نتایج جستجو برای: adma دی متیل آرژینین نامتقارن
تعداد نتایج: 25646 فیلتر نتایج به سال:
Asymmetric dimethylarginine (ADMA), an endogenous inhibitor of nitric oxide synthase, is elevated in hypercholesterolemia. This study was designed to determine the role of ADMA in the increased mononuclear cell adhesiveness observed in human hypercholesterolemia. In patient studies, plasma ADMA levels were determined by high-performance liquid chromatography. Functional mononuclear leukocyte ad...
محل جمع آوری گیاه: باغ گیاهشناسی ایران فصل جمع آوری گیاه: بهار اندام مورد استفاده: گل روش اسانس گیری: خیساندن در حلال هگزان بازده اسانس: 0.4 درصد نسبت به وزن گیاه خشک ترکیبهای اصلی: لینالول (21%)، 1و7-اکتا دی ان – 3و6 – دی ال ، 2و 6- دی متیل (17%)، ترانس- نرولیدول (11.4%)، آلفا – فارنزن (6.2%)
OBJECTIVE In rheumatoid arthritis (RA), endothelial dysfunction caused by the inflammatory process increases the risk of cardiovascular disease. Asymmetric Dimethylarginine (ADMA) leads to vascular dysfunction, whereas atherosclerosis and increased ADMA is associated with cardiovascular disease risk factors. Flow-mediated Dilation (FMD) is a radiological method to demonstrate endothelial dysfun...
Asymmetrical dimethylarginine (ADMA) is thought to be an endogenous regulator of arteriolar tone by inhibiting NO synthase. However, our previous studies showed that, in isolated arterioles, ADMA induced superoxide production as well. Thus, the mechanisms by which ADMA affects arteriolar tone remain obscure. We hypothesized that ADMA, by activating NAD(P)H oxidase, increases superoxide producti...
BACKGROUND The nitric oxide synthase inhibitor asymmetrical dimethylarginine (ADMA) and the leukocyte-derived hemoprotein myeloperoxidase (MPO) are associated with cardiovascular diseases. Activation of monocytes and polymorphonuclear neutrophils (PMNs) with concomitant release of MPO is regulated in a nitric oxide-dependent fashion. The aim of the study was to investigate a potential 2-way int...
Hypoxia-induced and high altitude pulmonary hypertension are a major problem in the mountain areas of the world. The asymmetric methylarginines (ADMA) inhibit nitric oxide (NO) synthesis by competing with L-arginine, and high levels of plasma ADMA predict adverse outcomes in pulmonary hypertension. However, little is known about the regulation of the ADMA-NO pathway in animals adapted to high a...
BACKGROUND Asymmetric dimethylarginine (ADMA) is an endogenous inhibitor of nitric oxide synthase (NOS). Plasma levels of ADMA are elevated in individuals with hypercholesterolemia or atherosclerosis. We postulated that reduced degradation of ADMA may play a role in the accumulation of ADMA in these individuals. Accordingly, we studied the effects of oxidized LDL (oxLDL) or tumor necrosis facto...
Asymmetric dimethylarginine (ADMA) induces vascular smooth muscle cells (VSMCs) migration. VSMC phenotype change is a prerequisite of migration. RhoA and Rho-kinase (ROCK) mediate migration of VSMCs. We hypothesize that ADMA induces VSMC migration via the activation of Rho/ROCK signal pathway and due to VSMCs phenotype change. ADMA activates Rho/ROCK signal pathway that interpreted by the eleva...
Asymmetric Dimethylarginine and Hypertension in Cerebral Small Vessel Disease To the Editor: We read with great interest the recent article by Khan et al1 dealing with the relationship between the endogenous nitric oxide (NO) synthase inhibitor, asymmetric dimethylarginine (ADMA), and cerebral small vessel disease (SVD). The results of their study demonstrated that the plasma ADMA levels were e...
کمیت و کیفیت مواد موثره در گیاهان دارویی اساساً تحت تاثیر عوامل ژنتیکی قرار دارد ولی عوامل محیطی محل رویش نیز در این میان می‌تواند تاثیر به سزایی داشته باشد. این تحقیق به‌منظور انجام این تحقیق بر روی گونهStachys byzanthina C. Koch.، در تیرماه 1390 از ارتفاع 1800 متری از سطح دریا از رویشگاه مرتعی سوادکوه و کجور نوشهر واقع در استان مازندران از سه نقطه در هر منطقه، به‌صورت تصادفی ...
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