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Articles by Recep Aslan
Total Records ( 2 ) for Recep Aslan
  Yasemin S. Karafakioglu and Recep Aslan
  The present study was designed to determine the possible protective effects of taurine against oxidative damage induced by nonylphenol in rats. The rats were divided into 5 groups each containing 8 Wistar-albino male rats rats: Control group (C) by standart rat feed, Taurine group (T) by standart rat feed + 3% taurine (v w-1) in drinking water, Nonlyphenol group (NF) by standart rat feed + 50 μg kg-1 diet Nonlyphenol, Nonlyphenol + Taurine group (NFT) by standart rat feed + 50 μg kg-1 diet Nonlyphenol + 3% taurine (v w-1) in drinking water and Alchol group (A) by standart rat feed + 50 μL kg-1 diet alchol were fed ad-libitum for 30 days during the study. Malondialdehyde (MDA), reduced Glutathione (GSH) levels, superoxide dismutase activity and Nitric Oxide (NOx) were determined in blood. MDA levels in blood of the rats significantly increased in NF and A group compared to control, T and NFT groups (p<0.05). On the other hand, the blood GSH concentrations significantly decreased in NF group compared to control and other groups (p<0.001). The SOD activities in blood significantly decreased in NF and A groups compared to control, T and NFT groups (p<0.01). The plasma NOx levels in NF group significantly decreased compared to control and other groups (p<0.01). Consequently, taurine could be used as a potential antioxidant aganist nonylphenol toxication with its antioxidant properties.
  Yasemin S. Karafakioglu , Yilmaz Dundar , Recep Aslan , A. Fatih Fidan and I. Hakki Cigerci
  The aim of the study was to evaluate the effects of tobacco harvesting on oxidant-antioxidant status, as well as its biochemical and hematological markers evaluation in women workers. Blood Malondialdehyde (MDA) level, Superoxide Dismutase activity (SOD), plasma Zinc (Zn) concentration, ALT and AST enzyme activity and some hematological parameters were evaluated in women workers (n = 20). Two blood samples were taken from each worker, the first of which was taken in the morning before breakfast, at the day before the first harvest in the 1st week of July and the second, just after the 50 days harvesting period procedure at the end of August. The blood MDA levels increased significantly after harvesting. The mean SOD activity following harvesting season was significantly lower. Whereas, blood Zn levels of groups didn’t show any significant change. After harvest season red blood cell, Hb and Htc levels were found to be significantly decreased compared before harvest season. The ALT concentrations were significantly increased after harvesting compared to before harvesting. Although, AST hand concentrations were significantly decreased after harvesting compared to before harvesting. Consequently, tobacco harvesting is a stressful procedure and induced oxidative stress in blood by decreasing the activities of antioxidant enzymes and generation of free radicals in women workers. Moreover, the antioxidant treatments could provide great advantages for workers to avoid from oxidative stress and maintain a healthy life span.
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