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Title: The identification and characterization of protein kinase C activity in fetal membranes. Author: Okazaki T, Ban C, Johnston JM. Journal: Arch Biochem Biophys; 1984 Feb 15; 229(1):27-32. PubMed ID: 6230994. Abstract: Protein kinase C activity was demonstrated in cytosolic fractions prepared from human amnion and decidua vera tissues. The enzyme has been partially purified and was found to be glycerophospholipid-dependent. Phosphatidylserine was most active in the stimulation of protein kinase C. Ca2+ was also required for the expression of the enzyme activity. In the presence of unsaturated diacylglycerols, maximum activation of protein kinase C was observed at suboptimal concentrations of Ca2+. A possible role of phospholipid-dependent protein kinase C in the regulation of arachidonic acid release in this tissue is discussed.[Abstract] [Full Text] [Related] [New Search]