FEBS Lett. 1983 Oct 31;163(1):136-9.

Critical role of sulfhydryl group(s) in ATP-dependent Ca2+ sequestration by the plasma membrane fraction from rat liver.

Bellomo G, Mirabelli F, Richelmi P, Orrenius S.

Abstract

The ATP-dependent sequestration of Ca2+ by the plasma membrane fraction from rat liver is stimulated by reduced glutathione and dithiothreitol and inhibited by diamide and t-butyl hydroperoxide. The inhibitory effect on Ca2+ sequestration by the oxidizing agents is prevented in the presence of the thiols. Our results therefore suggest that free sulfhydryl group(s) may be critical for the activity of hepatic plasma membrane Ca2+ translocase, and that inhibition of this activity by the oxidation of such group(s) may contribute to the perturbation of Ca2+ homeostasis during oxidative stress.

PMID:: 6138281; [PubMed - indexed for MEDLINE]

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Critical role of sulfhydryl group(s) in ATP-dependent Ca2+ sequestration by the ...
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Critical role of sulfhydryl group(s) in ATP-dependent Ca2+ sequestration by the plasma membrane fraction from rat liver.

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