نتایج جستجو برای: prorenin receptor
تعداد نتایج: 590644 فیلتر نتایج به سال:
Newly developed IRMAs to measure the plasma concentrations of renin and prorenin were validated for clinical use and compared with a classical enzyme kinetic assay. The IRMAs involve two monoclonal antibodies, one that reacts equally well with renin and prorenin and one that recognizes renin well but prorenin only minimally. Prorenin reactivity with the second antibody was enhanced by adding th...
Rong, Pei, Jennifer L. Wilkinson-Berka, and Sandford L. Skinner. Potassium control of extrarenal renin secretion in transgenic (mRen-2)27 and normal rats. Am. J. Physiol. 277 (Endocrinol. Metab. 40): E631–E638, 1999.— Plasma active renin and prorenin were followed for 12 h after bilateral, unilateral, and sham nephrectomy (BNx, UNx, and SNx) in anesthetized transgenic (mRen-2)27 rats to compare...
Renin, which catalyzes the initial proteolytic cleavage reaction in the production of angiotensins, is first synthesized as a zymogen, prorenin, and requires the proteolytic removal of an amino-terminal prosegment for activation in vivo. The lysosomal hydrolase cathepsin B has been proposed as a prorenin processing enzyme based on reports of its co-localization with renin in the secretory granu...
AIM To investigate the serum levels of prorenin and its correlation with the severity of diabetic retinopathy (DR). METHODS 248 patients with diabetes and 108 control subjects were divided into four groups: no-DR (n = 146), no proliferative diabetic retinopathy (no-PDR) (n = 78), PDR (n = 24), and controls (n = 108). Serum levels of prorenin from all subjects were measured using the new antib...
The (Pro)renin receptor (P)RR/Atp6ap2 is a cell surface protein capable of binding and non-proteolytically activate prorenin. Additionally, (P)RR is associated with H(+)-ATPases and alternative functions in H(+)-ATPase regulation as well as in Wnt signalling have been reported. Kidneys express very high levels of H(+)-ATPases which are involved in multiple functions such as endocytosis, membran...
We have studied the dog as a potential model for the human plasma prorenin-renin system. On a regular sodium intake, healthy conscious dogs apparently have a much lower plasma renin activity (PRA) than healthy human volunteers. Cryoactivation of prorenin is virtually absent in dogs, in contrast to that in humans, but becomes more effective after preacidification of the plasma. The concentration...
It is well documented that diabetic patients with chronic complications have decreased renin secretion and elevations in the renin precursor prorenin. It is uncertain, however, whether the abnormal processing of prorenin is reflective of microvascular disease, hypertension, or autonomic neuropathy. Dechaux et al. (Transplant Proc. 18:1598-1599, 1986) observed abnormalities in prorenin processin...
To seek the pathophysiologic significance of measuring the concentration of total renin instead of prorenin, we determined the plasma total renin concentration by immunoradiometric assay and correlated the results with various clinical features and laboratory parameters of diabetic complication in 108 patients with diabetes mellitus. The plasma prorenin concentration was estimated as the differ...
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