نتایج جستجو برای: glutathione s transferases
تعداد نتایج: 737352 فیلتر نتایج به سال:
PURPOSE Green tea consumption has been associated with decreased risk of certain types of cancers in humans. Induction of detoxification enzymes has been suggested as one of the biochemical mechanisms responsible for the cancer-preventive effect of green tea. We conducted this clinical study to determine the effect of repeated green tea polyphenol administration on a major group of detoxificati...
OBJECTIVE To study the levels of glutathione S-transferase Alpha 1-1 and glutathione S-transferase Pi 1-1 in human preovulatory ovarian follicular fluid (FF) and pooled granulosa and cumulus cells. DESIGN The relation of glutathione S-transferase Alpha 1-1 and glutathione S-transferase Pi 1-1 with P and 17 beta-E2 concentrations were studied. SETTING The Department of Obstetrics and Gynecol...
Glutathione S-transferases (GSTs) are enzymes detoxifying a wide range of hazardous substances both of endogenous or exogenous origin, such as reactive oxygen species (ROS) or xenobiotics and environmental carcinogens; thereby imparting protection to DNA against oxidative damage. GST gene polymorphisms on the other hand, exert an effect on the functioning of enzymes encoded by these genes at bo...
Cytotoxicity of Adriamycin on human colon adenocarcinoma cell lines was investigated. Concentrations of Adriamycin producing 50% inhibition were very similar in HT29, Sw480, Sw620, and Sw1116 cells, whereas Caco-2 cells were relatively insensitive. As compared to the Sw1116 cell line, Caco-2 cells were also insensitive to mitoxantrone. Sensitivity to cisplatin, 5-fluorouracil, or ethacrynic aci...
Glutathione S-transferase activities have been identified in the small intestine of the rat. Thrree activities obtained with p-nitrobenzyl chloride (aralkyl), 1,2-epoxy-3(p-nitrophenoxy)propane (epoxide), and ethacrynic acid (alkene) as substrates were present in significant amounts. Gel filtration indicated an elution volume for the intestinal transferase activities that was similar to those a...
Glutathione S-transfenase activities have been identified in the small intestine of the rat. Thmreeactivities obtained with p-nitrobenzyl chloride (aralkyl), 1,2-epoxy-3-(p-nitro phenoxy)propane (epoxide), and ethacrynic acid (alkene) as substrates were present in significant amounts. Gel filtra tion indicated an elution volume for the intestinal transfer ase activities that was similar to thos...
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