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cell death triggered by iron-dependent lipid peroxidation after inactivation of the cystine\/glutamate antiporter system xc<jats:sup>\u2013<\/jats:sup>, which is composed of solute carrier family 7 membrane 11 (SLC7A11) and solute carrier family 3 membrane 2 (SLC3A2). Therefore, inducing ferroptosis through inhibiting the cystine\/glutamate antiporter system xc<jats:sup>\u2013<\/jats:sup> may be an effective way to treat cancer. In previous screening tests, we found that the benzopyran derivative 2-imino-6-methoxy-2H-chromene-3-carbothioamide (IMCA) significantly inhibited the viability of colorectal cancer cells. However, the impact of IMCA on ferroptosis remains unknown. Hence, this study investigated the effect of IMCA on ferroptosis and elucidated the underlying molecular mechanism. Results showed that IMCA significantly inhibited the cell viability of colorectal cancer cells <jats:italic>in vitro<\/jats:italic> and inhibited tumor growth with negligible organ toxicity <jats:italic>in vivo<\/jats:italic>. Further studies showed that IMCA significantly induced the ferroptosis of colorectal cancer cells. Mechanistically, IMCA downregulated the expression of SLC7A11 and decreased the contents of cysteine and glutathione, which resulted in reactive oxygen species accumulation and ferroptosis. Furthermore, overexpression of SLC7A11 significantly attenuated the ferroptosis caused by IMCA. In addition, IMCA regulated the activity of the AMPK\/mTOR\/p70S6k signaling pathway, which is related to the activity of SLC7A11 and ferroptosis. Collectively, our research provided experimental evidences on the activity and mechanism of ferroptosis induced by IMCA and revealed that IMCA might be a promising therapeutic drug for colorectal cancer.<\/jats:p>","DOI":"10.1155\/2020\/1675613","type":"journal-article","created":{"date-parts":[[2020,4,4]],"date-time":"2020-04-04T23:30:29Z","timestamp":1586043029000},"page":"1-14","source":"Crossref","is-referenced-by-count":59,"title":["IMCA Induces Ferroptosis Mediated by SLC7A11 through the AMPK\/mTOR Pathway in Colorectal Cancer"],"prefix":"10.1155","volume":"2020","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7781-3478","authenticated-orcid":true,"given":"Lei","family":"Zhang","sequence":"first","affiliation":[{"name":"Cell Signal Transduction Laboratory, Bioinformatics Center, Laboratory for Nanomedicine, Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng 475004, 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