نتایج جستجو برای: l name
تعداد نتایج: 765896 فیلتر نتایج به سال:
To assess the role of nitric oxide (NO) in central thermoregulatory mechanisms during exercise, 1.43 micromol (2 microL) of N(omega)-nitro-L-arginine methyl ester (L-NAME, n=6), a NO synthase inhibitor, or 2 microL of 0.15M NaCl (SAL, n=6) was injected into the lateral cerebral ventricle of male Wistar rats immediately before the animals started running (18 m min(-1), 5% inclination). Core (Tb)...
The present study evaluated the possible changes in the autonomic control of heart rate in the hypertensive model induced by the inhibition of nitric oxide synthase. Rats were treated with N(G)-nitro-L-arginine methyl ester (L-NAME group) in the drinking water during 7 days, whereas control groups were treated with tap water (control group) or with the N(G)-nitro-D-arginine methyl ester (D-NAME...
براى بررسى اثر ترکیبی تمرینات منظم دویدن روی نوارگردان و صمغ گیاهی بر شاخص هاى عملکردى شامل و ساختارى (اسکلروز گلومرولى) کلیه در پرفشار خونى مزمن، سی (BUN) کراتینین و نیتروژن اوره اى 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 هوازى+ صمغ گیاهى باریجه تقسیم شدند. براى ایجاد پرفشار خونى، محلول L-NAME میلی گرم ...
Our goal was to assess the cardiovascular and renal protection afforded by angiotensin II type 1-receptor blockade against NG-nitro-L-arginine methyl ester (L-NAME)-exacerbated hypertension in young spontaneously hypertensive rats (SHR), in comparison with the antihypertensive drug, hydralazine. Male SHR were assigned to four groups (n=8 per group): no treatment (controls); L-NAME-treated group...
BACKGROUND This study analyzed whether hypertension induced by N(omega)-nitro-l-arginine methyl ester (L-NAME) is associated with dysregulation of the main antioxidant enzymes (superoxide dismutase [SOD], catalase, glutathione peroxidase [GPX], and glutathione reductase [GR]) and whether chronic administration of tempol ameliorates this hypertension. METHODS Four groups of male Wistar rats we...
Background: According to increased consumption of supplements especially during pregnancy and the teratogenic impact some they on evolution the vital systems of embryos. The purpose of this study to Improve the health of the fetus and prevention of cardiovascular abnormalities as the most common cause of infant mortality. We examined the effects of L-Arginine and L-NAME administration on fetal ...
Previous studies suggest that nitric oxide (NO) may play a role in sleep regulation, particularly in the homeostatic process. The present studies were undertaken to compare the sleep effects of injecting a NO synthase (NOS) inhibitor when homeostatic sleep pressure is naturally highest (light onset) or when it is at its nadir (dark onset) in rats. Sleep, electroencephalogram delta-wave activity...
The purpose of this study was to determine whether nitric oxide (NO) contributes to the hypotensive state induced by prolonged environmental heat (EH) stress. Ketamine-anesthetized rats were instrumented for the measurement of arterial blood pressure, electrocardiogram, and temperature at four sites. Rats were exposed to EH (ambient temperature, 40 +/- 1 degrees C) until mean arterial blood pre...
OBJECTIVES We investigated the influence of sildenafil on cardiac contractility and diastolic relaxation and examined the distribution of phosphodiesterase-5 in the hearts of hypertensive rats that were treated with by NG-nitro-L-arginine methyl ester (L-NAME). METHODS Male Wistar rats were treated with L-NAME and/or sildenafil for eight weeks. The Langendorff method was used to examine the e...
Flow-induced dilation of gracilis muscle arterioles was examined in both genders of control rats and rats chronically treated with N(omega)-nitro-L-arginine methyl ester (L-NAME). After L-NAME treatment (4 wk), systolic blood pressure was significantly increased compared with control, whereas the plasma concentration of nitrate/nitrite was significantly reduced. Isolated and pressurized arterio...
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