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The renin-angiotensin system in rats made hypertensive by ligation of the kidney poles (38584).

作者信息

Rosas R, Rojo-Ortega J M, Ganten D, Boucher R, Genest J

出版信息

Proc Soc Exp Biol Med. 1975 Feb;148(2):562-7. doi: 10.3181/00379727-148-38584.

DOI:10.3181/00379727-148-38584
PMID:164676
Abstract

The renin-angiotensin system was studied in experimental renal hypertension produced by ligation of the poles of the left kidney followed by contralateral nephrectomy. Plasma renin concentration of renin substrate was lower and that of angiotensin I converting enzyme was higher in hypertensive animals. The juxtaglomerular index decreased in the medial zone of the kidney, while heavily granulated areas appeared in the poles. Ligated kidneys of rats that remained normotensive showed juxtaglomerular indices intermediate between the control and the hypertensive rats. Differences in renal renin content between the groups correspond to those for the juxtaglomerular index, but were smaller. No differences between the experimental groups were observed in iso-renin content in the brain; however in all animals with ligated kidney poles, hypertensive or normotensive, there was a tendency for iso-renin in the adrenals, left ventricular myocardium, and especially aorta to be lower than in controls.

摘要

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