When sparks get old

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Abstract

Sparks are transient local elevations of Ca ion concentration observed in different types of muscle cells. Such local Ca2+ signals can be provoked in skeletal muscle cells by altering the osmotic pressure of the extracellular solution. In this issue, Weisleder et al. (see p. 639) demonstrate that the Ca2+ response to osmotic stress is substantially altered in aged muscle. The study presents evidence for a link between this finding and a reduced expression of mitsugumin 29 (MG29), a small membrane protein of the sarcoplasmic reticulum (SR). © The Rockefeller University Press.

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CITATION STYLE

APA

Melzer, W. (2006, August 28). When sparks get old. Journal of Cell Biology. https://doi.org/10.1083/jcb.200608014

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