Title : Evidence that cytosolic phospholipase A2 is down-regulated by protein kinase C in intact human platelets stimulated with fluoroaluminate.

Pub. Date : 1999 Apr 30

PMID : 10350053






4 Functional Relationships(s)
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1 We reported that protein kinase C (PKC) inhibitors increase the release of arachidonic acid induced by fluoroaluminate (AlF4-), an unspecific G-protein activator, in intact human platelets. tetrafluoroaluminate proline rich transmembrane protein 2 Homo sapiens
2 We reported that protein kinase C (PKC) inhibitors increase the release of arachidonic acid induced by fluoroaluminate (AlF4-), an unspecific G-protein activator, in intact human platelets. tetrafluoroaluminate proline rich transmembrane protein 2 Homo sapiens
3 Now we demonstrate that this effect is independent of the extracellular Ca2+ concentration and that AlF4(-)-induced release of AA is abolished by BAPTA, an intracellular Ca2+ chelator, even in the presence of GF 109203X, a specific and potent PKC inhibitor. tetrafluoroaluminate proline rich transmembrane protein 2 Homo sapiens
4 These observations indicate that cPLA2 is responsible for the AlF4(-)-induced release of arachidonic acid by a mechanism that is down-regulated by PKC. tetrafluoroaluminate proline rich transmembrane protein 2 Homo sapiens