Title : Inhibition of 1,25-dihydroxyvitamin-D-induced keratinocyte differentiation by blocking the expression of phospholipase C-gamma1.

Pub. Date : 2001 Nov

PMID : 11710940






3 Functional Relationships(s)
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1 To further investigate the mechanism by which phospholipase C-gamma1 regulates keratinocyte differentiation, the calcium and inositol triphosphate levels in keratinocytes transfected by the antisense phospholipase C-gamma1 construct were measured following 1,25-dihydroxyvitamin D3 administration. Calcium phospholipase C gamma 1 Homo sapiens
2 The increase in keratinocyte intracellular free calcium and inositol triphosphate levels following 1,25-dihydroxyvitamin D3 administration were markedly reduced by the transfection of the antisense phospholipase C-gamma1 construct. Calcium phospholipase C gamma 1 Homo sapiens
3 These studies indicate that phospholipase C-gamma1 plays a critical role in the signal transduction pathway mediating 1,25-dihydroxyvitamin-D3-induced keratinocyte differentiation at least in part by mediating the increase in inositol triphosphate production and intracellular calcium mobilization following 1,25-dihydroxyvitamin D3 administration. Calcium phospholipase C gamma 1 Homo sapiens