Galanin inhibits somatostatin release by the rat islet cell tumor in culture, Rin-m.


Using a rat islet cell tumor in culture, Rin-m, we studied the effects of the neuropeptide, galanin, on somatostatin release. Galanin applied to the incubation medium inhibited pancreatic hormone release rapidly and dose dependently with an IC50 at 4 nM and the maximal effect (40% inhibition) was elicited by 100 nM peptide. Pretreatment of Rin-m cells with… (More)


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