V2EX transfection

Transfection

释义 Definition

转染:在细胞生物学中,指用非病毒方法把外源核酸(如 DNA、RNA)导入真核细胞,使其暂时或稳定表达相应基因的过程。(在某些语境下也可泛指把遗传物质引入细胞的操作。)

发音 Pronunciation (IPA)

/trnsfkn/

例句 Examples

Transfection can make cells produce a new protein.
转染可以让细胞产生一种新的蛋白质。

After optimizing the reagent-to-DNA ratio, the researchers achieved high transfection efficiency in human stem cells, enabling reliable gene expression analysis.
在优化试剂与 DNA 的比例后,研究人员在人体干细胞中获得了较高的转染效率,从而能够可靠地进行基因表达分析。

词源 Etymology

**trans-**(“跨越、转移”)+ -fection(与 infection 同源,源自拉丁语 facere “做、造成”相关词根的派生形式)。在现代生物学语境中,transfection 被用来表示“把遗传物质转入细胞并促成表达”的技术过程;之所以借用了与 infection 相似的构词形式,是因为早期概念上与“把东西引入细胞”这一过程有类比,但转染通常强调非病毒导入。

相关词 Related Words

文献与著作 Literary / Notable Works

  • Molecular Cloning: A Laboratory Manual(Sambrook & Russell):在分子克隆与细胞实验章节中频繁出现 transfection
  • Current Protocols in Molecular Biology:大量实验流程以 transfection 作为关键步骤术语。
  • Alberts 等《Molecular Biology of the Cell》(《细胞的分子生物学》):在基因表达与细胞实验方法相关部分出现该词。
  • 期刊论文(如 Nature MethodsNucleic Acids ResearchJournal of Biological Chemistry)中关于基因表达、报告基因实验、RNA 干扰等研究常使用 transfection
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