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Cytosolic Ca2+ buffers.

Authors: Schwaller, Beat 
Citation: Schwaller B, Cold Spring Harb Perspect Biol. 2010 Nov;2(11):a004051. doi: 10.1101/cshperspect.a004051. Epub 2010 Oct 13.
Pubmed: (View Article at PubMed) PMID:20943758
DOI: Full-text: DOI:10.1101/cshperspect.a004051

"Ca(2+) buffers," a class of cytosolic Ca(2+)-binding proteins, act as modulators of short-lived intracellular Ca(2+) signals; they affect both the temporal and spatial aspects of these transient increases in [Ca(2+)](i). Examples of Ca(2+) buffers include parvalbumins (a and ß isoforms), calbindin-D9k, calbindin-D28k, and calretinin. Besides their proven Ca(2+) buffer function, some might additionally have Ca(2+) sensor functions. Ca(2+) buffers have to be viewed as one of the components implicated in the precise regulation of Ca(2+) signaling and Ca(2+) homeostasis. Each cell is equipped with proteins, including Ca(2+) channels, transporters, and pumps that, together with the Ca(2+) buffers, shape the intracellular Ca(2+) signals. All of these molecules are not only functionally coupled, but their expression is likely to be regulated in a Ca(2+)-dependent manner to maintain normal Ca(2+) signaling, even in the absence or malfunctioning of one of the components.

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RGD Object Information
RGD ID: 7204685
Created: 2012-12-26
Species: All species
Last Modified: 2017-01-03
Status: ACTIVE



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