Identification and characterization of receptors for secretagogues on pancreatic acinar cells.

Acinar cells from guinea pig pancreas possess six different classes of receptors that mediate the actions of various secretagogues on enzyme secretion. Four classes of receptors stimulate enzyme secretion by causing mobilization of adenylate cyclase and increased cellular cyclic AMP. This paper summarizes the results of studies that have employed radiolabeled secretagogues of high specific activity and have measured directly the interaction of secretagogues with their receptors on pancreatic acinar cells.