نتایج جستجو برای: gsh depletion
تعداد نتایج: 71935 فیلتر نتایج به سال:
Cytotoxicity in the nasal epithelium is frequently observed in rodents exposed to volatile organic acids and esters by inhalation. An interspecies, hybrid computational fluid dynamics and physiologically based pharmacokinetic (CFD-PBPK) dosimetry model for inhaled ethyl acrylate (EA) is available for estimating internal dose measures for EA, its metabolite acrylic acid (AA), and EA-mediated red...
The glutathione antioxidant system is foremost among the cellular protective mechanisms. Depletion of this small molecule is a common consequence of increased formation of reactive oxygen species during increased cellular activities. This phenomenon can occur in the lymphocytes during the development of the immune response and in the muscular cells during strenuous exercise. It is not surprisin...
Selenium plays a role in the antioxidant mechanism via the selenoenzyme glutathione peroxidase (GSH-Px). Change in Se status because of Se depletion or supplementation is associated with a change in GSH-Px activity and could potentially affect antioxidant status. This study evaluated the impact of change in Se status on measures of antioxidant status and oxidative stress in adult horses. Twenty...

 Purpose: To determine the effect of glutathione (GSH) suppressors styrene oxide (SO) and diethyl maleate (DEM) on hepatic expression cytochrome P450 family 1 (Cyp1) isoforms that are related to carcinogenesis including Cyp1a1, Cyp1a2, Cyp1b1.
 Methods: Seven-week-old ICR mice were intraperitoneally injected with SO (150 300 mg/kg/day), DEM (175 350 or N-acetylcysteine (NAC; 600 mg/k...
Glutathione (GSH), a major cellular antioxidant protects cells against oxidative stress injury. Nuclear factor erythroid 2-related factor 2 (NFE2L2/Nrf2) is a redox sensitive master regulator of battery of antioxidant enzymes including those involved in GSH antioxidant machinery. Earlier we reported that ethanol (ETOH) elicits apoptotic death of primary cortical neurons (PCNs) which in partly d...
The effect of haloperidol administration on lipid peroxidation and glutathione/protein thiol homeostasis in the brain was examined 4 h following subcutaneous administration of a single dose of haloperidol; 1.0, 1.5, 2.0 or 2.5 mg/kg b.wt. Glutathione (GSH) levels decreased significantly in cortex, striatum and midbrain after haloperidol administration. Maximal decrease of GSH was observed in th...
Aging, a major risk factor in Alzheimer's disease (AD), is associated with an oxidative redox shift, decreased redox buffer protection, and increased free radical reactive oxygen species (ROS) generation, probably linked to mitochondrial dysfunction. While NADH is the ultimate electron donor for many redox reactions, including oxidative phosphorylation, glutathione (GSH) is the major ROS detoxi...
Numerous basic studies have reported on the neuroprotective properties of several purine derivatives such as caffeine and uric acid (UA). Epidemiological also shown inverse association appropriate intake or serum urate levels with neurodegenerative diseases Alzheimer disease (AD) Parkinson’s (PD). The well-established mechanisms UA involve adenosine A2A receptor antagonism antioxidant activity,...
We established an in vitro model to study the influence of ifosfamide treatment on intracellular glutathione (GSH) levels in activated human effector cells with specific phenotypes and immunologic functions. Besides its role as the major intracellular reductant, GSH has been shown to affect the initiation and progression of lymphocyte activation after stimulation with lectins. An incubation of ...
GSH is mostly considered a non-enzymatic antioxidant that serves for modulating the redox status of protein thiols, detoxification and direct scavenging activity of oxyradicals. Within the cells, GSH has also the role to buffer the flux of nitric oxide (NO), which in the nervous system is physiologically produced being an important neuromodulator and neurotransmitter. However, this role of GSH ...
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