PACAP is a potent and highly effective stimulator of adenylyl cyclase activity in the retinas of different mammalian species

In rat, calf, pig and rabbit retinas the two forms of pituitary adenylate cyclase activating polypeptide with 38- and 27-amino acids (PACAP-38 and PACAP-27) produce a robust stimulation of adenylyl cyclase activity. PACAP-38 acts at picomolar concentrations and is generally more potent than PACAP-27...

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Veröffentlicht in:Brain research 1994-03, Vol.641 (1), p.132-134
Hauptverfasser: Onali, Pierluigi, Olianas, Maria C.
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description In rat, calf, pig and rabbit retinas the two forms of pituitary adenylate cyclase activating polypeptide with 38- and 27-amino acids (PACAP-38 and PACAP-27) produce a robust stimulation of adenylyl cyclase activity. PACAP-38 acts at picomolar concentrations and is generally more potent than PACAP-27. Both PACAPs are systematically more effective than the structurally homologous vasoactive intestinal peptide. Moreover, rat, calf and pig retinas contain significant amounts of PACAP-38 immunoreactivity. This study provides the first evidence for the action and occurence of PACAP in mammalian retinas.
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source MEDLINE; Access via ScienceDirect (Elsevier)
subjects Adenylyl cyclase
Adenylyl Cyclases - drug effects
Adenylyl Cyclases - metabolism
Animals
Biological and medical sciences
Cattle
Enzyme Activation - drug effects
Eye and associated structures. Visual pathways and centers. Vision
Fundamental and applied biological sciences. Psychology
Male
Mammalia
Mammalian retina
Neuropeptides - analysis
Neuropeptides - pharmacology
Pituitary adenylate cyclase activating polypeptide (PACAP)
Pituitary Adenylate Cyclase-Activating Polypeptide
Rabbits
Radioimmunoassay
Rats
Rats, Sprague-Dawley
Retina - enzymology
Species Specificity
Swine
Tissue Extracts - chemistry
Vasoactive Intestinal Peptide - pharmacology
Vertebrates: nervous system and sense organs
title PACAP is a potent and highly effective stimulator of adenylyl cyclase activity in the retinas of different mammalian species
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