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Iranian Journal of Basic Medical Sciences، جلد ۲۴، شماره ۱، صفحات ۶۶-۷۲
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عنوان انگلیسی Resveratrol increases the sensitivity of breast cancer MDA-MB-231 cell line to cisplatin by regulating intrinsic apoptosis
چکیده انگلیسی مقاله Objective(s): Breast cancer is one of the most common types of cancer. Chemotherapeutic agents used during treatment induce cytotoxic effects also on normal cells in the tissues. Anti-oxidants used in combination with chemotherapeutic agents have been shown to reduce toxicity on normal cells to a minimum, and some anti-oxidant substances have chemotherapeutic effects. Cisplatin (CDDP) is a platinum class drug that is used clinically in the treatment of many cancers. Resveratrol (RSV) is a natural polyphenol with potent anti-oxidant and anticancer properties. In this study, we aimed to investigate apoptotic effects of using cisplatin and RSV alone or in combined treatment of MDA-MB-231 cells.Materials and Methods: The cytotoxic effects of the drugs on MDA-MB-231 cells were determined by MTT method. Subsequently, the change in CDDP-induced apoptotic effect after RSV addition was examined using the AnnexinV FITC labeling, and TUNEL staining method. Activation of caspase-9, -3 in MDA-MB-231 cells was measured by flow cytometer. The mitochondrial membrane potential (MMP), the major factor on the intrinsic pathway, was measured using flowcytometry. Results: The combined dose (23 μM CDDP + 72 μM RSV) produced more cytotoxicity than the agents used alone, leading to early apoptosis (8.2%), 31% depolarization, and 23% DNA fragmentation. Caspase-9 was found to be 30.5% in this combined group and caspase-3 was 26.3%. Conclusion: RSV, an effective anti-oxidant, and CDDP as an effective drug in cancer treatment, were found to increase apoptosis when given in the MDA-MB-231 cell.
کلیدواژه‌های انگلیسی مقاله Apoptosis, Breast Cancer, Cisplatin, Combined therapy, Resveratrol
نویسندگان مقاله | Filiz Ozdemir
Department of Biochemistry, Faculty of Pharmacy, Anadolu University, Eskişehir, Turkey


| Arda Sever
Department of Biochemistry, Faculty of Pharmacy, Anadolu University, Eskişehir, Turkey


| Yüksel Öğünç Keçeci
Department of Biochemistry, Faculty of Pharmacy, Anadolu University, Eskişehir, Turkey


| Zerrin Incesu
Department of Biochemistry, Faculty of Pharmacy, Anadolu University, Eskişehir, Turkey
نشانی اینترنتی https://ijbms.mums.ac.ir/article_16919.html
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