Cancer Stem Cell Dynamics in Hepatocellular Carcinoma

Hepatocellular carcinoma (HCC) often arises in a chronically inflamed or fibrotic liver and harbours a subpopulation of cancer stem cells (CSCs) that drive tumour initiation, progression, metastasis and therapy resistance. These CSCs are defined by self-renewal capacity, differentiation potential and resilience to conventional treatments, underpinning tumour heterogeneity and recurrence. Dynamic interactions between CSCs and the tumour microenvironment—including cancer-associated fibroblasts, immune cells, extracellular matrix components and soluble factors—modulate CSC maintenance, plasticity and metastatic competence. At the molecular level, signalling pathways such as Notch, Wnt/β-catenin, Hedgehog and EGFR–ERK–CDK4/6 integrate extrinsic cues to regulate CSC fate, while transcription factors and epigenetic modifiers orchestrate lineage plasticity and dedifferentiation. CSC metabolic adaptations, including shifts in cholesterol biosynthesis and reactive oxygen species management, further support their survival under treatment stress. Targeting key mediators of CSC self-renewal and niche interactions may suppress tumour growth, prevent metastasis and overcome chemoresistance, offering avenues for precision therapy in HCC.

Research from Nature Portfolio

Recent studies have identified SPINK1 as a critical driver of tumour plasticity and chemoresistance in HCC. SPINK1 expression tightly correlates with CD133-positive CSCs and promotes dedifferentiation through an EGFR–ERK–CDK4/6–E2F2 axis, enhancing self-renewal, tumour initiation and resistance to cytotoxic agents. Therapeutic depletion of SPINK1 by neutralising antibodies or genetic knockdown attenuates CSC properties and sensitises tumours to chemotherapy, indicating its potential as an oncofetal target. An earlier investigation demonstrated that C8orf4 functions as a suppressor of CSC self-renewal by antagonising Notch2 signalling. Reduced C8orf4 expression permits nuclear translocation of the Notch2 intracellular domain, sustaining CSC stemness and tumour propagation. Restoring C8orf4 activity impairs self-renewal capacity and tumour growth, suggesting a novel strategy for CSC-targeted intervention.

Cancer Stem Cell Dynamics in Hepatocellular Carcinoma publication trend

The graph below shows the total number of articles in cancer stem cell dynamics in hepatocellular carcinoma across all publications each year (not limited to Nature Index journals).

Technical terms

Cancer stem cells (CSCs): A subpopulation of tumour cells with self-renewal and differentiation capabilities, responsible for tumour initiation, progression and relapse.

Hepatocellular carcinoma (HCC): The most common primary liver malignancy, typically developing in the context of cirrhosis or chronic liver injury.

Tumour microenvironment (TME): The complex milieu surrounding cancer cells, including stromal cells, extracellular matrix and signalling molecules.

Self-renewal: The ability of stem-like cells to undergo divisions while maintaining an undifferentiated state.

Epithelial–mesenchymal transition (EMT): A reversible programme enabling epithelial cells to acquire mesenchymal traits, promoting migration and invasion.

References

1. SPINK1-induced tumor plasticity provides a therapeutic window for chemotherapy in hepatocellular carcinoma. Nature Communications (2023).
2. C8orf4 negatively regulates self-renewal of liver cancer stem cells via suppression of NOTCH2 signalling. Nature Communications (2015).
3. Semaphorin 3C (Sema3C) reshapes stromal microenvironment to promote hepatocellular carcinoma progression. Signal Transduction and Targeted Therapy (2024).
4. Profiling of Circulating Tumor Cells for Screening of Selective Inhibitors of Tumor‐Initiating Stem‐Like Cells. Advanced Science (2023).
5. Liver cancer stem cell dissemination and metastasis: uncovering the role of NRCAM in hepatocellular carcinoma. Journal of Experimental & Clinical Cancer Research (2023).