نتایج جستجو برای: glutathione
تعداد نتایج: 42065 فیلتر نتایج به سال:
Glutathione ester prevents buthionine sulfoximine-induced cataracts and lens epithelial cell damage.
Treatment of newborn rats and mice with buthionine sulfoximine, an inhibitor of glutathione synthesis, leads to development of cataracts, which are not prevented by treatment with glutathione, but they are prevented by treatment with glutathione monoester. Cataracts are associated with glutathione deficiency in the lens epithelium, which undergoes severe degeneration. The findings indicate that...
Glutathione plays a pivotal role in protecting plants from environmental stresses, oxidative stress, xenobiotics, and some heavy metals. Arabidopsis plants treated with cadmium or copper responded by increasing transcription of the genes for glutathione synthesis, gamma-glutamylcysteine synthetase and glutathione synthetase, as well as glutathione reductase. The response was specific for those ...
Huntington's disease (HD) is a CAG repeat disorder affecting the HD gene, which encodes for huntingtin (Htt) and is characterized by prominent cell death in the striatum. Oxidative stress was previously implicated in HD neurodegeneration, but the role of the major endogenous antioxidant system, the glutathione redox cycle, has been less studied following expression of full-length mutant Htt (FL...
the present study aimed to evaluate the protective effect of crocin on gastric mucosal lesions caused by ischemia-reperfusion (i/r) injury in rats.forty male rats were randomly divided into sham, control (i/r injury) and three crocin-pretreated groups. to induce i/r lesions, the celiac artery was clamped for 30 min and then the clamp was removed to allow reperfusion for 3 h. pretreated-rats rec...
background the molecular mechanism of hepatitis c-virus (hcv) genome-specific pathogenesis remains unclear. oxidative stress is an important pathophysiological mechanism in chronic hcv infection, but its relation to hcv genotypes has not been thoroughly examined. objectives in the present case-control study, the effect of diverse hcv genotypes on oxidative status changes was investigated. patie...
the aim of this study was to assess the possible association between genetic polymorphisms of the glutathione s-transferase (gst) gene family and the risk of the development of metabolic syndrome (ms) in zoroastrian females in yazd, iran.in this case-control study, gstm1, t1, and p1 polymorphisms were genotyped in 51 randomly selected ms patients and 50 randomly selected healthy controls on feb...
objective: environmental pollution is of major concern today and lead is considered to be one of the most important environmental pollutants. long-term contact with lead causes harmful effects to humans. this study seeks to determine the effects of curcuma longa (turmeric extract) consumption and exercise training on glutathione peroxidase and protein carbonyl in kidney and spleen tissues from ...
background oxidative stress plays a major pathogenic role in liver injury following chronic hepatitis b. glutathione peroxidase (gpx) has a central role in regulating the oxidative state. hepatitis b virus (hbv) results in down-regulation of gpx. on the other hand, iron homeostasis is disrupted in hbv infected patients. therefore, the objective of this study was to assess the interplay of gpx a...
The export of glutathione from cultured human diploid fibroblasts into the surrounding medium was found by isotopic labeling experiments using [35S]cystine and by enzymatic measurements. The major part of the glutathione exported from the cells was found in normal culture medium as mixed disulfide of glutathione and cysteine. Radioactivity of 35S, mostly derived from cellular glutathione, was m...
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