ArticleLung cancer management2025
Construction and validation of an oxidative phosphorylation-related gene signature in lung squamous cell carcinoma patients.
Article in Lung cancer management, 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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9 authors.
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Abstract
backgroundMetabolic reprogramming, particularly toward oxidative phosphorylation (OXPHOS), is a hallmark of lung squamous cell carcinoma (LUSC) and contributes to its aggressive phenotype and immunosuppressive microenvironment. While OXPHOS activation is increasingly recognized as a key metabolic feature in LUSC, its prognostic implications and associated gene signatures remain underexplored. This study aimed to identify OXPHOS-related differentially expressed genes (DEGs) and construct a robust prognostic signature for LUSC.
methodsUsing GEO datasets, we developed an OXPHOS-related prognostic signature
resultsAn 8-gene OXPHOS-related signature (LTBP1, MFGE8, ACTN1, CD59, CDC25C, SAAL1, SFXN4, PTTG1) was identified. High-risk patients exhibited significantly shorter overall survival than low-risk patients across all cohorts. The model demonstrated strong predictive accuracy for 1-, 3-, and 5-year survival. Notably, the high-risk group showed enriched pathways related to tumor stemness and immunosuppression.
conclusionWe developed and validated a novel OXPHOS-based gene signature that effectively stratifies LUSC patients by risk. This signature highlights the clinical relevance of OXPHOS in LUSC prognosis and may guide personalized therapeutic strategies targeting metabolic vulnerabilities. Study limitations include its retrospective design and lack of experimental validation.
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