نتایج جستجو برای: antioxidant enzymes
تعداد نتایج: 209567 فیلتر نتایج به سال:
We evaluated the effect of overexpressing antioxidant enzymes on the lifespans of transgenic mice that overexpress copper zinc superoxide dismutase (CuZnSOD), catalase, or combinations of either CuZnSOD and catalase or CuZnSOD and manganese superoxide dismutase (MnSOD). Our results show that the overexpression of these major antioxidant enzymes, which are known to scavenge superoxide and hydrog...
In plants, epigenetic changes have been identified as regulators of developmental events during normal growth as well as environmental stress exposures. Flavonoid biosynthetic and antioxidant pathways play a significant role in plant defence during their exposure to environmental cues. The aim of this study was to unravel whether genes encoding enzymes of flavonoid biosynthetic and antioxidant ...
The present study aimed to describe the expression and purification of cyclophilin-type peptidylprolyl cis-trans isomerase (PPI) from the red alga Pyropia yezoensis. The antioxidant activity of the purified protein was also demonstrated, based on its ability to act against oxidative stress in HepG2 human hepatocellular carcinoma cells. HepG2 cells that were treated with recombinant PPI protein ...
Salinity is one of the important environmental factors that limit plant growth and product. Grapes are classified as salt sensitive plants. This paper attempts to evaluate the salinity effects on membrane lipid peroxidation, antioxidant components and antioxidative enzymes activity in four grape genotypes (Vitis vinifera L., Gharashani, LaaleBidaneh, Sachagh and Shahroodi) that commonly grow in...
The aims of present study were to investigate the effects of Chicory (Cichorium intybus L.) and Hypericum perforatum extracts on immune indices and antioxidant enzymes activity of rainbow trout (Oncorhynchus mykiss). For this purpose, 720 fish with an average weight of 100±5 g were randomly allocated to four distinct treatments including: a control group, 3% chicory extract, 3% extract of H. pe...
Increasing the altitude causes extensive changes in the environmental conditions. Three species of Quercus brantii Lindl., Pistacia atlantica Desf. and Crataegus pontica C. Koch. are the dominant species in the forests of Ilam province. The sampling was done from Qalajeh Mountain at the altitude from 1300-2000 m a.s.l. The effect of altitude on photosynthesis, photosynthetic pigments and some b...
A possible mechanism of liver fluke (Opisthorchis viverrini; Ov) -associated cholangiocarcinoma (CCA) genesis may be imbalance in responses of antioxidant enzymes and/or DNA repair enzymes which are the consequence of oxidative/nitrative stress, arising from inflammatory processes. This study aimed to investigate changes in the expression patterns of antioxidant enzymes, including superoxide di...
Immunogold studies of normal human kidney and common human kidney cancers were performed using polyclonal antibodies to antioxidant enzymes, including antibodies to copper, zinc and manganese superoxide dismutases, catalase, glutathione peroxidase, and glutathione S-transferases and their subunits. Normal tissue adjacent to human renal tumors had the same antioxidant enzyme immunoreactive prote...
TURKYILMAZ UNAL, B., L. Y. AKTAS and A. GUVEN, 2014. Effects of salinity on antioxidant enzymes and proline in leaves of barley seedlings in different growth stages. Bulg. J. Agric. Sci., 20: 883-887 The participation of antioxidant defence under mild and severe salt stress conditions (120 and 240 mM) on barley (Hordeum vulgare L.) seedlings in different growth stages, antioxidant enzyme (super...
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