ArticleScientific reports2026
Multi-omics analysis of NEDD1 in hepatocellular carcinoma: biological function, prognostic value, and clinical significance.
Article in Scientific reports, 2026. 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
The neural precursor cell expressed developmentally down-regulated protein 1 (NEDD1) is implicated in tumorigenesis, but its role in hepatocellular carcinoma (HCC) remains unclear. This study aims to explore the oncogenic role, regulatory mechanisms, and tumor microenvironment interactions of NEDD1 in HCC. Multi-omics analyses were performed using public datasets (TCGA, GEO) and in-house clinical samples. These included expression and survival analysis, epigenetic (DNA methylation) and post-translational (phosphorylation) profiling, functional pathway enrichment, and drug sensitivity prediction. Functional validation was conducted via NEDD1 knockdown in HCC cells and a subcutaneous xenograft model. The co-expression and spatial distribution of NEDD1 and its predicted partner MZT2B were investigated using single-cell (GSE140228) and spatial transcriptomic (HRA000437) datasets. NEDD1 was significantly overexpressed in HCC tissues and correlated with poor prognosis. Its overexpression was potentially linked to promoter hypomethylation and aberrant phosphorylation. NEDD1 knockdown suppressed HCC cell proliferation, migration, and tumor growth in vivo. Notably, NEDD1 expression positively correlated with immune checkpoint molecules (PD-1, CTLA-4), and low NEDD1 expression was associated with better predicted response to immunotherapy. Single-cell and spatial transcriptomics revealed that NEDD1 and MZT2B co-expression was highly enriched in specific macrophage subsets (e.g., APOE+) and exhibited cell context-dependent heterogeneity, suggesting they may constitute a dynamic functional module within the HCC microenvironment. This multi-omics study suggests NEDD1 as a potential prognostic biomarker and therapeutic target in HCC. We propose a novel model wherein the NEDD1-MZT2B module may operate in both tumor cells and immunosuppressive macrophages, potentially influencing disease progression and immunotherapy response.
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