α-cgrp, rat

Endogenous neuropeptide, potent vasodilator

α-CGRP (rat) acetate is a calcitonin gene-related peptide (CGRP). CGRP (rat) acetate is a potent vasodilator.

α-CGRP (mouse, rat) TFA, a neuropeptide belonging to the calcitonin gene-related peptide (CGRP) family, is predominantly located at neuromuscular junctions and functions as a potent vasodilator. Peripheral administration of α-CGRP (mouse, rat) TFA may result in decreased blood pressure and elevated heart rate, in addition to the relaxation of colonic smooth muscle. This compound shows promising utility in the investigation of cardiovascular, pro-inflammatory, migraine, and metabolic conditions [1] [2] [3].

Tyr-α-CGRP is an N-terminal extended tyrosinated analogue of α-calcitonin gene-related peptide . It binds to amylin receptors AMY1 and AMY3 in COS-7 cells expressing the human receptors (IC50s = 141 and 1.86 nM, respectively). Tyr-α-CGRP also binds to and stimulates cAMP accumulation in rat L6 myocytes (IC50 = 4 nM; EC50 = 12 nM). It also binds to rat brain and spleen membrane preparations (IC50s = 0.2 and 0.5 nM, respectively), induces positive chronotropic and inotropic effects in isolated right and left guinea pig atria (EC50s = 282 and 74 nM, respectively), and inhibits the twitch response in rat vas deferens (EC50 = 1.9 nM).