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Characterization of plasma membrane redox activity from Ehrlich cells.

作者信息

Del Castillo-Olivares A, Márquez J, Núñez De Castro I, Medina M A

机构信息

Laboratory of Biochemistry and Molecular Biology, Faculty of Science, University of Málaga, Spain.

出版信息

Cell Biochem Funct. 1994 Jun;12(2):149-52. doi: 10.1002/cbf.290120211.

Abstract

Ferricyanide reductase activity of plasma membranes isolated from Ehrlich ascites tumour cells was very sensitive to trypsin treatment. The decreases of activity observed after treatment with different glycosidases suggests that ferricyanide reductase is a glycoprotein. The opposite effects of phospholipase A2 and phospholipase C on the redox activity indicate that the phospholipidic environment plays an important role in the function of ferricyanide reductase. Sodium ions at millimolar concentrations, and some divalent cations at micromolar concentrations (Ca2+, Mg2+, Sr2+, and Mn2+) behaved as stimulators of ferricyanide reductase activity.

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