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  • Title: Some pharmacological actions of nisoxetine, a bicyclic inhibitor of noradrenaline uptake.
    Author: Leedham JA, Foley AJ, Pennefather JN.
    Journal: Arch Int Pharmacodyn Ther; 1985 Sep; 277(1):39-55. PubMed ID: 2998294.
    Abstract:
    Some peripheral actions of the phenoxyphenylpropylamine, nisoxetine, have been compared with those of the tricyclic antidepressant, desipramine. The two drugs were equipotent in inhibiting the accumulation of 3H-noradrenaline by the sympathetic nerve terminals of the rat vas deferens; and, in low doses, equipotent in potentiating the actions of noradrenaline at both alpha 1- and alpha 2-adrenoceptors in this tissue. In the vas deferens, the alpha 1-adrenoceptor blocking action of desipramine was evident at concentrations of 0.1 mumol l-1 and above; nisoxetine was less potent. Neither drug exhibited antagonist actions at alpha 2-adrenoceptors. Nisoxetine was also less potent than desipramine in inhibiting responses to histamine, carbachol and bradykinin on the guinea-pig isolated ileum. Thus nisoxetine is the more specific of the two neuronal uptake inhibitors and may be a useful tool to block neuronal uptake in experiments designed to classify adrenoceptors in other tissues.
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