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However, the role of FDX1 in the pathogenesis of colon adenocarcinoma (COAD) remains to be studied.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Methods<\/jats:title>\n                <jats:p>FDX1 expression was analyzed with The Cancer Genome Atlas (TCGA) database and Human Protein Atlas (HPA) database. Association between FDX1 expression and COAD prognosis was investigated via the Kaplan\u2013Meier (KM) survival curve. The differentially expressed genes (DEGs) of FDX1 were screened with R packages and the PPI were constructed via STRING database. Cytoscape software was used to detect the most profound modules in the PPIs network. CancerSEA database was used to analyze the effect of FDX1 expression levels on different functional status of COAD cells. The relationship between FDX1 expression and immune infiltration of COAD was analyzed by TIMER2.0 database. The COAD patients with high expression of FDX1 by Western blot, and the levels of immune infiltration were measured by flow cytometry.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>FDX1 was low expressed in most cancers, such as BRCA, KICH, and COAD. The overall survival (OS) and disease-specific survival (DSS) of COAD with high FDX1 expression were better than that of the low expression group. GO-KEGG enrichment analysis revealed that FDX1 and its co-expressed genes played an important role in the pathogenesis of COAD. Moreover, FDX1 expression in COAD were positively associated with \u201cquiescence\u201d and \u201cinflammation\u201d but negatively correlated with \u201cinvasion\u201d. FDX1 expression was positively correlated with infiltration levels of CD8<jats:sup>+<\/jats:sup> T cells, NK cells, and neutrophils. Oppositely, FDX1 expression was negatively correlated with that of CD4<jats:sup>+<\/jats:sup> T cells and cancer-associated fibroblasts (CAFs). Finally, 6 COAD patients with high expression of FDX1 were screened, and the proportion of CD8<jats:sup>+<\/jats:sup> T cells in cancer tissues of these patients was significantly higher than that in paracancerous, while the CD4<jats:sup>+<\/jats:sup> T cells presented the opposite pattern.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusion<\/jats:title>\n                <jats:p>FDX1 plays a role in inducing cuproptosis and modulating tumor immunity, which could be considered as potential therapeutic targets in COAD.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1007\/s00432-022-04382-7","type":"journal-article","created":{"date-parts":[[2022,9,29]],"date-time":"2022-09-29T06:04:01Z","timestamp":1664431441000},"page":"15-24","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":82,"title":["High expression of cuproptosis-related gene FDX1 in relation to good prognosis and immune cells infiltration in colon adenocarcinoma (COAD)"],"prefix":"10.1007","volume":"149","author":[{"given":"Lizong","family":"Wang","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yi","family":"Cao","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wei","family":"Guo","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jingyun","family":"Xu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2022,9,29]]},"reference":[{"issue":"4","key":"4382_CR1","doi-asserted-by":"publisher","first-page":"577","DOI":"10.1016\/j.immuni.2017.03.013","volume":"46","author":"F Arce Vargas","year":"2017","unstructured":"Arce Vargas F, Furness AJS, Solomon I, Joshi K, Mekkaoui L, Lesko MH et al (2017) Fc-optimized Anti-CD25 depletes tumor-infiltrating regulatory T cells and synergizes with PD-1 blockade to eradicate established tumors. 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