CREB, Ca(2+), Catecholamine, IP(3), PAC1, PACAP, PACAP-preferring receptor, PC12 cells, PKA, PLC, Pituitary adenylyl cyclase activating polypeptide, SCTR, Secretin, TH, Th, Th CRE, Th gene, VIP, VPAC receptors, VPAC1, cAMP, cAMP response element-binding protein, cAMP-PKA, catecholamine, endogenous Th gene, extracellular-signal-regulated kinase 1/, glucagon, inositol-1,4,5-triphosphate, mitogen-activated protein kinase, pheochromocytoma, pheochromocytoma (PC12) cells, phospholipase, phospholipase C, promoter, protein kinase A, secretin, secretin receptor, tyrosine, tyrosine hydroxylase, tyrosine hydroxylase (Th) gene, vasoactive intestinal polypeptide