V2EX regulatory t cell

Regulatory T Cell

定义 (Definition)

调节性T细胞(常缩写为 Treg)是一类能抑制或调控免疫反应的T淋巴细胞,帮助维持免疫系统“不过度反应”,从而预防自身免疫病、控制炎症,并促进对自身与无害抗原的免疫耐受。(该术语在不同语境下也可能涉及不同亚型,如胸腺来源与外周诱导的Treg。)

发音 (Pronunciation, IPA)

/rjltri ti sl/

例句 (Examples)

Regulatory T cells help prevent the immune system from attacking the body’s own tissues.
调节性T细胞有助于防止免疫系统攻击人体自身组织。

In some cancers, an increase in regulatory T cells can dampen anti-tumor immunity and reduce the effectiveness of immunotherapy.
在某些癌症中,调节性T细胞增多会削弱抗肿瘤免疫反应,并降低免疫治疗的效果。

词源 (Etymology)

regulatory 来自 regulate(调节、管理),源于拉丁语词根与“规则/引导”相关的含义;T cell 中的 Tthymus(胸腺),因为这类淋巴细胞在胸腺中成熟;合起来 egulatory T cell 字面意思就是“具有调节作用的胸腺来源T细胞”。

相关词汇 (Related Words)

文学作品与著作例证 (Literary Works & Notable Mentions)

  • Janeway’s Immunobiology(《Janeway免疫生物学》)中对调节性T细胞与免疫耐受有系统性介绍
  • Cellular and Molecular Immunology(Abbas 等,《细胞与分子免疫学》)中讨论Treg在自身免疫、炎症与肿瘤中的作用
  • The Immune System(Peter Parham,《免疫系统》)中涉及T细胞亚群与免疫调控
  • 经典研究论文:Sakaguchi 等关于调节性T细胞在外周耐受中的作用(多篇发表于 NatureScience 等期刊的里程碑研究中常出现该术语)
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