Effect of exogenous CDP‐choline on choline metabolism in isolated adult rat ventricular myocytes under normoxic and hypoxic conditions is a research paper published in Cell Biochemistry and Function (1993). On theSindex it has a DataRank of 0.
AbstractThe purpose of this study was to examine the effect of exogenous CDP‐choline on choline metabolism and phosphatidylcholine biosynthesis in adult rat ventricular myocytes. Choline uptake and metabolism were examined, using [methyl3 H] choline. CDP‐choline in the medium produced a concentration dependent reduction in the amount of radio‐label in phosphocholine and phospholipid but it did not alter choline uptake into the myocytes. CDP‐choline also did not antagonize the effect of hypoxia on phosphatidylcholine synthesis; rather it accentuated the hypoxia‐induced reductions in cellular phosphocholine and phosphatidylcholine biosynthesis. These results indicate that the exogenous administration of CDP‐choline alters choline metabolism in the heart by reducing the formation of phosphocholine and phosphatidylcholine without altering choline uptake and suggest an effect of a CDP‐choline metabolite on choline metabolism which is not effective in opposing the effect of hypoxia on phosphatidylcholine biosynthesis.
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