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BİNGÖL ÖZAKPINAR, ÖZLEM

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BİNGÖL ÖZAKPINAR

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ÖZLEM

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2018 - 201912020 - 20221
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Has files: true × Subject: Apoptosis ×

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    PublicationOpen Access
    Synthesis and anticancer activity of novel hydrazone linkage-based aryl sulfonate derivatives as apoptosis inducers
    (SPRINGER BIRKHAUSER, 2022-02) BİNGÖL ÖZAKPINAR, ÖZLEM; Senkardes, Sevil; Han, M. Ihsan; Gurboga, Merve; Ozakpinar, Ozlem Bingol; Kucukguzel, S. Guniz
    In the present study, the various 28 hybrid molecules containing hydrazone and sulfonate moieties were synthesized and characterized by FTIR, H-1-NMR, C-13-NMR spectroscopy and LC-MS spectrometry, besides elemental analysis. The compounds were evaluated for their antiproliferative effects against six cancer cell lines, namely A549 (non-small cell lung cancer), MCF-7 (breast cancer), HT-29 (colorectal adenocarcinoma cancer), PC-3 (androgen-independent prostate adenocarcinoma), Hep3B (hepatocellular carcinoma cancer), and HeLa (epitheloid cervix carcinoma cancer). Among all the target compounds, compounds 4g and 4h exhibited more promising effects on MCF-7 cell lines (IC50 = 17.8 mu M and 21.2 mu M, respectively) with high selectivity. Further mechanistic studies proposed that compounds 4g and 4h induced apoptosis is mediated through the intrinsic apoptotic pathway with changes in mitochondrial membrane potential by finally activating caspase-9 and caspase-3. The results have been encouraging enough to merit further investigation. [GRAPHICS] .
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    PublicationOpen Access
    Effects of dapagliflozin in experimental sepsis model in rats
    (TURKISH ASSOC TRAUMA EMERGENCY SURGERY, 2018) OKUYAN, BETÜL; Kingir, Zehra Betul; Kumral, Zarife Nigar Ozdemir; Cam, Muhammet Emin; Cilingir, Ozlem Tugce; Sekerler, Turgut; Ercan, Feriha; Ozakpinar, Ozlem Bingol; Ozsavci, Derya; Sancar, Mesut; Okuyan, Betul
    BACKGROUND: The aim of this study was to evaluate the possible protective effects of dapagliflozin in an experimental sepsis model in rats. METHODS: Saline (1 mL/kg, p.o.) or dapagliflozin (10 mg/kg, p.o.) was administered to Sprague-Dawley rats for 5 days prior to the surgical procedures. Under anesthesia, sepsis was induced by cecal ligation puncture, while sham control groups underwent laparotomy only. Blood urea nitrogen, creatinine, and glucose levels were measured in serum samples and the levels of malondialdehyde (MDA), glutathione (GSH), myeloperoxidase (MPO), tumor necrosis factor alpha, interleukin 1 beta, caspase 8, and caspase 9 were determined in tissue samples (kidney, liver, and lung). Histological evaluation was also performed. RESULTS: The administration of dapagliflozin in a sepsis model reduced oxidative stress (MDA), increased antioxidant levels (GSH), and reduced inflammation (MPO) in the kidney (p<0.05). Dapagliflozin also decreased oxidative stress (MDA) in lung tissue and decreased inflammation (MPO) in lung and liver tissue (p<0.05). Caspase 8 and 9 levels in kidney, lung, and liver tissue were increased (p< 0.05) in the dapagliflozin group compared with the sepsis group. According to the histopathological results, sepsis was moderately improved in renal tissue and slightly attenuated in lung and liver tissue with the administration of dapagliflozin. CONCLUSION: Dapagliflozin had a preventive effect on sepsis-induced kidney damage, but the protective effect was mild in lung and liver tissue in the present study.