ArticleAsian Pacific journal of cancer prevention : APJCP2025
Unraveling Key Regulatory Pathways in Non-HCV-Induced Hepatocellular Carcinoma: Insights from Exclusively Mutated Genes and Prognostic Biomarkers.
Article in Asian Pacific journal of cancer prevention : APJCP, 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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Abstract
backgroundThe molecular pathogenesis of hepatocellular carcinoma (HCC) exhibits striking etiological heterogeneity, with non-HCV-associated cases representing an increasingly prominent clinical challenge in regions like Egypt, where environmental carcinogens significantly contribute to the disease burden.
methodsThrough integrated analysis of genomic data Egyptian cohort comprising 48 HCC cases (23 non-HCV, 25 HCV-positive) was examined and validated against TCGA/ICGC datasets using cBioPortal and Cytoscape.
resultsThis study identifies a distinct oncogenic program in non-viral HCC characterized by recurrent alterations in receptor tyrosine kinases (RTKs) FGFR1, MET, ERBB2 and FLT3. These mutations were found to be 4.3-fold more prevalent in non-HCV HCC compared to viral counterparts (26.1% vs. 6.0%, p=0.008), demonstrating strong etiological specificity. Functional characterization revealed these alterations converge on MAPK and PI3K-AKT-mTOR signaling cascades through shared adaptor proteins, creating an interconnected signaling network that drives tumor progression.
conclusionClinically, FGFR1/MET co-alterations predicted significantly worse outcomes (HR=2.3 for recurrence, 95% CI 1.1-4.8), while maintaining 92% specificity for non-viral HCC diagnosis. These findings establish the FGFR1-MET-ERBB2 axis as both a molecular classifier and therapeutic target, providing a rationale for etiology-specific management strategies in HCC precision oncology.
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