4.4 Article

Overexpression of IRF3 Predicts Poor Prognosis in Clear Cell Renal Cell Carcinoma

Journal

INTERNATIONAL JOURNAL OF GENERAL MEDICINE
Volume 14, Issue -, Pages 5675-5692

Publisher

DOVE MEDICAL PRESS LTD
DOI: 10.2147/IJGM.S328225

Keywords

kidney renal clear cell carcinoma; bioinformatics; interferon regulatory transcription factor; prognosis

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Through comprehensive analysis using bioinformatics methods, this study identified that elevated expression of IRF3 is significantly associated with worse clinical outcomes and adverse overall survival in clear cell renal cell carcinoma (ccRCC). IRF3 may promote the progression of ccRCC by participating in various cancer-related biological processes and signaling pathways, making it a promising prognostic marker and therapeutic target in ccRCC.
Background: Growing findings have demonstrated that interferon regulatory transcription factor (IRF) family members are linked to the progression of various cancers. However, the roles of IRFs in clear cell renal cell carcinoma (ccRCC) remain undefined. Herein, we conducted a comprehensive analysis using the bioinformatics method to evaluate the expression patterns, clinical significance, and regulation of IRFs-related mechanisms in patients with ccRCC. Methods: Data from the Cancer Genome Atlas (TCGA), International Cancer Genome Consortium (ICGA), and Gene Expression Omnibus (GEO) databases were used for investigation comprehensively. Specifically, we carried out a series of analyses to identify the candidate IRF and to explore its potential action mechanisms using the gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analyses. What is more, we emphatically investigate the association of candidate IRF with tumor immunity in ccRCC through the CIBERSORT algorithm, TIMER and GEPIA databases. Results: Herein, IRF3 was identified as candidate IRF, which was highly expressed in ccRCC, and its overexpression was significantly associated with worse clinical outcomes and adverse overall survival. Uni- and multi-variate Cox regression analysis demonstrated that IRF3 overexpression was an independent predictor of worse prognosis. Functional enrichment analysis showed that IRF3 might participate in several cancer-related biological processes and signaling pathways, thereby promoting the progression of ccRCC. Additionally, we found that IRF3 was remarkably associated with tumor-infiltrating immune cells (TIICs) and various immune-related genes. Conclusion: Herein, we identified IRF3 from the IRF gene family members, which could serve as promising prognostic marker and therapeutic target in ccRCC.

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