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Biochim Biophys Acta. 2009 Feb;1793(2):223-30. doi: 10.1016/j.bbamcr.2008.11.001. Epub 2008 Nov 12.

TRPC channels and store-operated Ca(2+) entry.

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  • 1Department of Physiology (Cell Physiology Research Group), University of Extremadura, C├íceres 10071, Spain.

Abstract

Store-operated calcium entry (SOCE) is a major mechanism for Ca(2+) influx. Since SOCE was first proposed two decades ago many techniques have been used in attempting to identify the nature of store-operated Ca(2+) (SOC) channels. The first identified and best-characterised store-operated current is I(CRAC), but a number of other currents activated by Ca(2+) store depletion have also been described. TRPC proteins have long been proposed as SOC channel candidates; however, whether any of the TRPCs function as SOC channels remains controversial. This review attempts to provide an overview of the arguments in favour and against the role of TRPC proteins in the store-operated mechanisms of agonist-activated Ca(2+) entry.

PMID:
19061922
[PubMed - indexed for MEDLINE]
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