Naringenin Induces ROS-Mediated ER Stress, Autophagy, and Apoptosis in Human Osteosarcoma Cell Lines

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標題:	Naringenin Induces ROS-Mediated ER Stress, Autophagy, and Apoptosis in Human Osteosarcoma Cell Lines
作者:	Lee, Chiang-Wen Huang, Cathy Chia-Yu Chi, Miao-Ching Lee, Kuan-Han Peng, Kuo-Ti Fang, Mei-Ling Chiang, Yao-Chang Liu, Ju-Fang
貢獻者:	Chang Gung University of Science & Technology Chang Gung University of Science & Technology Chang Gung Memorial Hospital Ming Chi University of Technology Chang Gung University of Science & Technology Chang Gung Memorial Hospital Chia Nan University of Pharmacy & Science Cheng Shiu University Cheng Shiu University China Medical University Taiwan China Medical University Hospital - Taiwan Taipei Medical University
關鍵字:	prognostic-factors growth contributes expression flavonoids induction survival death colon atg5
日期:	2022
上傳時間:	2023-12-11 14:03:30 (UTC+8)
出版者:	MDPI
摘要:	Osteosarcoma, a primary bone tumor, responds poorly to chemotherapy and radiation therapy in children and young adults; hence, as the basis for an alternative treatment, this study investigated the cytotoxic and antiproliferative effects of naringenin on osteosarcoma cell lines, HOS and U2OS, by using cell counting kit-8 and colony formation assays. DNA fragmentation and the increase in the G2/M phase in HOS and U2OS cells upon treatment with various naringenin concentrations were determined by using the terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling assay and Annexin V/propidium iodide double staining, respectively. Flow cytometry was performed, and 2 ',7 '-dichlorodihydrofluorescein diacetate, JC-1, and Fluo-4 AM ester probes were examined for reactive oxygen species (ROS) generation, mitochondrial membrane potential, and intracellular calcium levels, respectively. Caspase activation, cell cycle, cytosolic and mitochondrial, and autophagy-related proteins were determined using western blotting. The results indicated that naringenin significantly inhibited viability and proliferation of osteosarcoma cells in a dose-dependent manner. In addition, naringenin induced cell cycle arrest in osteosarcoma cells by inhibiting cyclin B1 and cyclin-dependent kinase 1 expression and upregulating p21 expression. Furthermore, naringenin significantly inhibited the growth of osteosarcoma cells by increasing the intracellular ROS level. Naringenin induced endoplasmic reticulum (ER) stress-mediated apoptosis through the upregulation of ER stress markers, GRP78 and GRP94. Naringenin caused acidic vesicular organelle formation and increased autophagolysosomes, microtubule-associated protein-light chain 3-II protein levels, and autophagy. The findings suggest that the induction of cell apoptosis, cell cycle arrest, and autophagy by naringenin through mitochondrial dysfunction, ROS production, and ER stress signaling pathways contribute to the antiproliferative effect of naringenin on osteosarcoma cells.
關聯:	MOLECULES, v.27, n.CB2, pp.CC2, pp.-,
顯示於類別:	[行政單位] 123

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