Role of BET Proteins in Inflammation and CNS Diseases.

Role of BET Proteins in Inflammation and CNS Diseases.
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DOI:
10.3389/fmolb.2021.748449
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发表时间:
2021
影响因子:
5
通讯作者:
Candelario-Jalil E
Candelario-Jalil E
中科院分区:
生物学3区
文献类型:
--
作者:
Liu L;Yang C;Candelario-Jalil E

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溴结构域和末端外结构域(BET)蛋白由四个哺乳动物成员(BRD 2、BRD 3、BRD 4和BRDT)组成,其在炎症反应的转录调节中起关键作用。炎症失调是多种中枢神经系统疾病的关键病理过程,其机制包括NF-κB和Nrf 2途径,这两种途径是众所周知的炎症主要调节因子。更好地理解BET蛋白在调节炎症过程中的作用具有重要意义,因为它可以揭示新的治疗靶点以减少与许多CNS疾病相关的神经炎症。在这篇小综述中,我们首先概述了BET蛋白的结构特征,并总结了BET抑制的遗传和药理学方法,包括使用蛋白水解靶向嵌合体(PROTAC)的新策略。我们强调BET蛋白与NF-κB和Nrf 2信号通路之间相互作用的体外和体内证据。最后,我们总结了最近的研究表明,BET蛋白是必不可少的调节炎症和神经病理学在各种中枢神经系统疾病。
Bromodomain and extra-terminal domain (BET) proteins consist of four mammalian members (BRD2, BRD3, BRD4, and BRDT), which play a pivotal role in the transcriptional regulation of the inflammatory response. Dysregulated inflammation is a key pathological process in various CNS disorders through multiple mechanisms, including NF-κB and Nrf2 pathways, two well-known master regulators of inflammation. A better mechanistic understanding of the BET proteins’ role in regulating the inflammatory process is of great significance since it could reveal novel therapeutic targets to reduce neuroinflammation associated with many CNS diseases. In this minireview, we first outline the structural features of BET proteins and summarize genetic and pharmacological approaches for BET inhibition, including novel strategies using proteolysis-targeting chimeras (PROTACs). We emphasize in vitro and in vivo evidence of the interplay between BET proteins and NF-κB and Nrf2 signaling pathways. Finally, we summarize recent studies showing that BET proteins are essential regulators of inflammation and neuropathology in various CNS diseases.
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