Attenuated renal response to moxonidine and rilmenidine in one kidney-one clip hypertensive rats

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Attenuated renal response to moxonidine and rilmenidine in one kidney-one clip hypertensive rats.

1. I1 non-adrenoceptor, imidazoline receptor agonists, such as moxonidine, increase urine flow rate and sodium excretion following infusion into the renal artery. The functions of these agonists in genetic and acquired models of hypertension have not been determined. 2. We therefore studied the renal effects of two known non-adrenoceptor, imidazoline receptor agonists, rilmenidine and moxonidin...

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Effect of clonidine on blood pressure in chronic one-kidney, one-clip and two-kidney, one-clip hypertensive rats.

Oral administration of clonidine lowered the high blood pressure in two-kidney, one-clip hypertensive rats in chronic stage (three to four months), but not in one-kidney, one-clip hypertensive rats. This reduction of blood pressure was well correlated with decrease in plasma renin concentration, but not with decrease in urinary noradrenaline excretion. These results suggest that the reduction o...

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Impaired renorenal reflexes in two-kidney, one clip hypertensive rats.

In normotensive rats, stimulation of renal mechanoreceptors by an increase in ureteral pressure results in a contralateral inhibitory renorenal reflex response with contralateral natriuresis. Similar effects are produced by stimulation of renal chemoreceptors by renal pelvic perfusion with 0.9 M NaCl. However, in spontaneously hypertensive rats the renorenal reflex responses to renal mechanorec...

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Effects of Low-dose Morphine on Nitric Oxide Concentration and Angiogenesis in Two-kidney One Clip Hypertensive Rats

Objective(s) We investigated the effects of low-dose morphine on nitric oxide (NO) and angiogenesis in two-kidney one clip hypertensive (2K1C) rats. Materials and Methods Male rats were divided into two groups: sham-clip operated and 2K1C. Each group subdivided into saline and morphine (3 mg/kg i.p. 8 weeks) groups. Blood pressure, heart rate, plasma renin activity (PRA), NO concentration an...

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Effects of angiotensin inhibition and renal denervation in two-kidney, one clip hypertensive rats.

Neural and angiotensin-mediated influences that alter hemodynamic and excretory behavior of the nonclipped kidney of two-kidney, one clip hypertensive rats were assessed by sequential acute surgical denervation of the nonclipped kidney and intravenous infusion of converting enzyme inhibitor (SQ 20881), 3 mg/kg X hr. Normal and two-kidney, one clip hypertensive rats (0.2-mm silver clip on the ri...

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ژورنال

عنوان ژورنال: British Journal of Pharmacology

سال: 1994

ISSN: 0007-1188

DOI: 10.1111/j.1476-5381.1994.tb13052.x