Regulating the regulators: the post-translational code of class I HDAC1 and HDAC2.

Regulating the regulators: the post-translational code of class I HDAC1 and HDAC2.
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DOI:
10.1155/2011/690848
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发表时间:
2011
影响因子:
--
通讯作者:
Chiocca S
Chiocca S
中科院分区:
其他
文献类型:
--
作者:
Segré CV;Chiocca S

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I类组蛋白脱乙酰酶(HDAC)是一种在多种组织中表达的细胞酶,在分化、增殖和癌症中发挥重要作用。尤其是HDAC1和HDAC2是高度同源的蛋白质,在不同的细胞类型中或在对不同的刺激和信号通路的反应中显示出冗余或特定的作用。这种双重调控的分子细节在很大程度上是未知的。HDAC1和HDAC2不仅是蛋白质修饰物,而且还受翻译后修饰(PTM)的调节:磷酸化、乙酰化、泛素化、SUMO化、亚硝化和羰化。其中一些PTM特别在HDAC1或HDAC2上发生和串扰,为不同的、与上下文相关的监管创建了一个合理的“代码”。对这个PTM编码的整体理解对于剖析单个HDAC1和HDAC2在生理学和病理学中的作用是至关重要的。
Class I histone deacetylases (HDACs) are cellular enzymes expressed in many tissues and play crucial roles in differentiation, proliferation, and cancer. HDAC1 and HDAC2 in particular are highly homologous proteins that show redundant or specific roles in different cell types or in response to different stimuli and signaling pathways. The molecular details of this dual regulation are largely unknown. HDAC1 and HDAC2 are not only protein modifiers, but are in turn regulated by post-translational modifications (PTMs): phosphorylation, acetylation, ubiquitination, SUMOylation, nitrosylation, and carbonylation. Some of these PTMs occur and crosstalk specifically on HDAC1 or HDAC2, creating a rational “code” for a differential, context-related regulation. The global comprehension of this PTM code is central for dissecting the role of single HDAC1 and HDAC2 in physiology and pathology.
DOI: 10.1111/j.1349-7006.2001.tb02153.x
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