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Elif Agacayak,1 Serdar Basaranoglu,2 Senem Yaman Tunc,1 Mehmet Sait Icen,1 Fatih Mehmet Findik,1 Ibrahim Kaplan,3 Osman Evliyaoglu,3 Talip Gul1 1Department of Obstetrics and Gynecology, Dicle University School of Medicine, Diyarbakir, Turkey; 2Department of Obstetrics and Gynecology, Idil State Hospital, Sirnak, Turkey; 3Department of Biochemistry, Dicle University School of Medicine, Diyarbakir, Turkey Introduction: The aim of this study was to investigate whether estradiol (E2), E2 combined with progesterone (Prog) (E2/Prog), and genistein (Gen) treatment had antioxidative and antihyperlipidemic effects in the plasma of ovariectomized (OVX) rats.Materials and methods: Adult female Sprague–Dawley rats were divided into five groups. Rats in all groups, except for those in a sham group, underwent bilateral ovariectomy under general anesthesia. The groups were as follows: sham group; control OVX group; group treated with estrogen (0.014 mg/kg 17-β E2); group treated with a combination of E2 and Prog (0.014mg/kg 17-β E2 plus 0.028 mg/kg drospirenone), and group treated with Gen (10 mg/kg/day). Plasma of rats of each treatment group was analyzed to determine the total antioxidant status, total oxidant status, paraoxonase activity, lipid profile, high-density lipoprotein (HDL-chol), low-density lipoprotein (LDL-chol), total cholesterol (Total-C), triacylglycerols, lipoprotein (a), and oxidative stress index.Results: Plasma Total-C levels and body weight increased in all the OVX groups compared with the sham group (P

Senem Yaman Tunc,1 Elif Agacayak,1 Neval Yaman Goruk,2 Mehmet Sait Icen,1 Abdulkadir Turgut,1 Ulas Alabalik,3 Cihan Togrul,4 Cenap Ekinci,5 Aysun Ekinci,6 Talip Gul1 1Department of Obstetrics and Gynecology, School of Medicine, Dicle University, 2Department of Obstetrics and Gynecology, Diyarbakir Memorial Hospital, 3Department of Pathology, School of Medicine, Dicle University, Diyarbakir, 4Department of Obstetrics and Gynecology, School of Medicine, Hitit University, Corum, 5Department of Histology and Embryology, 6Department of Medical Biochemistry, School of Medicine, Dicle University, Diyarbakir, Turkey Aim: The purpose of this study was to investigate the protective effect of honokiol on experimental ischemia/reperfusion injury of rat ovary.Materials and methods: A total of 40 female Wistar albino rats were used in this study. The rats were divided into five groups as follows: sham (Group I), torsion (Group II), torsion + detorsion (Group III), torsion + detorsion + saline (Group IV), and torsion + detorsion + honokiol (Group V). Bilateral adnexa in all the rats except for those in the sham group were exposed to torsion for 3hours. The rats in Group IV were administered saline, whereas the rats in Group V were administered honokiol by intraperitoneal route 30minutes before detorsion. Tissue and plasma concentrations of malondialdehyde and nitric oxide were determined. Ovarian tissue was histologically evaluated. Data analyses were performed by means of Kruskal–Wallis test and Mann–Whitney U-test (Bonferroni correction) in SPSS 15.0 (Statistical Package for Social Sciences; SPSS Inc., Chicago, IL, USA).Results: The torsion and detorsion groups had higher scores in vascular congestion, hemorrhage, and inflammatory cell infiltration compared with the sham group (P