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Journal of Zhejiang University SCIENCE B 2008 Vol.9 No.8 P.591-601


New insights into the activation mechanism of store-operated calcium channels: roles of STIM and Orai

Author(s):  Rui-wei GUO, Lan HUANG

Affiliation(s):  Department of Cardiovascular, Xinqiao Hospital, University of the Third Military Medical, Chongqing 400037, China

Corresponding email(s):   grw771210@163.com, huanglan260@126.com

Key Words:  Store-operated Ca2+ entry (SOCE), Stromal interaction molecule (STIM), Orai

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Rui-wei GUO, Lan HUANG. New insights into the activation mechanism of store-operated calcium channels: roles of STIM and Orai[J]. Journal of Zhejiang University Science B, 2008, 9(8): 591-601.

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%DOI 10.1631/jzus.B0820042

T1 - New insights into the activation mechanism of store-operated calcium channels: roles of STIM and Orai
A1 - Rui-wei GUO
A1 - Lan HUANG
J0 - Journal of Zhejiang University Science B
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.B0820042

The activation of Ca2+ entry through store-operated channels by agonists that deplete Ca2+ from the endoplasmic reticulum (ER) is a ubiquitous signaling mechanism, the molecular basis of which has remained elusive for the past two decades. Store-operated Ca2+-release-activated Ca2+ (CRAC) channels constitute the sole pathway for Ca2+ entry following antigen-receptor engagement. In a set of breakthrough studies over the past two years, stromal interaction molecule 1 (STIM1, the ER Ca2+ sensor) and orai1 (a pore-forming subunit of the CRAC channel) have been identified. Here we review these recent studies and the insights they provide into the mechanism of store-operated Ca2+ channels (SOCCs).

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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