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Avicenna Journal of Phytomedicine، جلد ۱۱، شماره ۶، صفحات ۵۴۱-۵۵۰
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عنوان انگلیسی β-sitosterol induces reactive oxygen species-mediated apoptosis in human hepatocellular carcinoma cell line
چکیده انگلیسی مقاله Objective: It is of interest to investigate the anti-proliferative effect of β-sitosterol (BS) on human hepatocellular carcinoma (HepG2) cell line.Materials and Methods: β-sitosterol treatments (0.6 and 1.2 mM/ml) were done in HepG2 and after 24 hr, cell viability was evaluated by MTT assay. Reactive oxygen species (ROS) accumulating potential of BS was assessed by dichloro-dihydro-fluorescein diacetate staining. Morphology related to apoptosis was investigated by acridine orange and ethidium bromide dual staining. Cytochrome c and caspase 3 expressions were evaluated by immunofluorescence and western blot analyses.Results: β-sitosterol induced cytotoxicity (p< 0.001) and intracellular ROS in HepG2 cells in a dose-dependent manner.BS treatments accumulated induced intracellular ROS accumulation which led to membrane damage and mitochondrial toxicity. At the molecular level, BS treatments induced cytochrome c release from mitochondria and enhanced the protein expressions (p< 0.05 vs 0.6 mM/ml and p< 0.001 vs 1.2 mM/ml) of both caspase 3 and cleaved caspase 3.Conclusion: β-sitosterol induced ROS accumulation which plays a critical role in apoptosis via the intrinsic pathway in HepG2 cells. The present investigation paves the way for further in vivo studies.
کلیدواژه‌های انگلیسی مقاله Liver cancer, β-sitosterol, Reactive Oxygen Species, Apoptosis, Caspase
نویسندگان مقاله | Devaraj Ezhilarasan
Department of Pharmacology, The Blue Lab, Molecular Medicine and Toxicology Division, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Chennai, Tamil Nadu, India


| Mary Ditty
Department of Pharmacology, The Blue Lab, Molecular Medicine and Toxicology Division, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Chennai, Tamil Nadu, India
نشانی اینترنتی https://ajp.mums.ac.ir/article_17746.html
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Short communication
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