Mehmet Ferit GÜRSU, Özgür BULMUŞ, İhsan YAMAN, Fatih SAKİN, Funda GÜLCÜ BULMUŞ, Mehmet Hamdi MUZ

Protective Effects of Alpha-Lipoic Acid on Oleic Acid-Induced Acute Lung Injury in Rats

Background: Oxidative stress is believed to be an important factor in the pathogenesis of acute lung injury (ALI). Aims: The aim of this study was to investigate the possible protective role of alpha-lipoic acid (?-LA) on oleic acid (OA)-induced ALI in rats.Study Design: Animal experiment.Methods: A total of thirty-five rats were divided into five groups in the study. Group 1 served as a control group. Rats in Group 2 (?-LA) were administered ?-LA intraperitoneally at a dose of 100 mg/kg body weight (BW). Rats in Group 3 (OA) were administered OA intravenously at a dose of 100 mg/kg BW. In Group 4 (pre-OA-?-LA), ?-LA was given 15 minutes prior to OA infusion, and in Group 5 (post-OA-?-LA), ?-LA was given two hours after OA infusion. Four hours after the OA infusion, rats were decapitated. Blood samples were collected to measure serum levels of malondialdehyde (MDA) and glutathione (GSH), and the levels of activity for superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GSH-Px). Lung tissue samples were taken for histopathological examination.Results: Exposure to OA resulted in increases in serum MDA levels (p

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