V2EX histone deacetylase

Histone Deacetylase

释义 Definition

组蛋白去乙酰化酶:一类酶,能从组蛋白(histone)上移除乙酰基(acetyl group),通常使染色质更紧密,从而降低相关基因的转录活性。常缩写为 HDAC。(在不同生物与不同家族成员中,功能与定位也会有差异。)

发音 Pronunciation (IPA)

/hston disitles/

例句 Examples

Histone deacetylase can affect how genes are turned on or off.
组蛋白去乙酰化酶会影响基因如何被开启或关闭。

In some cancers, abnormal histone deacetylase activity alters chromatin structure and disrupts normal patterns of gene expression, which is why HDAC inhibitors are studied as potential therapies.
在某些癌症中,异常的组蛋白去乙酰化酶活性会改变染色质结构并扰乱正常的基因表达模式,因此人们研究HDAC抑制剂作为潜在疗法。

词源 Etymology

该词由三部分构成:histone(组蛋白)+ de-(去除、反向)+ acetylase(与乙酰基相关的酶)。字面意思就是“把组蛋白上的乙酰基去掉的酶”。在分子生物学与表观遗传学兴起后,这个术语在科研与医学语境中被广泛使用。

相关词 Relate Words

文献与著作 Notable Works

  • Molecular Biology of the Cell(Alberts 等):在染色质调控与表观遗传机制中讨论HDAC相关作用。
  • Molecular Cell Biology(Lodish 等):介绍组蛋白修饰(包括乙酰化/去乙酰化)与转录调控。
  • Epigenetics(Allis、Jenuwein、Reinberg 等编):系统论述HDAC与基因表达调控网络。
  • The Epigenetics Revolution(Nessa Carey):面向大众科普表观遗传学,提及去乙酰化与相关药物研究。
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