ArticleCureus2025
Unveiling Novel Genetic Mutations and Prognostic Indicators in Breast Carcinoma: An Analysis of The Cancer Genome Atlas (TCGA) Data.
Article in Cureus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Abstract
Background Breast carcinoma is one of the leading causes of cancer-associated mortality in women worldwide. Although several advances have been made in molecularly classifying breast cancers, treatment resistance continues to limit the overall survival. The Cancer Genome Atlas (TCGA) has unraveled diverse genomic alterations in breast carcinoma. However, some potential biomarkers still remain unexplored, like SETDB1, a histone methyltransferase involved in epigenetic silencing of tumor suppressor genes. ARMCX5 and SLCO6A1 are also some of the unexplored genes that could have a potential role in drug resistance. Materials and methods The Mutation Annotation Format (MAF) data set from the Cancer Genome Atlas Breast Cancer (TCGA-BRCA) cohort was analyzed using the Maftools, Survival, Mclust, and Survminer R packages. Oncodrive driver analysis and protein family (PFAM) domain mapping were performed. A total of 845 cases of breast carcinoma with complete survival data were retrieved, of which mutation data for 800 cases were available. Comprehensive mutation analysis was also done to unveil unexplored genes. Survival data of 845 cases were integrated for Kaplan-Meier and Cox proportional hazard analysis to ascertain the prognostic significance of an array of genes. Oncogenic signaling pathway mapping was done to determine the clinical enrichment of the genes associated with breast carcinoma. Genes associated with clinical enrichment, clustering of somatic mutations, and prognosis were subjected to further analysis. Results Besides the established molecular drivers like PIK3CA and TP53, we found several novel and understudied genes with potential prognostic and oncogenic significance. SETDB1 (p < 0.0001), USP37 (p < 0.0001), NDUFS1 (p = 0.025), TRPM4 (p < 0.0001), and MYO18A (p < 0.0001) were associated with poor prognosis. ARMCX5 (p < 0.0001) and SLCO6A1 (p < 0.0001) were enriched in high-grade tumors. Conclusion The TCGA-BRCA cohort analysis emphasizes a potential interplay of metabolic genes like NDUFS1, TRPM4, ARMCX5, SLCO6A1, and epigenetic axis genes like SETDB1 and USP37 in the oncogenesis and prognosis of breast carcinomas. These observations could open potential avenues for exploring novel therapeutics in aggressive breast carcinomas.
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