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日期:2024-04-21
T細胞(ティーさいぼう、T cell、T lymphocyte)とは、リンパ球の一種で、骨髄で産生された前駆細胞が胸腺での選択を経て分化成熟したもの。細胞表面に特徴的なT細胞受容体(T cell receptor;TCR)を有している。末梢血中のリンパ球の70〜80%を占める。名前の ......
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日期:2024-04-21
一、分類 1.細胞毒性T細胞(cytotoxic T cell):消滅受感染的細胞。這些細胞的功能就
像一個「殺手」或細胞毒素那樣,因為它們 ......
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日期:2024-04-20
The adaptive immune system, also known as the acquired immunity or, more rarely, as the specific immune system, is a subsystem of the overall immune system that is composed of highly specialized, systemic cells and processes that eliminate or prevent path...
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日期:2024-04-17
一旦受到抗原刺激,Th細胞就增殖和分化成作用性Th細胞(effector Th)和記憶Th(
memory Th)細胞。 活化Th細胞分泌細胞 ......
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日期:2024-04-20
Abstract Immunological tolerance to self requires naturally occurring regulatory T (T reg) cells. Yet how they stably control autoimmune T cells remains obscure. Here, we show that T reg cells can render self-reactive human CD8 + T cells anergic (i.e ......
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日期:2024-04-23
Resident memory T cells sound the alarm Immunological memory protects against reinfection. Resident memory T cells (T RM) are long-lived and remain in the tissues where they first encountered a pathogen (see the Perspective by Carbone and ......
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日期:2024-04-17
6 Pacific Northwest Diabetes Research Institute and University of Washington, Seattle, WA 98122, USA. 7 Diabetes Center for Research, University of North Carolina, Chapel Hill, NC 27599, USA...
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日期:2024-04-17
【ベストアンサー】CD4とCD8はT細胞の表面にある、受容体のことです。 CD4はマクロファージやB細胞が持つ、クラスⅡMHC分子と結合します。 CD8は自己の細胞(赤血球は除く)が持つ、クラスⅠMHC ......