V2EX cd4

CD4

释义 Definition

CD4:一种存在于某些免疫细胞表面(尤其是辅助性T细胞)的蛋白标志物/受体,常用于免疫学研究与临床检测;在艾滋病(HIV)相关诊疗中,“CD4计数”常用来评估免疫功能强弱。
(注:在不同语境中也可指“CD4阳性细胞”等相关概念。)

发音 Pronunciation (IPA)

/si di fr/

例句 Examples

The doctor checked my CD4 count.
医生检查了我的 CD4 计数。

In HIV care, a falling CD4 level can signal a weakened immune system and a higher risk of opportunistic infections.
在 HIV 的治疗管理中,CD4 水平下降可能提示免疫系统变弱,并增加机会性感染的风险。

词源 Etymology

CD4 来自免疫学命名体系 CDCluster of Differentiation,“分化簇/分化抗原”)加上编号 4,表示在细胞表面抗原分类中被识别与编号的第 4 类标志物。

相关词 Related Words

文学与著作中的用例 Literary Works

  • **Randy Shilts, And the Band Played On**(《乐队继续演奏》):涉及艾滋病危机与相关医学信息,常出现如 CD4 计数等免疫指标的讨论语境。
  • **Siddhartha Mukherjee, The Emperor of All Maladies**(《万病之王》):在介绍现代医学与免疫学相关内容时,会出现包括免疫细胞标记(如 CD 系列)在内的术语语境。
  • 医学与公共卫生科普/教材(如 HIV 诊疗指南、免疫学入门教材):CD4 作为核心免疫指标与细胞标志物经常出现。
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