KALLIKREIN-KININ AND RENIN-ANGIOTENSIN SYSTEMS IN RENOVASCULAR HYPERTENSION IN RATS
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1980
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Abstract
Plasma renin activity (PRA) and the levels of urinary kallikrein (UK) were studied simultaneously in Goldblatt 1- and 2-kidney hypertensive rats (1KG and 2KG) 5, 10 and 15 wk after clamping the left renal artery. Increase in PRA was statistically significant in 2KG rats (P < 0.0005 on the 5th and 10th wk, and P < 0.002 on the 15th wk). PRA was not significantly different to that of controls in 1KG rats. The urinary kallikrein levels were significantly lower in 1KG rats (P < 0.002) in relation to values found in normotensive rats. In 2KG rats, urinary kallikrein levels became significantly lower than those in controls only 15 wk after surgery.