Stimulatory effect of pancreastatin on gastric acid secretion in conscious dogs

Tsukuru Hashimoto, Masafumi Kogire, Felix Lluis, Guillermo Gomez, Kazuhiko Tatemoto, George H. Greeley, James C. Thompson

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Pancreastatin, a new 49-amino acid peptide, has recently been isolated and characterized from extracts of the porcine pancreas. The objective of the present study was to examine the effect of various doses of pancreastatin on gastric acid secretion in conscious dogs that were prepared with chronic gastric cannulas. Pancreastatin, administered IV at 400 pmol · kg-1 · h-1, enhanced peptone meal [peptone (5%), phenylalanine (90 mmol/L), glucose (12 g/dL)]-stimulated gastric acid secretion by 50%; pancreastatin at 800 pmol · kg-1 · h-1 enhanced peptone meal secretion by 165% (P < 0.05). Intravenous administration of pancreastatin did not affect basal or peptone-stimulated release of gastrin. In addition, IV pancreastatin (400 pmol · kg-1 · h-1) failed to influence basal gastric acid secretion. Pancreastatin did not affect acid secretion stimulated by 2-deoxyglucose, histamine, or pentagastrin. The present study shows that pancreastatin can selectively enhance gastric acid secretion by a mechanism independent of cholinergic, histaminergic, or gastrin input.

Original languageEnglish (US)
Pages (from-to)61-65
Number of pages5
JournalGastroenterology
Volume99
Issue number1
StatePublished - 1990
Externally publishedYes

Fingerprint

Gastric Acid
Dogs
Peptones
Gastrins
Meals
Pentagastrin
pancreastatin
Deoxyglucose
Phenylalanine
Intravenous Administration
Cholinergic Agents
Histamine
Pancreas
Stomach
Swine
Amino Acids
Glucose
Peptides
Acids

ASJC Scopus subject areas

  • Gastroenterology

Cite this

Hashimoto, T., Kogire, M., Lluis, F., Gomez, G., Tatemoto, K., Greeley, G. H., & Thompson, J. C. (1990). Stimulatory effect of pancreastatin on gastric acid secretion in conscious dogs. Gastroenterology, 99(1), 61-65.

Stimulatory effect of pancreastatin on gastric acid secretion in conscious dogs. / Hashimoto, Tsukuru; Kogire, Masafumi; Lluis, Felix; Gomez, Guillermo; Tatemoto, Kazuhiko; Greeley, George H.; Thompson, James C.

In: Gastroenterology, Vol. 99, No. 1, 1990, p. 61-65.

Research output: Contribution to journalArticle

Hashimoto, T, Kogire, M, Lluis, F, Gomez, G, Tatemoto, K, Greeley, GH & Thompson, JC 1990, 'Stimulatory effect of pancreastatin on gastric acid secretion in conscious dogs', Gastroenterology, vol. 99, no. 1, pp. 61-65.
Hashimoto T, Kogire M, Lluis F, Gomez G, Tatemoto K, Greeley GH et al. Stimulatory effect of pancreastatin on gastric acid secretion in conscious dogs. Gastroenterology. 1990;99(1):61-65.
Hashimoto, Tsukuru ; Kogire, Masafumi ; Lluis, Felix ; Gomez, Guillermo ; Tatemoto, Kazuhiko ; Greeley, George H. ; Thompson, James C. / Stimulatory effect of pancreastatin on gastric acid secretion in conscious dogs. In: Gastroenterology. 1990 ; Vol. 99, No. 1. pp. 61-65.
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