Title : Regulatory functions of protein kinase C isoenzymes in purinoceptor signalling in mesangial cells.

Pub. Date : 1996 Dec

PMID : 9131406






2 Functional Relationships(s)
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1 By using specific PKC inhibitors and down-regulation experiments we provide evidence that PKC alpha acts as a negative feedback regulator of ATP- and UTP-stimulated phosphoinositide turnover, whereas PKC epsilon triggers arachidonic acid release and subsequent prostaglandin synthesis and stimulates a phosphatidylcholine-hydrolysing phospholipase D. Moreover, PKC delta may activate the mitogen-activated protein kinase cascade and thus promote mesangial cell proliferation in response to extracellular ATP and <protein-id="291987">UTP. Phosphatidylcholines protein kinase C, alpha Rattus norvegicus
2 By using specific PKC inhibitors and down-regulation experiments we provide evidence that PKC alpha acts as a negative feedback regulator of ATP- and UTP-stimulated phosphoinositide turnover, whereas PKC epsilon triggers arachidonic acid release and subsequent prostaglandin synthesis and stimulates a phosphatidylcholine-hydrolysing phospholipase D. Moreover, PKC delta may activate the mitogen-activated protein kinase cascade and thus promote mesangial cell proliferation in response to extracellular ATP and <protein-id="291987">UTP. Phosphatidylcholines protein kinase C, alpha Rattus norvegicus