Previous studies have shown that induction of 2kidney -1clip Goldblatt hypertension (2K-1C) induction in rats eliminates hypertensive response after inactivating of the central nucleus of the amygdale (ACe). The present study investigated the possibility of alteration in local renin angiotensin system (RAS) activity in ACe after hypertension induction. Clamps were placed on the left renal arter...

1. Infusion of angiotensin II antagonist failed to restore the blood pressure of short-term Goldblatt 2-kidney hypertensive rats to normal levels before and after sodium restriction. 2. The blood pressure of both normal and sodium-restricted Goldblatt 2 hypertensive rats remained elevated 6 h after bilateral nephrectomy. 3. The residual hypertension found during antagonist infusion and after bi...

Previous studies have shown that chronic low-dose administration of 40 ng/min angiotensin II by osmotic minipump to uninephrectomized rats mimics the temporal hypertensive response and the circulating angiotensin II levels observed in two-kidney, one clip Goldblatt rats. Furthermore, renal tissue angiotensin II contents were higher than the circulating angiotensin II levels, suggesting that cir...

Angiotensin-converting enzyme activity of the aortic subcellular fractions (homogenate, mitochondria, microsomes and supernatant) was determined in normotensive and experimental hypertensive rats (1-clip, 1-kidney Goldblatt hypertensive; 1-clip, 2-kidney Goldblatt hypertensive and 2-clip, 2-kidney hypertensive rats). The systolic blood pressure markedly elevated in each group of experimental hy...

This study describes the effect of heparin on blood pressure, cardiac output, and total peripheral resistance in spontaneously hypertensive and one-kidney, one clip Goldblatt hypertensive rats. Administration of heparin (200 units/day/rat) for 8 weeks to young (6-week-old) spontaneously hypertensive rats (SHR) resulted in an attenuated rise in blood pressure; mean blood pressure in heparin-trea...

Previous studies have shown that induction of 2kidney -1clip Goldblatt hypertension (2K-1C) induction in rats eliminates hypertensive response after inactivating of the central nucleus of the amygdale (ACe). The present study investigated the possibility of alteration in local renin angiotensin system (RAS) activity in ACe after hypertension induction. Clamps were placed on the left renal arter...

The weight and protein contents of the aorta and left ventricle were measured in rabbits with two-kidney or one-kidney Goldblatt hypertension (group 2H and group 1H) and in respective control animals (group 2C and group 1C). 14 days after a renal artery constriction the protein contents of the aorta were greater in group 2H (124+/-3 mg) than in group 2C (95+/-2 mg) (p less than 0.001) and in gr...

Evidence is presented on the occurrence of spontaneous hypertension in dogs. All dogs with spontaneous hypertension exhibited normal renal plasma flow and glomerular filtration rate. Clearances on nephrogenic hypertensive dogs revealed that some exhibited normal kidney function, while others had significant depression of renal plasma flow and glomerular filtration rate. In the latter, the filtr...

The effects of potassium loading on blood pressure (BP) and the renin-angiotensin-aldosterone system were investigated in two-kidney, one clip Goldblatt hypertensive rats. Two series of experiments were performed: one was begun just after renal artery constriction, and the other, after hypertension had developed. Potassium loading significantly attenuated the development of hypertension, and wa...

These findings led to the clinical recognition of renovascular hypertension, the application of surgery for its relief and the elucidation of the role of the renin-angiotensin system in the physiology of health and the pathogenesis of disease. In the 45 years since Goldblatt's publication on the experimental induction of renovascular hypertension, overwhelmingly conclusive evidence has confirme...