نتایج جستجو برای: nitric oxide
تعداد نتایج: 179241 فیلتر نتایج به سال:
background: in some disorders such as diabetes mellitus patients can display depressive symptoms. metformin is among the first-line treatments for management of the type 2 diabetes mellitus which may have some anti-depressant effect. objective: current investigation was performed to examine the anti-depressant effects of metformin and the involvement of nitric oxide (no) in this way, in an expe...
background and objective: nitric oxide (no) plays a role in thermoregulation and growth of protozoa. this work aimed to add the molecule no in physiology of protozoa in contact with abused narcotic substances. materials and methods: a sedative drug, morphine, was infused into a cell chamber containing paramecia . the cell response to the drug was recorded promptly after drug infusion using a po...
estrogen replacement therapy (ert) in postmenopausal women may decrease the risk of coronary artery diseases (cad). we hypothesized that nitric oxide (no) releasing due to ert may be the essential factor by which endothelial permeability decreases. four groups of ovariectomized rabbits were under investigation for five weeks. groups 1 & 4 received high cholesterol diet and other two groups (2 &...
introduction: repeated hyperglycemia play an important role in the development of atherosclerosis in diabetic patients. endothelium is the organ of the first-line defense against atherosclerosis and nitric oxide has a major role in this task. the aim of this study was to determine changes in plasma nitric oxide metabolites concentration during glucose tolerance test in type 2 diabetic rats. met...
background: normal salivary function is considered to be critical for the maintenance of healthy oral mucosa. oral fluids provide an easily available, non-invasive medium for the diagnosis of wide range of diseases and clinical situations. the objective of this study was to estimate and compare salivary nitric oxide levels in patients with oral lichen planus and healthy individuals. aim: to est...
Copper is one of the heavy metal in plant that causes toxicity at high concentration via producing reactive oxygen species. Nitric oxide can protect cells from oxidative stress produce by reactive oxygen species. Effect of different concentrations of copper (1000, 1500 and 2000 μM) and interaction with nitric oxide (100 and 150 μM) were studied on growth parameters (shoot and root length) and s...
objective(s): protein kinase c (pkcα) is involved in modulating articular chondrocytes apoptosis induced by nitric oxide (no). hyaluronic acid (ha) inhibits nitric oxide-induced apoptosis of articular chondrocytes by protecting pkcα, but the mechanism remains unclear. the present study was performed to investigate the effects and mechanisms of pkcα regulate protective effect of hyaluronic acid....
objective(s) single injection of naloxone, a selective antagonist of morphine, prior to the drug conditioning testing was used to investigate on morphine dependence. materials and methods conditioning to morphine (2.5-10 mg/kg, s.c.) was established in adult male wistar rats (weighing 200-250 g) using an unbiased procedure. nitric oxide agents were microinjected into the central amygdala prior ...
objective(s) celecoxib acts through both cox-2-dependent and -independent pathways. according to the paradoxical effect of no on the inflammatory and nociceptive signal processing, the present study designed to evaluate the probable contribution of no in the analgesic and anti-inflammatory properties of celecoxib. materials and methods different intensities of inflammatory pain were induced by ...
introduction: response to morphine and role of nitric oxide (no) on expression of morphine response has been studied in vertebrates. but, little evidence is provided in the matter in earlier invertebrates. this investigation for the first time evaluated the effect of no on expression of morphine potency in paramecium caudatum. methods: animal after isolation from natural media and specific iden...
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