Dexamethasone

Описание:

Most active and highly stable glucocorticoid. Causes a reduction in cyclin A and Cdk2 activity, and inhibition of G1/S transition in osteoblasts. Inhibits the phosphorylation of retinoblastoma (Rb) protein. Inhibits the expression of inducible but not constitutive nitric oxide synthase in vascular endothelial cells (IC50 = 5 nM). Enhances active cation transport in aortic smooth muscle cells by stimulating the Na+ — K+ pump. Induces apoptosis in human thymocytes.