ArticleDiscover oncology2025
Systematic pan-cancer analysis identified NCOA4 as an immunological and prognostic biomarker and validated in lung adenocarcinoma.
Article in Discover oncology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper, 1 of them a synthesis that pooled it.
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1 citing paper in PubMed, 1 synthesis or guideline pooled it.
- [Research Advances on the Autophagy and Ferroptosis in the Development and Treatment of Lung Cancer].Zhongguo fei ai za zhi = Chinese journal of lung cancer · 2025Pooled it
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11 authors.
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Abstract
backgroundCancer immunotherapy has revolutionized treatment, yet predicting patient responses remains challenging. The potential of nuclear receptor coactivator 4 (NCOA4) as a biomarker has been identified in different types of cancer. However, its role as an immunological and prognostic factor across cancers, particularly lung adenocarcinoma (LUAD), still needs to be fully understood. This study aims to address this gap by systematically analyzing NCOA4's expression and its correlation with clinical outcomes and immune responses in pan-cancer.
objectiveTo evaluate NCOA4 as a prognostic biomarker and explore its association with immune microenvironments across different cancer types, specifically focusing on LUAD.
methodsWe comprehensively analyzed data from the CCLE, GTEx, and TCGA databases. NCOA4 expression was analyzed in both normal and tumor tissues, and its correlation with overall survival was assessed using univariate Cox regression and Kaplan-Meier analysis. Immune infiltration was evaluated using the ESTIMATE, TIMER, and xCELL algorithms. We comprehensively analyzed its correlation with six genomic instability markers and the DNA methylation- and mRNA-based stemness index in certain tumors to investigate the potential role of NCOA4 in mediating cancer genomic heterogeneity and stemness. PPI network analysis and KEGG/GO enrichment analysis were conducted to identify associated proteins and pathways. LUAD samples were stained using immunohistochemistry (IHC). TIDE algorithm was used to predict immune checkpoint blockade (ICB) response within the TCGA-LUAD cohort.
resultsNCOA4 expression was significantly higher in tumor tissues than normal tissues in 18 cancer types, including LUAD, while it was lower in 5. Survival outcomes in specific cancers were found to be inversely associated with NCOA4 expression, as indicated by the results of univariate Cox regression and Kaplan-Meier analysis. Analysis of immune infiltration demonstrated a significant association between NCOA4 and the presence of immune cells, including CD8 + T cells, neutrophils, and dendritic cells. Genomic instability markers, including TMB and MSI, showed significant correlations with NCOA4 expression, indicating a potential role in immunotherapy response. Stemness index analyses suggested NCOA4's involvement in regulating tumor stemness. PPI network and KEGG/GO enrichment analyses implicated NCOA4 in immune-related biological processes and pathways. IHC staining of LUAD tissues confirmed higher NCOA4 expression in tumors versus non-cancerous tissues. The TIDE algorithm predicted that higher NCOA4 expression levels, as indicated by elevated TIDE scores, were associated with poorer ICB response rates in the TCGA-LUAD cohort.
conclusionNCOA4 exhibits context-dependent associations with prognosis, immune infiltration, and genomic instability across cancers. While experimental validation in LUAD supports its candidacy as a biomarker, mechanistic studies are required to establish causal relationships. These findings highlight NCOA4's potential utility in stratifying patients for immunotherapy and ferroptosis-targeted therapies.
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