V2EX helper t cell

Helper T Cell

Definition / 释义

辅助性T细胞:免疫系统中的一种T淋巴细胞,主要通过分泌细胞因子并与其他免疫细胞“协同沟通”,来帮助B细胞产生抗体、帮助细胞毒性T细胞发挥作用、并调控免疫反应强弱。最常见的一类通常指 CD4 T细胞(此外还可细分为Th1、Th2、Th17、Tfh等亚型)。

Pronunciation / 发音(IPA)

/hlpr ti sl/

Examples / 例句

Helper T cells help coordinate the immune response.
辅助性T细胞帮助协调免疫反应。

After recognizing an antigen, a helper T cell can release cytokines that activate B cells and strengthen the body’s defense against infection.
在识别抗原后,辅助性T细胞可释放细胞因子来激活B细胞,从而增强机体对感染的防御。

Etymology / 词源

helper 表示“帮助者”;T 来自 thymus(胸腺),因为T细胞与胸腺发育相关;cell 表示“细胞”。合起来字面意思就是“帮助性的T细胞”,强调其核心功能是“辅助与调控”,而不是直接杀伤靶细胞。

Related Words / 相关词

Literary Works / 文献与著作中的使用

  • Janeway’s Immunobiology(《简明免疫生物学》)
  • Cellular and Molecular Immunology(Abbas,常译《细胞与分子免疫学》)
  • The Immune System(Peter Parham,《免疫系统》)
  • Robbins & Cotran Pathologic Basis of Disease(《罗宾斯与科特兰病理学基础》)
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