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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Neurohypophysial peptides and central cardiovascular control.

The cardiovascular effects of intravenous and intracisternal administration of neurohypophysial peptides were studied in anaesthetized dogs. Intracisternal oxytocin (1 and 10 mU kg-1) increased blood pressure. Intravenous lysine vasopressin (0.1 to 100 mU kg-1) induced a dose-dependent increase in blood pressure with bradycardia. Intracisternal lysine vasopressin (0.01 to 10 mU kg-1) elicited a dose-related decrease in blood pressure but no change in heart rate. These central hypotensive effects of vasopressin were suppressed by intravenous guanethidine, dl-propranolol, prazosin or atropine and were not observed in diabetes insipidus dogs with surgical lesion of the supra-opticohypophysial tract. Hypotension elicited by intracisternal vasopressin was due to a decrease in sympathetic tone and simultaneous activation of parasympathetic tone. These results suggest the involvement of these peptides in central control of blood pressure.[1]


  1. Neurohypophysial peptides and central cardiovascular control. Montastruc, J.L., Dang Tran, L., Montastruc, P. Eur. Heart J. (1983) [Pubmed]
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