Somatostatin inhibits VIP- and isoproterenol-stimulated cyclic AMP accumulation in rat prostatic epithelial cells |
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| Authors: | M J Carmena J I Sancho M A Fernández-González F Escudero J C Prieto |
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| Institution: | Departamento de Bioquímica y Biología Molecular, Universidad de Alcalá de Henares, Madrid, Spain |
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| Abstract: | The dual regulation of cyclic AMP accumulation was studied in rat prostatic epithelial cells incubated with somatostatin, vasoactive intestinal peptide (VIP), and the beta-adrenergic agent isoproterenol. Somatostatin noncompetitively inhibited the stimulatory effect of VIP and isoproterenol, but it did not alter basal cyclic AMP levels. In addition to the multifactorial regulation of the cyclic AMP system in rat prostatic epithelium, these results suggest that somatostatin may play a physiological role at this level. |
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