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        Misoprostol alleviates paclitaxel-induced liver damage through its antioxidant and anti-apoptotic effects

        Gür Fatih Mehmet,Aktaş İbrahim,Bilgiç Sedat,Pekince Merve 대한독성 유전단백체 학회 2022 Molecular & cellular toxicology Vol.18 No.3

        Backgrounds Anticancer drugs may damage non-target cells and tissues. One of the biggest reasons for changing or stopping chemotherapy regimens is these adverse effects. Objective This study aimed to investigate the therapeutic and protective efficacy of misoprostol (MP) against the harmful effects of paclitaxel (PAX), an anticancer drug, on normal liver tissue. Results Biochemical examinations revealed that activities of serum aspartate aminotransferase, alanine aminotransferase, and levels of triglyceride, and cholesterol and levels of tissue malondialdehyde increased significantly in the PAX group compared to the control group, and glutathione level decreased. The histological structure of the liver tissue of the control group rats was normal. Histopathological changes, such as focal microvesicular steatosis, sinusoidal dilatation, mononuclear cell infiltration, Councilman bodies, and an increase in apoptosis, were also observed in PAX group. The histopathological changes observed in the PAX group were greatly improved in the PAX + MP group. Conclusion When the obtained data were evaluated, it was concluded that the combined use of PAX with MP could reduce the cytotoxic effects of PAX on normal liver tissue, allowing cancer treatment to be continued uninterrupted and effectively.

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        The Levels of Cortisol and Oxidative Stress and DNA Damage in Child and Adolescent Victims of Sexual Abuse with or without Post-Traumatic Stress Disorder

        S¸eref S¸ims¸ek,Tug˘ba Yüksel,brahim Kaplan,Cem Uysal,Hüseyin Aktas¸ 대한신경정신의학회 2016 PSYCHIATRY INVESTIGATION Vol.13 No.6

        ObjectiveaaThe aim of this study was to investigate whether cortisol and oxidative stress levels and DNA damage differ between individuals who developed PTSD or not following a sexual trauma. MethodsaaThe study included 61 children aged between 5 and 17 years who sustained sexual abuse (M/F: 18/43). The patients were divided into two groups: patients with PTSD and patients without PTSD based, based on the results of a structured psychiatric interview (K-SADS-PL and CAPS-CA). Cortisol, glutathione peroxidase (GPx), superoxide dismutase (SOD), coenzyme Q, 8-Hydroxy-2-Deoxyguanosine (8-OHdG) were all evaluated by the ELISA method. ResultsaaOur evaluation revealed a diagnosis of PTSD in 51% (n=31) of victims. There was no significant difference between the groups with or without PTSD in terms of cortisol, GPx, SOD, coenzyme Q, and 8-OHdG levels. There was no correlation between CAPS scores and GPx, SOD, coenzyme Q, and 8-OHdG levels between patients with or without PTSD. In patients with PTSD, both cortisol and 8-OHdG levels decreased with increasing time after trauma, and there was no significant correlation with cortisol and 8-OHdG levels in patients without PTSD. ConclusionaaAlthough the present study did not find any difference between the groups in terms of 8-OHdG concentrations, the decreases in both cortisol and 8-OHdG levels with increasing time after trauma is considered to indicate a relationship between cortisol and DNA damage.

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