نتایج جستجو برای: nitric oxide removal

تعداد نتایج: 316465  

Journal: :novelty in biomedicine 0
mohammad reza afarinesh department of physiology, faculty of medicine, shahid beheshti university of medical sciences, tehran, iran gila behzadi neurophysiology research center, shahid beheshti university of medical sciences, tehran, iran

background: the rodent somatosensory barrel cortex is an ideal model to examine the effect of experience-dependent plasticity on developing brain circuitry. sensory deprivation such as whisker deprivation may affect neuroanatomical aspects of the brain during developmental processes. the present study designed to investigate the possible effects of whisker deprivation on the morphometric charac...

Journal: :gene, cell and tissue 0
saeedeh salimi cellular and molecular research center, zahedan university of medical sciences, zahedan, ir iran; department of clinical biochemistry, school of medicine, zahedan university of medical sciences, zahedan, ir iran; cellular and molecular research center, zahedan university of medical sciences, zahedan, ir iran. tel: +98-5433295728, fax: +98-5433295728

Journal: :iranian journal of pharmaceutical research 0
f ghiafeh davoodi m javan a ahmadiani

it has been shown that stress and chronic pain could prevent the development of tolerance to morphine analgesia, which appears to be related to the activation of hypothalamus–pitutitary–adrenal (hpa) axis, activation of neuroendocrine systems and changes in neurochemical levels. moreover, the involvement of nitric oxide (no) in the development of tolerance to morphine analgesia has been implica...

Journal: :acta medica iranica 0
zakieh vahedian school of medicine, tehran university of medical sciences, tehran, iran. fatemeh nabavizadeh department of physiology, school of medicine, tehran university of medical sciences, tehran, iran. mansoor keshavarz department of physiology, school of medicine, tehran university of medical sciences, tehran, iran. jalal vahedian department of general surgery, school of medicine, tehran university of medical sciences, tehran, iran. fatemeh mirershadi master science of physiology, ardabil azad university, ardabil, iran.

sub chronic exposure to lead in rats slows gastric emptying, but little is known about the effects of lead on gastric secretion. this study was designed to investigate the effects of lead on gastric acid secretion and its possible mechanisms in rats. lead acetate was dissolved in drinking water in a concentration of 1%. sodium acetate-containing water with a molar concentration similar to lead ...

Journal: :anatomical sciences journal 0
sara saeednia dept, anatomy, baqiyatallah university of medical sciences, tehran, iran. hossein bahadoran dept, anatomy, baqiyatallah university of medical sciences, tehran, iran. fardin amidi dept, anatomy, tehran university of medical sciences, tehran, iran. mohammad hossein asadi dept, anatomy, baqiyatallah university of medical sciences, tehran, iran.

introduction: infertility is a common phenomenon in modern societies. today, use of assisted reproductive technologies (arts) for treatment of infertility is common, and cryopreservation is one of these technologies. cryopreservation has impact on the function and percentage of fertility of human sperm. in this study, motility, viability, nitric oxide, and dna apoptosis were assessed before and...

Journal: :journal of paramedical sciences 0
leila zarmakhi department of genetics,islamic azad university,tehran medical branch,tehran ,iran mehrdad hashemi department of genetics,islamic azad university,tehran medical branch,tehran ,iran

nitric oxide is an important vasorelaxant factor that it inhibits platelet adhesion and proliferation of smooth muscle cells. no is synthesized from l-arginine by means of endothelial nitric oxide synthase (enos) which is an isoform of  nitric oxide synthase.in the present study, we examined  possible association between the 27 base pair (bp) repeat  polymorphism in intron 4 of the  enos3 gene ...

Hassanpour H Heidari Nasirabadi M, Hematian Khayat S Khalili Sadr Abad E

Background: Chicken sertoli cells are a model to evaluate the effects of toxic Materialss. These cells can actively proliferate in the in vitro conditions and they are able to passage several times. Because of the widespread use of nanosilver in life and also few studies on the effects of these Materialss on different cell lines, evaluation of its toxic effects is felt. Mechanism of nanosilver ...

Journal: :Endocrinology 1997
E Masini D Bani M G Bello M Bigazzi P F Mannaioni T B Sacchi

Relaxin was previously shown to cause coronary vasodilation and to inhibit mast cell activation through a stimulation of endogenous nitric oxide production. This suggests that relaxin may have beneficial effects on ischemia-reperfusion-induced myocardial injury, which is triggered by endothelial damage and impaired nitric oxide generation. In this study, we tested the effect of relaxin on isola...

Journal: :The Journal of biological chemistry 1999
I Pérez-Mato C Castro F A Ruiz F J Corrales J M Mato

S-Adenosylmethionine serves as the methyl donor for many biological methylation reactions and provides the propylamine group for the synthesis of polyamines. S-Adenosylmethionine is synthesized from methionine and ATP by the enzyme methionine adenosyltransferase. The cellular factors regulating S-adenosylmethionine synthesis have not been well defined. Here we show that in rat hepatocytes S-nit...

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. Me...

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