SOCE and STIM1 signaling in the heart: Timing and location matter.

SOCE and STIM1 signaling in the heart: Timing and location matter.
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DOI:
10.1016/j.ceca.2018.11.008
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发表时间:
2019-01
期刊:
影响因子:
4
通讯作者:
Bryson, Victoria
Bryson, Victoria
中科院分区:
生物学2区
文献类型:
--
作者:
Rosenberg, Paul;Katz, Danielle;Bryson, Victoria

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钙库操纵的钙内流(SOCE)是一种古老而普遍存在的钙信号通路,但SOCE在人体生理学中的作用至今才被揭示。这一通路与横纹肌的相关性随着STIM 1和Orai 1(两种SOCE组分)突变引起的骨骼肌病变的描述而得到巩固。在这里,我们考虑心肌和窦房结中STIM 1和SOCE的证据。我们强调最近的研究揭示了STIM1在心脏生长中对发育和病理线索的反应。我们还回顾了STIM1在调节SOCE和Ca2+商店再填充的非Orai依赖性方式中的作用。最后,我们讨论了这一途径在心室心肌细胞中的重要性,其中SOCE有助于发育生长和在起搏细胞中,SOCE可能具有产生心律的基础。
Store operated Ca2+ entry (SOCE) is an ancient and ubiquitous Ca2+ signaling pathway discovered decades ago, but the function of SOCE in human physiology is only now being revealed. The relevance of this pathway to striated muscle was solidified with the description of skeletal myopathies that result from mutations in STIM1 and Orai1, the two SOCE components. Here, we consider the evidence for STIM1 and SOCE in cardiac muscle and the sinoatrial node. We highlight recent studies revealing a role for STIM1 in cardiac growth in response to developmental and pathologic cues. We also review the role of STIM1 in the regulation of SOCE and Ca2+ store refilling in a non-Orai dependent manner. Finally, we discuss the importance of this pathway in ventricular cardiomyocytes where SOCE contribute to developmental growth and in pacemaker cells where SOCE likely has a fundamental to generating the cardiac rhythm.
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