V2EX mitogen

Mitogen

定义 Definition

mitogen(有丝分裂原/促分裂因子):指能刺激细胞进入细胞周期并引发细胞分裂(尤其是有丝分裂)的物质,常见于免疫学与细胞生物学中(例如某些植物凝集素或生长因子)。该词也可更广义指促进细胞增殖的信号分子。

发音 Pronunciation

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例句 Examples

A mitogen can trigger resting lymphocytes to divide.
有丝分裂原可以促使静止的淋巴细胞开始分裂。

Researchers used a mitogen to stimulate T cells, then measured cytokine production and proliferation over several days.
研究人员用有丝分裂原刺激 T 细胞,随后在数天内测量细胞因子产生与增殖情况。

词源 Etymology

来自 **mito-**(与“有丝分裂”相关,源自希腊语 mitos,意为“线/丝”,指染色体在分裂时呈丝状)+ -gen(“产生……的/引起……的”,源自希腊语 -genēs)。合起来字面意思是“引起有丝分裂的东西”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • 《Molecular Biology of the Cell》(Alberts 等):在细胞周期与细胞信号章节中讨论促细胞增殖的外源信号(包括 mitogens)的作用。
  • 《Janeway’s Immunobiology》:在淋巴细胞活化与实验免疫学相关内容中提及用 mitogen 进行免疫细胞刺激实验。
  • 《Kuby Immunology》:常在免疫细胞增殖、T/B 细胞激活及体外功能检测的语境中出现 mitogen 一词。
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