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  • Title: Effect of prostacyclin on renal kallikrein release in man.
    Author: Pierucci A, Simonetti BM, Ciabattoni G, Taggi F, Morabito S, Vastano S, Pugliese F.
    Journal: Eur J Clin Invest; 1986 Jun; 16(3):233-8. PubMed ID: 3089820.
    Abstract:
    The aim of this research was to study exogenous prostacyclin effect on urinary kallikrein excretion (UKK) in man, to define whether prostacyclin-induced renin release and/or endogenously released cyclooxygenase products were responsible for prostacyclin-induced enhancement of UKK, to determine furosemide effect on UKK. Prostacyclin was infused in eight healthy men and repeated after propranolol and indomethacin treatment. Prostacyclin caused a dose-dependent increase of UKK. Pretreatment with propranolol and indomethacin did not affect prostacyclin-induced enhancement of UKK, although it reduced absolute values of plasma renin activity. Furosemide increased UKK and simultaneously urinary 6-keto-prostaglandin F1 alpha. We conclude that prostacyclin induces an increase in UKK in a dose-dependent manner; furosemide-induced renal prostacyclin synthesis is temporally related to enhancement of UKK; partial dissociation of UKK from plasma renin activity under propranolol and indomethacin treatment and in response to furosemide might suggest a direct effect of prostacyclin on UKK.
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