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TMEM176B orchestrates intratumoral hierarchy and immunosuppression in hepatocellular carcinoma: Insights from single-cell transcriptomics

Aug 2026 · Translational Oncology · Vol 72, pp. 102989 · 0 citations · 25 references
Medicine

TL;DR

High-resolution mapping of 52,384 cells uncovers hierarchical intra-tumor heterogeneity in HCC and TMEM176B is identified as the link between tumor malignancy hierarchy and immune remodeling.

Abstract

Highlights • Single-cell landscape:High-resolution mapping of 52,384 cells uncovers hierarchical intra-tumor heterogeneity in HCC.• Key molecule discovery:TMEM176B is identified as the link between tumor malignancy hierarchy and immune remodeling.• Poor prognosis marker: TMEM176B low expression correlates with reduced overall survival (p = 0.021).• Functional validation: TMEM176B overexpression inhibits tumor growth; positively correlates with CXCL9/10 and PD-L1/CTLA-4.

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