The (pro)renin receptor and body fluid homeostasis
نویسندگان
چکیده
منابع مشابه
The (pro)renin receptor and body fluid homeostasis.
The renin-angiotensin system (RAS) has long been established as one of the major mechanisms of hypertension through the increased levels of angiotensin (ANG) II and its resulting effect on the sympathetic nerve activity, arterial vasoconstriction, water reabsorption, and retention, etc. In the central nervous system, RAS activation affects body fluid homeostasis through increases in sympathetic...
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Angiotensinogen, the precursor molecule of the peptides angiotensin I, II, and III, is synthesized in the brain and the liver. Evidence is reviewed that angiotensin II, and possibly angiotensin III, that are generated within the brain act within neural circuits of the central nervous system to regulate body fluid balance. Immunohistochemical studies in the rat brain have provided evidence of an...
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Angiotensin II and atrial natriuretic peptide (ANP) play important and opposite roles in the control of water and salt intake, with angiotensin II promoting the intake of both and ANP inhibiting the intake of both. Following blood volume expansion, baroreceptor input to the brainstem induces the release of ANP within the hypothalamus that releases oxytocin (OT) that acts on its receptors in the...
متن کاملProrenin and its ancient receptor.
Prorenin, the precursor of renin, has for a long time been considered to be functionally inert, despite high circulating concentrations. Plasma levels of prorenin usually exceed renin levels and are even further increased under pathological conditions, such as in diabetes. First support of a functional significance of prorenin came from studies in transgenic rats, which overexpress a renin gene...
متن کاملThe prorenin receptor: what's in a name.
The discovery of the prorenin receptor, now nearly a decade ago, altered our view of the renin-angiotensin system (RAS).1,2 Binding of prorenin, the inactive precursor of renin, to the prorenin receptor results in full catalytic activity of prorenin through a nonproteolytic mechanism that likely involves a conformational change by which the prosegment moves out of the catalytic cleft, which the...
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ژورنال
عنوان ژورنال: American Journal of Physiology-Regulatory, Integrative and Comparative Physiology
سال: 2013
ISSN: 0363-6119,1522-1490
DOI: 10.1152/ajpregu.00209.2013