in a recent study it was demonstrated that the c-terminal octapeptide of cholecystokinin ( cck-26-33 ; often abbreviated cck-8 ) and cck-39 ( = cck -- 6-33 ) potently and with the same efficacy stimulated basal insulin secretion when injected intravenously to mice .
C0037167
octapeptide
C0008328
cck