Small heat shock protein 20 (HspB6) in cardiac hypertrophy and failure.

Small heat shock protein 20 (HspB6) in cardiac hypertrophy and failure.
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DOI:
10.1016/j.yjmcc.2010.09.013
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发表时间:
2011-10
影响因子:
5
通讯作者:
Kranias EG
Kranias EG
中科院分区:
医学2区
文献类型:
--
作者:
Fan GC;Kranias EG

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Hsp20,简称HspB6,在多种组织中组成性表达。具体来说,HspB6在不同类型的肌肉中表达最高,包括血管、气道、结肠、膀胱和子宫平滑肌;心肌;还有骨骼肌。它可以被cAMP-和cgmp依赖性蛋白激酶(PKA/PKG)磷酸化Ser-16位点。近年来,Hsp20及其磷酸化参与了平滑肌舒张、血小板聚集、运动训练、心肌梗死、动脉粥样硬化、胰岛素抵抗和阿尔茨海默病等多种生理和病理生理过程。在心脏方面,近十年来在阐明Hsp20在收缩功能和心脏保护中的意义方面取得了关键进展。这篇小型综述强调了在动物模型和人类患者中令人兴奋的发现,特别强调了热休克蛋白20对心脏病的潜在有益作用。
Hsp20, referred to as HspB6, is constitutively expressed in various tissues. Specifically, HspB6 is most highly expressed in different types of muscle including vascular, airway, colonic, bladder, and uterine smooth muscle; cardiac muscle; and skeletal muscle. It can be phosphorylated at Ser-16 by both cAMP- and cGMP-dependent protein kinases (PKA/PKG). Recently, Hsp20 and its phosphorylation have been implicated in multiple physiological and pathophysiological processes including smooth muscle relaxation, platelet aggregation, exercise training, myocardial infarction, atherosclerosis, insulin resistance and Alzheimer’s disease. In the heart, key advances have been made in elucidating the significance of Hsp20 in contractile function and cardioprotection over the last decade. This mini-review highlights exciting findings in animal models and human patients, with special emphasis on the potential salutary effects of Hsp20 in heart disease.
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