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YALÇIN, AHMET SUHA

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AHMET SUHA

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Author: BOZKURT, SÜHEYLA × Subject: GLUTATHIONE ×

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    Whey feeding suppresses the measurement of oxidative stress in experimental burn injury
    (SPRINGER, 2006) YALÇIN, AHMET SUHA; Oner, OZ; Ogunc, AV; Cingi, A; Uyar, SB; Yalcin, AS; Aktan, AO
    Purpose:Burns cause thermal injury to local tissue and trigger systemic acute inflammatory processes, which may lead to multiple distant organ dysfunction. We investigated the protective effect of dietary whey supplementation on distant organs in a rat model. Methods:Forty-eight rats were divided into six groups of eight: groups 1 and 2 were the controls, fed a standard diet and a whey-supplemented diet, respectively; groups 3 and 4 were fed a standard diet and subjected to burn injury; and groups 5 and 6 were fed a whey-supplemented diet and subjected to burn injury. We measured the oxidative stress variables, as well as glutathione in the liver and kidney, and histologically examined skin samples obtained 4h (groups 3 and 5) and 72h (groups 4 and 6) after burn injury. Results:Glutathione (GSH) levels remained the same in the liver but were slightly elevated in the kidneys after burn injury in the rats fed a standard diet. Whey supplementation caused a significant increase in hepatic GSH levels 4h after burn injury. Moreover, there was a significant rebound effect in the liver and kidney GSH levels after 72h and whey supplementation potentiated this effect. Hepatic and renal lipid peroxide levels were also increased 4h after burn injury in the rats fed a standard diet. Whey supplementation significantly suppressed the burn-induced increase in hepatic and renal lipid peroxide levels. Histological examination revealed that although whey supplementation resulted in decreased subepidermal inflammation, the indicators of wound healing and collagen deposition were not improved. Conclusion:Whey pretreatment suppressed hepatic and renal oxidative stress measurements after experimental burn injury.