期刊
MOLECULAR THERAPY-ONCOLYTICS
卷 18, 期 -, 页码 457-466出版社
CELL PRESS
DOI: 10.1016/j.omto.2020.08.002
关键词
-
资金
- Chinese University of Hong Kong [CUHK7104280]
Regulated cell death by way of ferroptosis involves iron-dependent accumulation of cellular reactive oxygen species (ROS). Ferroptosis is attracting attention as a potential therapeutic target for cancer treatments without drug resistance. The relationship between irisin, a myokine involved in autophagy and ROS metabolism, and ferroptosis is unclear. In this study, we used erastin-induced ferroptosis in PANC-1 cells to examine potential interactions of irisin with ferroptosis. Using western blots and reverse transcriptase polymerase chain reactions, we found that irisin can further exacerbate erastin-induced upregulation in free iron, lipid ROS levels, and glutathione depletion, relative to cells treated with erastin only. Conversely, removal of irisin limited erastin effects. Furthermore, irisin modulation of ferroptosis was associated with the expression changes in molecules important for ROS metabolism, iron metabolism, and the cysteine/glutamate antiporter system (system X-c). These study findings suggest that irisin can act as a master factor of ferroptosis, and that potential implications for harnessing irisin-mediated ferroptosis for cancer treatment are warranted.
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