Title : Proteasomal degradation of IRS-2, but not IRS-1 by calcineurin inhibition: attenuation of insulin-like growth factor-I-induced GSK-3beta and ERK pathways in adrenal chromaffin cells.

Pub. Date : 2008 Jul

PMID : 18538359






1 Functional Relationships(s)
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1 Chronic (>or=3h) treatment of cultured bovine adrenal chromaffin cells with cyclosporin A or FK506 decreased IRS-2 protein level by approximately 50% (IC(50)=200 or 10nM), without changing IRS-2 mRNA level, and insulin receptor, insulin-like growth factor-I (IGF-I) receptor, IRS-1, PI3K/PDK-1/Akt/GSK-3beta and ERK1/ERK2 protein levels. Tacrolimus pyruvate dehydrogenase kinase 1 Bos taurus