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T細胞のメモリ.T細胞のメモリ. 定住記憶CD8T細胞は,保護的な先天性および適応性免疫反応を誘発する

Jason M Schenkel¹, Kathryn A Fraser¹, Lalit K Beura¹

¹Department of Microbiology, University of Minnesota Medical School, Minneapolis, MN 55455, USA. Center for Immunology, University of Minnesota Medical School, Minneapolis, MN 55455, USA.

Science (New York, N.Y.)

|August 30, 2014

まとめ

組織内定の記憶CD8T細胞 (T(RM細胞) は,ウイルス感染症に対するほぼ滅菌免疫を提供することができる. これらの細胞は,病原体への再暴露時に情報の流れを逆転させることで,急速な免疫反応を誘発する.

科学分野:

免疫学免疫学とは
ウイルス学ウイルス学ウイルス学
細胞生物学細胞生物学

背景:

病原体認識理論は,微生物の先天的な免疫検出と,その後のCD8 T細胞の指示を記述しています.
組織内定の記憶CD8T細胞 (T・RM細胞) は,一般的な感染部位に配置されています.

研究の目的:

抗ウイルス免疫におけるT (RM) 細胞の役割を調査する.
免疫反応における伝統的な情報フローを逆転させることができるかどうかを判断する.

主な方法:

研究はマウスモデルで行われました.
アンチゲン再敏感化は,女性の生殖性粘膜で実施されました.
T ((RM) 細胞によって誘発される免疫反応を分析した.

主要な成果:

CD8 ((+) T ((RM) 細胞は,抗原再敏感化時にサイトカインを分泌した.
これらのサイトカインは,迅速な局所的適応性および先天性免疫反応を誘発する.
関係のないウイルス感染症に対して,ほぼ滅菌する免疫が達成されました.

結論:

CD8 ((+) T ((RM) 細胞は,免疫情報の流れを逆転させることで,ほぼ滅菌する免疫を達成することができます.
T (RM) 細胞は,病原体信号を放大することによって,迅速に抗ウイルス状態を誘導します.
これは,強力な抗ウイルス防御を確立するための新しいメカニズムを強調しています.

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