2012
DOI: 10.18097/pbmc20125805573
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The activity of the first line enzymes of the antioxidant defence in the liver of pubertal rats during stress

Abstract: The purpose of the work was to study the activity of the first line antioxidant defence enzymes in postmitochondrial fraction of liver of pubertal rats during immobilization stress. During short-term immobilization the activity of catalase and glutathione peroxidase (GPx) decreased. Long-term immobilization was accompanied by activation of GPx and superoxide dismutase in the liver postmitochondrial fraction of late pubertal and adult animals, but not early pubertal rats.

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Cited by 7 publications
(8 citation statements)
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“…Therefore, the primary cultured broiler hepatocytes may be a good stress model, which could be used to evaluate the protective effects and elucidate the mechanisms of Zn against heat stress on the liver tissue. The CuZnSOD and MT are important endogenous antioxidants that scavenge ROS, and their expression levels reflect the antioxidant ability of cells ( Alscher et al., 2005 ; Volkova et al., 2012 ). In Exp.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…Therefore, the primary cultured broiler hepatocytes may be a good stress model, which could be used to evaluate the protective effects and elucidate the mechanisms of Zn against heat stress on the liver tissue. The CuZnSOD and MT are important endogenous antioxidants that scavenge ROS, and their expression levels reflect the antioxidant ability of cells ( Alscher et al., 2005 ; Volkova et al., 2012 ). In Exp.…”
Section: Discussionmentioning
confidence: 99%
“…In response to oxidative stress, organisms have evolved many defense mechanisms including endogenous antioxidants and stress proteins. Copper zinc superoxide dismutase (CuZnSOD) and metallothionein (MT) are considered endogenous ROS scavengers that confer protection against oxidative stress in organisms ( Alscher et al., 2005 ; Volkova et al., 2012 ). The heat shock proteins (HSP) are a set of stress proteins synthesized in response to various stresses, including heat stress ( Evdonin et al., 2009 ; Xie et al., 2014 ).…”
Section: Introductionmentioning
confidence: 99%
“…В процессе онтогенеза происходит изменение чувствительности организма к оксидативному стрес-су [4,5,6]. Следствием того становится формирование возрастной патологии в пубертатном возрасте и при старении и др.…”
Section: Introductionunclassified
“…Одним из основных ее компонентов явля-ются ферменты, катализирующие окислительно-восстановительные превращения карбонильных продуктов свободнорадикального окисления. К ним относится целое семейство альдокеторедуктаз (аль-дегидредуктазы и альдозоредуктазы), участвующих в восстановлении цитотоксических альдегидов в малотоксические спирты [7,8,9].В процессе онтогенеза происходит изменение чувствительности организма к оксидативному стрес-су [4,5,6]. Следствием того становится формирование возрастной патологии в пубертатном возрасте и при старении и др.…”
unclassified
“…Oxidative stress occurs when the antioxidant defense system is overwhelmed by the production of ROS. Antioxidants and other cell redox state modulating enzyme systems act as the first-line of defense against ROS in all cellular and extracellular compartments (3). Superoxide dismutase (SOD), CAT, and GSH-PX are the most important antioxidant enzymes against ROS.…”
mentioning
confidence: 99%