In this study of 48 successfully operated rats, we evaluated the applicability of the Ghosh-Lai stomach preparation to the quantitation of the HCl output following stimulation with histamine and pentagastrin and inhibition with gastrone and atropine. The usefulness of this rat preparation was well demonstrated and good duplication of results was obtained with various doses of histamine and pentagastrin. In this rat preparation, the HCl output following an optimal pentagastrin dose of 6 μg/kg/30 min i.v. was almost twice higher than that after an optimal histamine dose – for this rat preparation – of 0.2 mg/kg/ 30 min i.v. The inhibitory effect of gastrone B on histamine-stimulated HCl output has been confirmed in this rat preparation and shown to extend also on the pentagastrin-stimulated HCl secretion. The comparison of the atropine and gastrone inhibition of the pentagastrin-stimulated HCl output in the Ghosh-Lai preparation indicates that the inhibitory effect of 40 μg gastrone i.v. is similar in rat to that of 0.4 mg atropine sulfate i.v. under these conditions.

Journal Section:
Original Paper
Keywords:
Atropine, Gastric acidity determination, Gastric juice, Gastrone, Histamine, Pentagastrin, Ghosh-Lai rats
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© 1975 S. Karger AG, Basel
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1975
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