نتایج جستجو برای: antioxidant enzymes
تعداد نتایج: 209567 فیلتر نتایج به سال:
Molybdenum (Mo) has been reported to alleviate drought stress by enhancing antioxidant defense in plants, but the underlying mechanism remains unclear. Here, we hypothesized that Mo mediates nitric oxide (NO)-induced antioxidant defense through Mo-enzymes, particularly by nitrate reductase (NR) in wheat under drought stress. The 30-day-old wheat seedlings cultivated in -Mo (0 μM Mo) and +Mo (1 ...
In order to gain insight into the antioxidant effect of cinnamon (Cinnamomum verum; Lauraceae) and cardamom (Amomum subulatum; Zingiberaceae) hepatic and cardiac antioxidant enzymes, glutathione (GSH) content and lipid conjugated dienes were studied in rats fed high fat diet along with cinnamon or cardamom. The antioxidant enzyme activities were found to be significantly enhanced whereas GSH co...
Abstract Background and objective: There is increasing evidence for the role of oxidative stress in female reproductive tract. The purpose of this study was to determine the activity of antioxidant enzymes during menstrual cycle. In addition, the relationship between activity of antioxidant enzyme and sex hormones was evaluated. Materials and methods: In this study the activity of superoxi...
Aim of the study: Green tea catechin possesses antioxidant and free radical scavenging activity which stimulate detoxification system through selective induction or modification of phase I and phase II metabolic enzymes. This study was carried out to assess the antioxidative and antimetalotoxic effect of green tea Catechin against cadmium chloride in mice. Method: Adult Swiss albino mice were i...
Objectives: Immobilization effects on antioxidant enzymes activities, red-ox variables and rheological parameters of erythrocytes were studied. Background: It is not clear to which extent immobilization-induced oxidative stress may affect erythrocyte rheology. Method: Hematological and red-ox variables, erythrocyte antioxidant enzymes activities, and rheologic parameters of erythrocytes were an...
Antioxidant enzymes protect cells against oxidative stress and are associated with stress tolerance and longevity. In animals, variation in their activities has been shown to relate to species ecology, but in plants, comparative studies with wild species are rare. We investigated activities of five antioxidant enzymes - ascorbate peroxidase (APX), catalase (CAT), glutathione reductase (GR), per...
The aim of the present study was to determine antioxidant defence mechanisms in the rat and Hymenolepis diminuta after long-term infestation. We determined levels of oxidative stress markers, and activity of antioxidant enzymes in the rat small intestine and in particular parts of H. diminuta. Observed changes in antioxidant enzymes activity in H. diminuta and the rat intestine indicate the def...
Impact of Phyllanthus amarus extract on antioxidant enzymes in Drosophila melanogaster N. Manasa, J. S. Ashadevi
BACKGROUND Several studies suggested that women may be more susceptible to oxidative damage induced by cigarette smoking, but the role of smoking status and antioxidant capacity in gender difference in susceptibility to oxidative damage has not been well studied. METHODS We conducted a cross-sectional analysis of the baseline data from 146 current and former heavy smokers enrolled in a chemop...
In sustained severe ischemia, reperfusion with oxygen carriers may result in ischemia-reperfusion injuries because of the release of damaging oxygen radicals. A nanobiotechnology-based polyhemogloin-calatase-superoxide dismutase can prevent this because the oxygen carrier, polyhemoglobin, is linked to antioxidant enzymes, catalase and superoxide dismutase. However, these antioxidant enzymes com...
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