Effect of pituitary adenylate cyclase activating polypeptide on rat pancreatic exocrine secretion. 1991

Z Mungan, and A Ertan, and R A Hammer, and A Arimura
Department of Medicine, Tulane University School of Medicine, New Orleans, LA 70112.

A novel neuropeptide, pituitary adenylate cyclase activating polypeptide (PACAP), which has been isolated from ovine hypothalami, shows 68% homology with vasoactive intestinal peptide (VIP). Since VIP stimulates amylase secretion from the pancreas, we investigated the effect of PACAP and VIP on rat pancreatic exocrine secretion after intravenous injections of PACAP-27, PACAP-38, or VIP at doses of 2.5, 5 or 10 nmol/kg. Results showed: 1) Bolus injection of PACAP stimulated pancreatic amylase and protein secretions in a dose-dependent manner; and 2) Stimulation of amylase secretion with 10 nmol/kg of PACAP-27 was greater than that induced with the same dose of VIP or PACAP-38 (p less than 0.05).

UI MeSH Term Description Entries
D008297 Male Males
D009479 Neuropeptides Peptides released by NEURONS as intercellular messengers. Many neuropeptides are also hormones released by non-neuronal cells. Neuropeptide
D010179 Pancreas A nodular organ in the ABDOMEN that contains a mixture of ENDOCRINE GLANDS and EXOCRINE GLANDS. The small endocrine portion consists of the ISLETS OF LANGERHANS secreting a number of hormones into the blood stream. The large exocrine portion (EXOCRINE PANCREAS) is a compound acinar gland that secretes several digestive enzymes into the pancreatic ductal system that empties into the DUODENUM.
D011506 Proteins Linear POLYPEPTIDES that are synthesized on RIBOSOMES and may be further modified, crosslinked, cleaved, or assembled into complex proteins with several subunits. The specific sequence of AMINO ACIDS determines the shape the polypeptide will take, during PROTEIN FOLDING, and the function of the protein. Gene Products, Protein,Gene Proteins,Protein,Protein Gene Products,Proteins, Gene
D000262 Adenylyl Cyclases Enzymes of the lyase class that catalyze the formation of CYCLIC AMP and pyrophosphate from ATP. Adenyl Cyclase,Adenylate Cyclase,3',5'-cyclic AMP Synthetase,Adenylyl Cyclase,3',5' cyclic AMP Synthetase,AMP Synthetase, 3',5'-cyclic,Cyclase, Adenyl,Cyclase, Adenylate,Cyclase, Adenylyl,Cyclases, Adenylyl,Synthetase, 3',5'-cyclic AMP
D000681 Amylases A group of amylolytic enzymes that cleave starch, glycogen, and related alpha-1,4-glucans. (Stedman, 25th ed) EC 3.2.1.-. Diastase,Amylase
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D014660 Vasoactive Intestinal Peptide A highly basic, 28 amino acid neuropeptide released from intestinal mucosa. It has a wide range of biological actions affecting the cardiovascular, gastrointestinal, and respiratory systems and is neuroprotective. It binds special receptors (RECEPTORS, VASOACTIVE INTESTINAL PEPTIDE). VIP (Vasoactive Intestinal Peptide),Vasoactive Intestinal Polypeptide,Vasointestinal Peptide,Intestinal Peptide, Vasoactive,Intestinal Polypeptide, Vasoactive,Peptide, Vasoactive Intestinal,Peptide, Vasointestinal,Polypeptide, Vasoactive Intestinal
D051219 Pituitary Adenylate Cyclase-Activating Polypeptide A multi-function neuropeptide that acts throughout the body by elevating intracellular cyclic AMP level via its interaction with PACAP RECEPTORS and VASOACTIVE INTESTINAL PEPTIDE RECEPTOR. Although first isolated from hypothalamic extracts and named for its action on the pituitary, it is widely distributed in the central and peripheral nervous systems. PACAP is important in the control of endocrine and homeostatic processes, such as secretion of pituitary and gut hormones and food intake. PACAP,PACAP-27,PACAP-38,PACAP27,PACAP38,Pituitary Adenylate Cyclase Activating Polypeptide,Pituitary Adenylate Cyclase Activating Polypeptide 27,Pituitary Adenylate Cyclase Activating Polypeptide 38
D051381 Rats The common name for the genus Rattus. Rattus,Rats, Laboratory,Rats, Norway,Rattus norvegicus,Laboratory Rat,Laboratory Rats,Norway Rat,Norway Rats,Rat,Rat, Laboratory,Rat, Norway,norvegicus, Rattus

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