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  • Title: Catecholamines, α-, and β-adrenoceptors are not responsible for activation of duodenum motility induced by sympathetic nerve stimulation.
    Author: Sveshnikov DS, Smirnov VM, Myasnikov IL, Mongush MI, Yurasova IA.
    Journal: Bull Exp Biol Med; 2011 Nov; 152(1):5-8. PubMed ID: 22803025.
    Abstract:
    Stimulation of sympathetic nerve in anesthetized dogs not treated with adrenergic blockers more frequently exerted stimulating rather than inhibitory effect on duodenal motility. Blockade of α- and β-adrenoceptors with phentolamine and propranolol, respectively, did not prevent the excitatory action of the sympathetic nerve stimulation, but even potentiated this effect. The data showed that catecholamines as well as α- and β-adrenoceptors are not involved in the excitatory effect of sympathetic origin.
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