
Role of CREB in the regulatory action of sarsasapogenin on muscarinic M1 receptor density during cell aging
Keywords: CREB, cyclic AMP responsive element binding protein; CRE, cyclic AMP responsive element; pCREB, phosphor-CREB; CBP, CREB-binding protein; M receptor, muscarinic acetylcholine receptor; M1 receptor, muscarinic receptor subtype 1; ZMS, sarsasapogenin; DMSO,