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. 1978 Jan;15(1):81-8.
doi: 10.1016/s0090-6980(78)80006-9.

Prostaglandins and renin release: II. Assessment of renin secretion following infusion of PGI2,E2 and D2 into the renal artery of anesthetized dogs

J G Gerber, R A Branch, A S Nies, J F Gerkens, D G Shand, J Hollifield, J A Oates

Prostaglandins and renin release: II. Assessment of renin secretion following infusion of PGI2,E2 and D2 into the renal artery of anesthetized dogs

J G Gerber et al. Prostaglandins. 1978 Jan.

Abstract

The influence of intra-renal infusions of prostaglandin (PG) I2, PGE2 and PGD2 on renin secretion and renal blood flow was investigated in renally denervated, beta-adrenergic blocked, indomethacin treated dogs with unilateral nephrectomy. All three prostaglandins when infused at doses of 10(-8) g/kg/min and 10(-7) g/kg/min resulted in marked renal vasodilation. Renin secretory rates increased significantly with both PGI2 and PGE2 at the 10(-8) g/kg/min and 10(-7) g/kg/min infusion rates in a dose dependent manner. However, PGD2 was inactive. At 10(-7) g/kg/min, PGI2 infusions resulted in systemic hypotension indicated recirculation of this prostaglandin. These findings suggest that PGI2 should be included among the cyclooxygenase derived metabolites of arachidonic acid to be considered as possible mediators of renin release.

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