V2EX granzyme

Granzyme

释义 Definition

颗粒酶:由细胞毒性T细胞(CTL)和自然杀伤细胞(NK细胞)释放的一类丝氨酸蛋白酶,常与穿孔素(perforin)协同进入靶细胞,触发细胞凋亡等程序性死亡,用于清除病毒感染细胞或肿瘤细胞。

发音 Pronunciation (IPA)

/rn.zam/

例句 Examples

Granzyme helps immune cells kill infected cells.
颗粒酶帮助免疫细胞杀死被感染的细胞。

Researchers found that granzyme B activates pathways that lead to apoptosis in target cells, strengthening the body’s defense against viruses and tumors.
研究人员发现,颗粒酶B会激活导致靶细胞凋亡的通路,从而增强机体对病毒和肿瘤的防御能力。

词源 Etymology

granzyme 是一个免疫学术语,通常解释为由 granule(颗粒) 与表示酶类概念的构词成分(与 enzyme “酶”相关)组合而来,字面含义接近“颗粒中的酶”。它指这类酶储存在免疫细胞的分泌颗粒中,释放后参与杀伤过程。

相关词 Related Words

文学/著作中的出现 Literary Works

该词更常见于免疫学教材与医学科普(而非小说文学)中,例如:

  • Janeway’s Immunobiology(《詹威免疫生物学》)
  • Cellular and Molecular Immunology(Abbas 等,《细胞与分子免疫学》)
  • The Immune System(Parham,《免疫系统》)
  • The Emperor of All Maladies(《众病之王》)中在讨论免疫与癌症机制时常涉及相关概念(不同版本用词详略可能有差异)
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