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Diabetes, Vol 29, Issue 5 355-360, Copyright © 1980 by American Diabetes Association

ARTICLES

Effect of adrenergic agents on the secretion of gastrointestinal immunoreactive glucagon in depancreatized dogs

T Yoshida and M Kondo

To elucidate the mode of action of adrenergic agents on gastric A cells, the effects of infusion of adrenergic agonists and antagonists on the secretion of gastrointestinal immunoreactive glucagon (gastrointestinal IRG) from gastric A cells were investigated in 45 conscious, depancreatized dogs untreated with insulin. Large amounts (0.6 micrograms/kg/min) of epinephrine, norepinephrine, and isoproterenol stimulated the release of gastrointestinal IRG, and catecholamine-induced gastrointestinal IRG release was completely abolished by simultaneous infusion of the specific beta receptor-blocking compound, propranolol, but not by alpha receptor blockade with phentolamine. These findings suggest that, when adrenergic agonists are infused in large amounts, they may act through a beta receptor to increase the release of gastrointestinal IRG.
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This article has been cited by other articles:


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Copyright © 1980 by the American Diabetes Association.