Title : Vasopressin-induced polyphosphoinositide and phosphatidylcholine degradation in fibroblasts. Temporal relationship for formation of phospholipase C and phospholipase D hydrolysis products.

Pub. Date : 1990 Oct 15

PMID : 2170380






2 Functional Relationships(s)
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1 Here we demonstrate that VP-induced PIP2 hydrolysis is closely accompanied by phosphatidylcholine (PC) degradation by phospholipase D. Cells prelabeled with [3H]arachidonic acid showed rapid formation and diminution of [3H]diacylglycerol (DG) (5-15s) when treated with VP; this was accompanied by a reduction in polyphosphoinositide radioactivity. Arachidonic Acid arginine vasopressin Rattus norvegicus
2 Here we demonstrate that VP-induced PIP2 hydrolysis is closely accompanied by phosphatidylcholine (PC) degradation by phospholipase D. Cells prelabeled with [3H]arachidonic acid showed rapid formation and diminution of [3H]diacylglycerol (DG) (5-15s) when treated with VP; this was accompanied by a reduction in polyphosphoinositide radioactivity. Arachidonic Acid arginine vasopressin Rattus norvegicus