TH17 cell immunity and autoimmune diseases, from Science Advances published August 21st 2026. The first author is Jie Sun from the Department of Urology and State Key Laboratory of Virology and Biosafety at a research institute in China, though the full institutional information was truncated in our source. The title alone signals something important: this is about an enzyme in the cholesterol synthesis pathway, specifically hydroxymethylglutaryl-CoA synthase 1, playing an unexpected role in driving the TH17 cells that are central to many autoimmune conditions. We will bring you the full details on this one as more information becomes available. And now, before we close out, let's quickly run through the papers we know about that do not have abstracts yet but are absolutely worth your attention. From Nature Medicine, there's a paper by Karen O'Leary on intercepting pancreatic cancer with a vaccine, and another piece examining how county-level surveillance failed to detect that measles transmission had reached epidemic thresholds in schools, which has serious public health implications. From Nature, Rachel Fieldhouse has a piece on Moderna's cancer vaccine stopping melanoma from returning and what that means for personalized treatments. And there is another Nature piece by Katherine Bourzac asking how people live beyond 110, with the answer pointing to an abundance of cancer-killing cells, which ties in nicely with the supercentenarian paper we discussed earlier. There is also an untitled Nature piece about how a virus deploys what they describe as a loose cannon enzyme to overpower bacterial defences, which sounds like it could be a fascinating piece of phage biology. From Nature Immunology, there are several pieces worth noting. There is a paper by Holm Uhlig from the Centre for Human Genetics at the University of Oxford on regulatory CD8 positive T lymphocytes controlling intestinal inflammation, which is a significant topic in mucosal immunology. There is also a piece on antigen-sampling gut cells moonlighting as organizers of immune defense, and a paper by Ruth Montgomery from Yale School of Medicine titled From data to discovery, a unified framework for human immunology, which sounds like an important integrative resource for the field. There are also two commentary pieces in Nature Immunology, one by Purbita Bandopadhyay from the University of Minnesota on AXL positive DC3s and Notch signaling, and one by Susan Westfall from McGill University on NOD2 signaling in the endothelium for gut immunity. And there is an author correction from Xinhui Ni at East China Normal University on IL-17D-induced inhibition of DDX5 expression in keratinocytes. From Gastroenterology, there is a paper by Jostein Ibsen from the Norwegian Coeliac Disease Research Centre on targeted serum proteomics revealing profiles associated with gut pathology in celiac disease, and another study on specific epigenetic alterations that precede the diagnosis of inflammatory bowel disease in adults in Northern Europe. And finally from Nature Medicine, there is a piece on the px1 locus being linked to declining susceptibility to malaria drugs in Uganda, which is a very important finding for global infectious disease. That is a wrap on this week's episode of KodaKoda's Weekly Immunology News. What an incredible week it has been for the field. From progenitor T cells sustaining chronic allergic inflammation, to skull bone marrow acting as a sentinel for the brain, to gut microbes making molecules that protect the heart, the breadth and depth of immunology and microbiology research never ceases to amaze me. Thank you so much for listening, and I will see you next week with more of the latest from the frontlines of science.