AIM To investigate the role of erythrocyte free radical scavenging enzyme activities (FRSE), carbonic anhydrase (CA) activity and malondialdehyde (MDA) in infants with myelomeningocele (MM). MATERIAL AND METHODS We compared antioxidant enzyme activities and MDA level in 40 individuals (10 infants with MM, 10 healthy infants; and mothers of these two groups) with age-matched subjects. Erythroc...

Anthocyanins are thought to have antioxidant effects in the body. The effects of two anthocyanins, malvidin and peonidin, on activity of antioxidant enzymes, glutathione-Stransferase (GST), glutathione reductase (GR), and glutathione peroxidase (GPx), were examined in HT-29 human adenocarcinoma cells. Cells were treated with each anthocyanin or a combination of both at concentrations of 0, 5, a...

The present investigation was executed with an objective to study the effects of Co stress in Arachis hypogaea L. with special emphasis on antioxidant enzymes activities which are the defense mechanism to any type of abiotic stress. In this we have analysed the effect of cobalt (Co) stress on antioxidant enzyme activities (catalase, peroxidase and polyphenol oxidase) of Arachis hypogaea L. were...

Exercise increases metabolic rate and the production of reactive oxygen species (ROS) but also elevates protein turnover. ROS cause damage to macromolecules (e.g., proteins) and thereby contribute to aging. Protein turnover removes and replaces damaged proteins. The balance between these two responses may underlie beneficial effects of physical activity on aging. Effects of lifelong exercise on...

Background: Blood is permanently exposed to oxidation stress and therefore has a high antioxidants capacity. Many different factors increasing the demand for the antioxidant capacity can be observed in the stored blood of donors. Consequently, damage to erythrocytes by free radicals may occur. So it is useful to control the alternation of anti-oxidant enzymes in stored blood at different days o...

Living with oxygen is basically unsafe, but vital. During evolution, oxygen originally a waste product of the metabolism in primitive unicellular organisms became normal product of the metabolism in higher animal species involving humans. Even when oxidative reactions are toxic, and destructive, they are tolerated by all organisms to some extent. The fact has opened the discussion about efficie...

This study was conducted inside the wire house of Department Biology/ College Education for Pure Science/ Mosul University agricultural season 2018- 2019 to test effect vegetative and root residues Medicago satival on chemical content antioxidant enzyme fenugreek plant Trigonella foenum- graecum L. (Iraq Indian) growth under three different levels field capacity (25, 50 75%). The experiment des...

This study was designed in such a way to assess the toxicity effect of 2,4D (Dichlorophenoxyacetic acid) pesticide in fish physiology and its antioxidant stress. Channa striatus fish were administered with two different doses compensation of 2,4-D pesticide of 100 and 200 mg/kg. After a matter of time interval the effect of 2,4-D on fish behavior and its toxic level was determined by assessing ...

Substantial evidence supports a key role for reactive oxygen species (ROS) in causing cumulative damage to cellular macromolecules, thereby contributing to senescence. Antioxidants can scavenge ROS while protein turnover removes and replaces oxidized proteins. How these defence systems vary with age and with metabolic demand is not well known. In the present study 2H5-phenylalanine was injected...

AIMS/BACKGROUND Oxidative damage has been proposed to be involved in the pathogenesis of age-related macular degeneration (ARMD). The purpose of this study was to evaluate whether red blood cell antioxidant enzyme activity correlates with severity of aging maculopathy in affected individuals. METHODS Blood samples were obtained from 54 patients with varying severity of aging maculopathy and 1...