نتایج جستجو برای: arginine methyl ester l
تعداد نتایج: 749095 فیلتر نتایج به سال:
Nitric oxide stimulates intestinal ion transport via the activation of enteric nerves, but it is not known whether it regulates intestinal transport function by acting on the epithelium directly. The aim of this study was to determine the influence of nitric oxide on epithelial electrogenic ion secretion, measured as the short-circuit current (Isc), using the human colonic carcinoma cell line C...
To test the hypothesis that NO contributes to effects of angiotensin-converting enzyme inhibitors on fibrinolysis, fibrinolytic balance was assessed in 17 normal subjects during placebo and after randomized, double-blind 4-week treatment with the NO precursor L-arginine (3 g TID), ramipril (10 mg QD), or L-arginine+ramipril. Neither L-arginine nor ramipril alone affected basal plasminogen activ...
The dibasic amino acid, L-arginine, is a substrate for both nitric oxide synthase (NOS) and arginase and therefore, plays an important role in cell signaling and cell growth. We examined the effects of various NOS inhibitors on L-arginine transport into rat renal brush border membrane (BBM) vesicles. L-Arginine uptake was stimulated in the presence of an inwardly directed Na+ gradient and an im...
The influence of dietary sodium restriction and angiotensin II blockade on hypertension induced by a 25-day period of administration of the inhibitor of nitric oxide synthesis NG-nitro-L-arginine-methyl ester (10 mg/kg twice daily by gavage) was assessed in Wistar rats fed a normal or low sodium diet. In addition, the angiotensin II receptor blocker losartan (30 mg/kg once daily by gavage) was ...
nucleus accumbens (nac) has been considered as a center for the induction of drug dependence. since a high concentration of the enzyme, nitric oxide synthase (nos) has been found in the nac, and this fact that the role of nitric oxide (no) in acquisition and expression of drug dependence has become clear in recent years, therefore in this study the effects of intraaccumbal injections of l-argin...
Highly purified, polymyxin-released, low molecular weight Escherichia coli heat-labile enterotoxin (LT) catalyzed the hydrolysis of NAD to ADP-ribose and nicotinamide. This NAD glycohydrolase activity was stimulated by dithiothreitol and was independent of cellular components. Nicotinamide formation was enhanced by arginine methyl ester > d-arginine congruent with l-arginine congruent with guan...
introduction: nitric oxide (no), as a free radical, involves in several physiologic functions in gi tract such as nerve impulse transmission and vascular tonicity regulation. nitric oxide synthase (nos) is the enzyme for the production of no from l-arginine which in turn inhibits by l-ngnitroarginine methyl ester (l-name). in the current work, we aimed to evaluate morphometric analysis of duode...
Nucleus accumbens (Nac) has been considered as a center for the induction of drug dependence. Since a high concentration of the enzyme, nitric oxide synthase (NOS) has been found in the Nac, and this fact that the role of nitric oxide (NO) in acquisition and expression of drug dependence has become clear in recent years, therefore in this study the effects of intraaccumbal injections of L-argin...
شواهد نشان می دهد که بین تقویت مثبت اپیوئیدها و وابستگی دارویی ارتباط وجود دارد. از مرفین جهت القاء ترجیح مکانی شرطی شده و از نالوکسون برای تظاهر وابستگی دارویی به مرفین استفاده می شود. در این پژوهش، اثرات تزریق (l-name) ng- nitro-l- arginine methyl ester به عنوان مهارگر آنزیم نیتریک اکساید سینتاز و l – آرژینین به عنوان پیش ساز نیتریک اکساید به داخل هسته مرکزی آمیگدال، بر بیان ترک القاء شده با ...
Introduction: Intra-hippocampal CA1 injections of L-arginine, a nitric oxide precursor and NG-Nitro-L-arginine Methyl Ester (L-NAME), a nitric oxide synthase inhibitor, on morphine-induced antinociception in rat formalin test were investigated. Method: To induce inflammation pain, male Wistar rats received subcutaneous (s.c.) injections of formalin (50 μl at 2.5%) once prior to testing. Morphin...
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