Does luminal gastrin stimulate gastric acid secretion?

Amram Ayalon, Raul Yazigi, Peter Devitt, Phillip L. Rayford, James C. Thompson

Research output: Contribution to journalArticlepeer-review


The effects of pentagastrin on acid secretion, short circuit current, electrical conductance and potential difference were determined in isolated bullfrog fundic mucosa. Biologically active luminal pentagastrin had no effect on gastric mucosa, even at a concentration 100 times higher than that necessary for stimulation of the mucosa from the serosal side. It is concluded that luminal gastrin does not appear to have a physiologic role in gastric secretory processes.

Original languageEnglish
Pages (from-to)94-97
Number of pages4
JournalAmerican Journal of Surgery
Issue number1
StatePublished - Jan 1981


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