نتایج جستجو برای: فرآیند تحلیل شبکهای anp
تعداد نتایج: 261051 فیلتر نتایج به سال:
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...
OBJECTIVE To measure atrial natriuretic peptide (ANP) and brain natriuretic peptide (BNP) in control fetuses and fetuses with Rhesus isoimmunisation before and after intravascular transfusion. The current study was designed to investigate the response of ANP and BNP to cardiac short-term and long-term volume load in the human fetus. METHODS Fetal blood samples were collected from 18 human fet...
BACKGROUND Atrial natriuretic peptide (ANP) depresses contractility in left ventricular myocytes. Its expression is upregulated in pressure-overloaded hypertrophied hearts; however, the effects of ANP on contractility in hypertrophied myocytes are not known. Our aims were (1) to examine the cellular mechanisms of this depression in contractility in normal myocytes and (2) to test the hypothesis...
A lipolytic pathway involving natriuretic peptides has recently been discovered in human fat cells. Its functional characteristics and the interactions of the atrial natriuretic peptide (ANP)-induced effects with adrenergic and insulin pathways were studied. Characterization of the action of ANP antagonists, i.e., A71915, anantin, S-28-Y (Ser-28-Tyr, a synthesized peptide), and HS-142-1 (a micr...
مدیریت تکنولوژی در واقع مدیریت سیستمی است که خلق، کسب و بهکارگیری تکنولوژی را ممکن میسازد و شامل مسئولیتی است که این فعالیتها را در راستای خدمت به بشر و برآورده ساختن نیازهای مشتری قرار میدهد. هدف این پژوهش ارزیابی عملکرد مدیریت تکنولوژی در شرکت مپنا بویلر می باشد. لذا این پژوهش از حیث هدف کاربردی و از نوع روش توصیفی – پیمایشی می باشد، در این پژوهش از مدلی با 6 عامل، 12بعد و 36 شاخص که براز...
Atrial natriuretic peptide (ANP) has natriuretic and vasodilator actions that lower arterial pressure and may be beneficial to hypertensive patients. To assess the effects of ANP on left ventricular function in patients with hypertension, we compared it with the pure vasodilator nitroprusside. Simultaneous left ventricular micromanometer pressure and radionuclide volume were obtained at baselin...
The aim of the present study was to determine the relationship between the hypotensive effect of the atrial natriuretic peptide (ANP) and the nitric oxide (NO) pathway. N(G)-nitro-L-arginine methyl ester bolus (L-NAME, 1 mg/kg) reverted the decrease in mean arterial pressure induced by ANP administration (5 microg/kg bolus and 0.2 microg x kg(-1) x min(-1) infusion), and the injection of L-NAME...
Ventricular hypertrophy is characterized by augmentation of synthesis, storage, and release of atrial natriuretic peptide (ANP) from ventricular tissue, but the physiological stimulus for ANP release from ventricles is not known. We determined the effect of graded, passive myocardial stretch on ANP release in isolated, arrested, perfused heart preparations after removal of the atria in 13-20-mo...
Cui, Xun, Jin Fu Wen, Jing Yu Jin, Wen Xie Xu, Sung Zoo Kim, Suhn Hee Kim, Ho Sub Lee, and Kyung Woo Cho. Protein kinase-dependent and Ca2 -independent cAMP inhibition of ANP release in beating rabbit atria. Am J Physiol Regulatory Integrative Comp Physiol 282: R1477–R1489, 2002; 10.1152/ajpregu.00316.2001.—Regulation of atrial release of atrial natriuretic peptide (ANP) is coupled to changes i...
AVP and atrial natriuretic peptide (ANP) have opposite effects in the kidney. AVP induces antidiuresis by insertion of aquaporin-2 (AQP2) water channels into the plasma membrane of collecting duct principal cells. ANP acts as a diuretic factor. An ANP- and nitric oxide (NO)/soluble guanylate cyclase (sGC)-induced insertion of AQP2 into the plasma membrane is reported from different models. Howe...
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