Β-arrestin: a signaling molecule and potential therapeutic target for heart failure.
Β-arrestin: a signaling molecule and potential therapeutic target for heart failure.
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DOI:
10.1016/j.yjmcc.2010.11.005
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发表时间:
2011-10
影响因子:
5
通讯作者:
Rockman HA
中科院分区:
文献类型:
--
作者:
Noor N;Patel CB;Rockman HA
Currently, some of the most effective treatments for heart failure target GPCRs such as the beta-adrenergic receptors (β1AR- β2AR) and angiotensin II type IA receptors (ATIaR). Ligands for these receptors not only function by blocking the deleterious G protein mediated pathway leading to heart failure, but also signal via G-protein independent pathways that involve receptor phosphorylation by G-protein receptor kinases (GRKs) leading to recruitment of the multifunctional protein, β-arrestin. Originally thought to play a role in GPCR desensitization and internalization, β-arrestin has recently been shown to mediate signaling independent of classical second messengers in a way that is often protective to the heart. The multi-functionality of β-arrestin makes it an intriguing molecule in the development of the next generation of drugs for cardiac diseases with the potential to simultaneously inhibit deleterious G-protein dependent pathways while activating beneficial β-arrestin-mediated signaling. In this review, we explore various facets of β-arrestin signaling and offer a perspective on its potential role as a key signaling molecule in the treatment of heart failure.
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通讯作者:
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