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    Effects of Quercetin on Cisplatin-Induced Renal Damage in Wistar Albino Rats
    (Galenos Publ House, 2022) Cetinavci, Dilan; Elbe, Hulya; Taslidere, Elif; Bostancieri, Nuray; Taslidere, Asli
    Aim: Cisplatin is one of the effective antineoplastic drugs widely used in the treatment of many types of cancer. Cisplatin has harmful effects such as nephrotoxicity, ototoxicity and cardiomyopathy. Quercetin is an antioxidant of the flavonoid group. In this study, it was aimed to investigate the therapeutic effects of quercetin against cisplatin-induced kidney damage in rats. Materials and Methods: Twenty-eight male Wistar albino rats were randomly selected and divided into 4 groups: Group 1: Control (no application), Group 2: Quercetin (25 mg/kg/7 days/intraperitoneal), Group 3: Cisplatin (7 mg/kg/single dose/ intraperitoneal), Group 4: Cisplatin+quercetin (7 mg) /kg/single dose/ intraperitoneal cisplatin followed by 25 mg/kg/7 days/ intraperitoneal quercetin). After routine histological follow-up, hematoxylin eosin and periodic acid-schiff staining were performed. Histopathological damage score was calculated. Caspase-3 immunostaining was performed and scored. Results: Control and quercetin groups had normal histological appearance. In the cisplatin group, dilatation of the tubules, epithelial shedding, vacuolization of the tubular epithelial cells, and loss of microvilli in the proximal tubules were detected. In addition, infiltration areas were also found in places. In addition, an increase in caspase-3 immunostaining intensity was detected in this group (p=0.000). Histopathological findings were significantly reduced in the cisplatin+quercetin group compared to the cisplatin group (p=0.001). Conclusion: In this study, we think that quercetin is histopathologically beneficial in the treatment of cisplatin-induced kidney damage.
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    Protective effects of quercetin against testis damage caused by cisplatin
    (Taylor & Francis Ltd, 2022) Bostancieri, Nuray; Taslidere, Asli; Elbe, Hulya; Taslidere, Elif
    We investigated the effects of quercetin on cisplatin induced testicular toxicity using histopathological, immunohistochemical and biochemical methods. We used four groups of Wistar albino male: control, quercetin, cisplatin, cisplatin + quercetin. We measured tissue malondialdehyde (MDA) and catalase (CAT) biochemically. We assessed apoptosis as indicated by P63 immunoreactivity. Testis tissues of the control group exhibited normal histology. In the cisplatin group, the diameter of the seminiferous tubule and thickness of the germinal epithelium were decreased compared to the control group. In the cisplatin group, degeneration of the germinal epithelium, cell separation from the basal membrane, giant cell formation, cell loss, atrophy and vacuolization were observed in the seminiferous tubule. We found hyalinization around the seminiferous tubule, intertubule hyalinization and perivascular fibrosis. In the cisplatin + quercetin group, we found that quercetin decreased atrophy, giant cell formation and vacuolization significantly. We found that quercetin exhibited ameliorative effects following cisplatin induced testicular damage.