the polypeptides neurotensin and gastric inhibitory polypeptide ( gip ) were both found to potentiate the carbachol-induced glucagon secretion , whereas substance p , pancreatic polypeptide , and two different molecular variants of cholecystokinin , cck-8 and cck-39 , were without effect on cholinergically induced glucagon secretion .
C0008328
cholecystokinin
C0037167
cck-8