نتایج جستجو برای: gsh
تعداد نتایج: 10121 فیلتر نتایج به سال:
Hepatocytes from rats that were fed ethanol chronically for 6-8 wk were found to have a modest decrease in cytosolic GSH (24%) and a marked decrease in mitochondrial GSH (65%) as compared with pair-fed controls. Incubation of hepatocytes from ethanol-fed rats for 4 h in modified Fisher's medium revealed a greater absolute and fractional GSH efflux rate than controls with maintenance of constant...
Glutathione peroxidase has been purified to homogeneity from human erythrocytes. The purification steps involved ammonium sulfate precipitation of hemolysate, CM-cellulose (CM-52), DEAE-cellulose (DE52), Sephadex G-200, and DEAE-Sephadex column chromatography. In the last step, i.e. DEAE-Sephadex A-25 column chromatography, the enzyme was eluted in a major peak and tailing fraction. The major p...
Abstrakt Glutation (γ-glutamylocysteinyloglicyna, GSH) jest najbardziej rozpowszechnionym tiolowym antyoksydantem wytwarzanym w cytozolu wszystkich komórek ssaków, który pełni ważną rolę ochronną przed stresem oksydacyjnym. GSH syntetyzowany de novo przez sekwencyjne działanie dwóch enzymów: ligazy γ-glutamylocysteiny (GCL) i syntetazy glutationowej (GS). GCL katalizuje pierwszy etap biosyntezy...
Glutathione (y-Glu-CysH-Gly) (GSH)' is widely distributed in animal tissues, plants, and microorganisms.' It is typically present in high (0.1-10 mM) levels and is thus both the most prevalent cellular thiol and the most abundant low molecular weight peptide. In many cells GSH accounts for more than 90% of the total nonprotein sulfur. GSH was recognized 100 years ago, and its structure was esta...
Alzheimer’s disease is a common neurodegenerative disease. Microglia induces oxidative stress in the brain for engulfing bacteria and viruses. The accumulating data indicate that apoptosis are two main actors induction of microglia activation-induced Disease. Oxidative one many triggers activate transient receptor potential melastatin 2 (TRPM2) channel. Glutathione (GSH) cytosolic antioxidant m...
Bangia fuscopurpurea is a widespread intertidal seaweed that commercially cultured in China. This frequently exposed to hyposalinity stress, but little known about the adaptation mechanisms. Ascorbate−glutathione (AsA−GSH) cycle plays important roles many organisms under variety of abiotic including hyposaline stress. In this study, we investigated response key metabolites and enzymes involved ...
ABCG2 is a key human ATP-binding cassette (ABC) transporter mediating cancer cell chemoresistance. In the case of ABCC1, another multidrug transporter, earlier findings documented that certain modulators greatly increase ABCC1-mediated glutathione (GSH) efflux and, upon depletion of intracellular GSH, induce "collateral sensitivity" leading to the apoptosis of multidrug resistant cells. Recentl...
Enteric glia play an important neuroprotective role in the enteric nervous system (ENS) by producing neuroprotective compounds such as the antioxidant reduced glutathione (GSH). The specific cellular pathways that regulate glial production of GSH and how these pathways are altered during, or contribute to, neuroinflammation in situ and in vivo are not fully understood. We investigated this issu...
Glutathione (GSH) is critical to fight against oxidative stress. Its very low bioavailability limits the interest of a supplementation. The purpose of this study was to compare the bioavailability, the effect on oxidative stress markers and the safety of a new sublingual form of GSH with two commonly used dietary supplements, N-acetylcysteine (NAC) and oral GSH. The study was a three-week rando...
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