نتایج جستجو برای: l name
تعداد نتایج: 765896 فیلتر نتایج به سال:
BACKGROUND Long-term inhibition of nitric oxide synthase by L-arginine analogues such as N(ω)-nitro-l-arginine methyl ester (L-NAME) has been shown to induce senescence in vitro and systemic hypertension and arteriosclerosis in vivo. We previously reported that plasminogen activator inhibitor-1 (PAI-1)-deficient mice (PAI-1(-/-)) are protected against L-NAME-induced pathologies. In this study, ...
Endothelium-derived nitric oxide (NO) and its precursor L-arginine have been implied to promote angiogenesis, but little is known about the precise mechanism. The inhibition of endogenous NO formation by Nomega-nitro-L-arginine methyl ester (L-NAME) (1 mmol/L) but not its inactive enantiomer D-NAME (1 mmol/L) inhibited endothelial cell sprouting from the scratched edge of the cultured bovine ao...
Background: Nitric oxide is involved in many physiological functions of the body. And its important roles in biological process is still the matter of investigation. Nitric oxide is synthesized from the amino acid L-arginine by NO synthase in the presence of oxygen and NADHP (Nicotinamide Adenine Dinucleotide Phosphate). It has been recognized that NO has many protective roles in the immune sys...
برای بررسی اثر ترکیبی تمرینات منظم دویدن روی نوارگردان و صمغ گیاهی بر شاخص های عملکردی شامل و ساختاری (اسکلروز گلومرولی) کلیه در پرفشار خونی مزمن، سی (bun) کراتینین و نیتروژن اوره ای خون و (l-name) سرموش صحرایی نر ب هطور تصادفی به چهار گروه پایه، شم (سالین)، نیترو ال-آرژنین متیل استر با دوز 10 l-name گروه تمرین هوازی+ صمغ گیاهی باریجه تقسیم شدند. برای ایجاد پرفشار خونی، محلول l-name میلی گرم بر...
زمینه و اهداف: مالتیپل اسکلروزیس از دسته بیمار های خود ایمنی مزمن سیستم عصبی مرکزی با اتیولوژی ناشناخته است. در بیماری مالتیپل اسکلروزیس به دلایل نامشخصی سیستم ایمنی بر علیه برخی از اجزاء پروتئینی سلول های عصبی از جمله میلین تحریک شده و منجر به ضایعات بافتی می گردد. در بیماری مالتیپل اسکلروزیس (ms) میلین رشته های عصبی تخریب می شوند. از لحاظ بافت شناسی مشخصه ی برجسته ی مالتیپل اسکلروزیس (ms) ایج...
We studied the effect of losartan on baroreflex sensitivity (BRS) and heart rate variability (HRV) of adult Wistar rats during acute and chronic inhibition of nitric oxide synthesis by N(G)-nitro-L-arginine methyl ester (L-NAME). Chronic L-NAME administration (50 mg/kg per day for 7 days, orally through gavage) increased mean arterial pressure (MAP), heart rate but significantly decreased BRS. ...
We evaluated the effects of sustained perinatal inhibition of NO synthase (NOS) on hyperoxia induced lung injury in newborn rats. N(G)-nitro-Larginine-methyl-ester (L-NAME) or untreated water was administered to pregnant rats for the final 7 days of gestation and during lactation; followed by postnatal exposure to hyperoxia (>95% O(2)) or room air. The survival rate of L-NAME treated pups when ...
PURPOSE The aim of this study was to define if tadalafil causes detrusor muscle impairment and to observe the effect of combination of tadalafil with tamsulosin on the lower urinary tract of rats with bladder outlet obstruction (BOO) induced by chronic nitric oxide deficiency. MATERIALS AND METHODS Thirty-one male rats were randomized to following groups: 1 - control; 2 - L-Nitroarginine meth...
Because the effects of calcium supplementation on arterial tone in nitric oxide-deficient hypertension are unknown, we investigated the influence of elevating dietary calcium from 1.1 to 3.0% in Wistar rats treated with N(G)-nitro-L-arginine methyl ester (L-NAME; 20 mg. kg(-1). day(-1)) for 8 wk. A high-calcium diet attenuated the development of hypertension induced by L-NAME and abrogated the ...
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