Transcriptomics

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Transcriptional landscape of MYCN-driven liver tumors


ABSTRACT: Hepatocellular carcinoma (HCC) is a leading cause of cancer-related death, often diagnosed at advanced stages and characterized by high recurrence rates. While chronic liver inflammation and metabolic dysfunction are recognized contributors to tumorigenesis, the molecular mechanisms linking early microenvironmental stress to malignant transformation remain poorly understood. MYCN, a proto-oncogenic transcription factor, has emerged as a potential biomarker of cancer stemness, yet its functional role in hepatocarcinogenesis is unclear. Here, we elucidate the oncogenic role of MYCN and its dynamic regulation during metabolic liver tumorigenesis.Using a transposon system in mice and the human hepatocyte cell line Hc, we demonstrate that MYCN overexpression functionally promotes liver tumorigenesis and hepatocyte transformation. Transcriptomic profiling of MYCN-driven tumors revealed molecular features resembling human HCC subtypes enriched in stress-adaptive gene programs, highlighting MYCN's role in shaping tumor-promoting transcriptional landscapes.

ORGANISM(S): Mus musculus Homo sapiens

PROVIDER: GSE302338 | GEO | 2025/07/16

REPOSITORIES: GEO

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