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    THE CHANGES OF ZINC, COPPER, AND IRON LEVELS IN LUNG TISSUE AFTER FORMALDEHYDE INHALATION DURING THE EARLY POSTNATAL PERIOD OF RATS
    (Modestum Ltd, 2005) Songur, Ahmet; Kus, Ilter; Sahin, Semsettin; Sogut, Sadik; Ozen, Oguz Aslan; Yaman, Mehmet; Sarsilmaz, Mustafa
    Aim: In this study, effects of inhaled formaldehyde ( FA) gas, during early postnatal period on the levels of zinc, copper and iron elements and activity of total superoxide dismutase (t-SOD) enzyme in lung tissue and also the reversibility of effects of formaldehyde were examined. Methods: For this purpose newly born albino Wistar rats were exposed to 0 ( control), 6 or 12 ppm FA gas for 30 days. After the treatment, rats were decapitated in 30th and 90th days. Activities of t-SOD and the levels of zinc, copper and iron were measured in lung samples. Results: A decrease in the t-SOD activity, copper and iron levels and increase in zinc levels were found in the treatment groups in comparison with control group at both 30th and 90th days measurements. Conclusion: It was thought that exposure to FA may alter the trace element levels of lung tissue including copper, zinc and iron, and induce further oxidative damage on lung tissue.
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    Effects of lemon essential oil aroma on the learning behaviors of rats
    (Riyadh Armed Forces Hospital, 2010) Ogeturk, Murat; Kose, Evren; Sarsilmaz, Mustafa; Akpinar, Burhan; Kus, Ilter; Meydan, Sedat
    [Abstract Not Available]
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    Protective effects of omega-3 essential fatty acids against formaldehyde-induced cerebellar damage in rats
    (Sage Publications Inc, 2011) Zararsiz, Ismail; Meydan, Sedat; Sarsilmaz, Mustafa; Songur, Ahmet; Ozen, Oguz Aslan; Sogut, Sadik
    This study aimed to investigate changes in the cerebellum of formaldehyde-exposed rats and the effects of omega-3 fatty acids on these changes. The study involved 21 male Wistar-Albino rats which were divided into three groups. The rats in Group I comprised the control group. The rats in Group II were injected with intraperitoneal 10% formaldehyde every other day. The rats in Group III received omega-3 fatty acids daily while exposed to formaldehyde. At the end of the 14-day experimental period, all rats were killed by decapitation and the cerebellum removed. The activities of catalase (CAT), superoxide dismutase (SOD), glutathione peroxidase (GSH-Px), xanthine oxidase (XO), and malondialdehyde (MDA) levels were determined in cerebellum specimens by using spectrophotometric methods. In our study, levels of SOD and CAT were significantly decreased, and GSH-Px, XO, MDA levels were significantly increased in rats treated with formaldehyde compared with those of the controls. Whereas, it was seen that there was an increase in SOD and CAT enzyme activities and decrease in MDA, XO, and GSH-Px levels in rats administered to omega-3 fatty acids with exposure of formaldehyde. It was determined that exposure of formaldehyde increased free radicals in cerebellum of rats and this increase was prevented by administration of omega-3 fatty acids.