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  • Title: Effect of serotonin on pentagastrin-stimulated gastric pepsin secretion in dogs with gastric fistula.
    Author: Bech K, Andersen D.
    Journal: Scand J Gastroenterol; 1985 Dec; 20(10):1204-8. PubMed ID: 2869575.
    Abstract:
    The effect of serotonin on pentagastrin-stimulated gastric pepsin secretion in dogs was evaluated with regard to dose-response kinetics and receptor mediation. The pepsin secretion showed a dual response to exogenous serotonin. The high and low doses of serotonin stimulated, whereas the doses in between inhibited. The inhibition was of a non-competitive type and could be significantly counteracted by beta-adrenergic blocking drugs. This study supports the concept that the serotonin effect on gastric functions is mediated via sympathetic nerves releasing noradrenaline.
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