Browsing by Author "Colluoglu, Cagdas"

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    Effect of Low and High Dose of Favipiravir on Ovarian and Reproductive Function in Female Rats: Biochemical and Histopathological Evaluation
    (2022) Balci, Serdar; Colluoglu, Cagdas; Yavuzer, Bulent; Bulut, Seval; Altindag, Fikret; Akbas, Nergis; Suleyman, Halis; 36222343
    Favipiravir is a drug which shows antiviral activity by inhibiting RNA-dependent RNA polymerase. Favipiravir causes severe adverse effects at high doses. The aim of this study was to investigate the effects of low and high dose favipiravir on ovarian and reproductive function in female rats. The rats were divided into three groups: HG group (healthy rats), FAV-100 group (rats administered 100 mg/kg favipiravir), and FAV-400 group (rats administered 400 mg/kg favipiravir) with 12 rats in each group. Favipiravir was administered orally twice daily for 1 week. Six rats from each group were euthanized and their ovaries were removed. Oxidative and antioxidant parameters were measured in ovarian tissues and examined histopathologically. The remaining animals were kept to breed. Animals receiving favipiravir had increased oxidant content, decreased antioxidant activity, decreased histopathological damage, infertility, and gestational delay. Favipiravir treatment should be used with caution, especially in women of reproductive age.
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    Effect Of Thymoquinone On Cyclophosphamide-Induced Oxidative And Inflammatory Ovarian Damage In Rat
    (2022) Colluoglu, Cagdas; Balci, Serdar; Gundogdu, Betul; Coban, Taha Abdulkadir; Bulut, Seval; Suleyman, Halis
    This study intends to investigate the effect of thymoquinone against possible ovarian damage and infertility caused by cyclophosphamide in female rats. The rats in the experiment (n=36) were separated into three groups; cyclophosphamide administered, thymoquinone plus cyclophosphamide administered and healthy control. At the end of 30 days of administration, 6 rats from each group were killed and the biochemical and histopathological examinations were performed on the ovarian tissues. The remaining animals were kept in the same cage with mature male rats for two months. Infertility developed in 83% of cyclophosphamide group animals. Thymoquinone attenuated cyclophosphamide-related oxidative and inflammatory ovarian damage and reduced the development of infertility. The outcomes suggest that thymoquinone may be useful in treating infertility due to oxidative and inflammatory ovarian damage.