Browsing by Author "Coban, Taha Abdulkadir"

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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.
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    Serum YKL-40/chitinase 3-Like Protein 1 Level Is an Independent Predictor of Atherosclerosis Development in Patients with Obstructive Sleep Apnea Syndrome
    (2015) Bakirci, Eftal Murat; Unver, Edhem; Degirmenci, Husnu; Kivanc, Tulay; Gunay, Murat; Hamur, Hikmet; Buyuklu, Mutlu; Ceyhun, Gokhan; Topal, Ergun; Coban, Taha Abdulkadir; 26142786
    Objective: The inflammatory process plays an important role in the development of cardiovascular complications in patients with obstructive sleep apnea syndrome (OSAS). YKL-40/chitinase 3-like protein 1 is a novel biomarker of systemic inflammation. This study aimed to investigate whether carotid intima-media thickness (CIMT), a useful marker for early atherosclerosis, is associated with serum YKL-40/chitinase 3-like protein 1 levels in patients with normotensive and nondiabetic OSAS. Methods: The study included 40 OSAS patients and 40 agesex- and body mass index-matched healthy controls. Serum YKL-40 levels were detected by enzyme-linked immunosorbent assay. CIMT was measured by B-mode ultrasound. Results: The patients with OSAS had significantly increased CIMT and higher YKL-40 and high sensitivity C-reactive protein (hsCRP) levels than those of the controls. CIMT was strongly correlated with serum YKL-40 levels (r=0.694, p<0.001), hsCRP (r=0.622, p<0.001), age (r=0.525, p=0.001), and weakly correlated with apnea-hypopnea index (AHI) (r=0.365, p=0.021) and the percentage of recording time spent (PRTS) of oxygen saturation <90% (r=0.488, p=0.001). Moreover, it was detected that serum YKL-40 levels were strongly correlated with AHI (r=0.617, p<0.001), and weakly correlated with SaO 2 <90% of PRTS (r=0.394, p=0.012) and hsCRP (r=0.486, p=0.001). In multiple regression analyses, age and serum levels of YKL-40 and hsCRP were found to be independent predictors of CIMT. Conclusion: In patients with OSAS, CIMT was increased. This increase was associated with serum YKL-40 level. Increased serum level of YKL-40 may be an early predictor of atherosclerosis development in patients with OSAS.