ArticleOncology research2025
ETV4-Mediated PD-L1 Upregulation Promotes Immune Evasion and Predicts Poor Immunotherapy Response in Melanoma.
Article in Oncology research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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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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Who cites it
1 citing paper in PubMed.
- Emerging role of ETV4 in colorectal cancer: from molecular mechanisms to clinical implications.Frontiers in oncology · 2026Review
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: Aberrant expression of transcription factors (TFs) is a key mechanism mediating tumor immune escape and therapeutic resistance. The involvement of E26 transformation-specific (ETS) family of TFs in immune regulation is not fully understood. The study aimed to elucidate the function of E-twenty-six variant 4 (ETV4) in tumor immune evasion and its potential as a predictive biomarker for immunotherapy in melanoma. Methods: The expression patterns of ETS family TFs were analyzed in melanoma and hepatocellular carcinoma (HCC). Single-cell RNA sequencing (scRNA-seq) was used to dissect the cellular expression and function of ETV4 in the tumor microenvironment. Functional studies and murine models were employed to investigate the role of ETV4 in T cell-mediated tumor killing and tumor growth. The correlation between ETV4 expression level and patient responsiveness to programmed cell death protein 1 (PD-1) blockade therapy was evaluated. Results: TFs in the ETS family were found to effectively stratify melanoma and HCC patients into prognostic subgroups. In melanoma, the polyoma enhancer activator 3 (PEA3) subfamily, particularly ETV4 and ETV5, showed a negative correlation with immune infiltration. scRNA-seq analysis showed that ETV4 is preferentially expressed in melanoma cells and involves in mediating tumor-immunocyte interactions. Functional studies demonstrated that ETV4 impairs T cell-mediated tumor killing by transcriptionally upregulating programmed death-ligand 1 (PD-L1). In immunocompetent murine models, ETV4 downregulation significantly suppressed tumor growth. Furthermore, high ETV4 expression correlated with poor responses to anti-PD-1 therapy. Conclusion: Our findings identify ETV4 as a key transcriptional regulator of immune evasion in melanoma by controlling PD-L1 expression. ETV4 may act as a predictive biomarker for immunotherapy outcomes.
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