CACUL1 promotes hepatocellular carcinoma progression through enhanced tumor cell proliferation and macrophage-mediated immune suppression - Report - MDSpire

CACUL1 promotes hepatocellular carcinoma progression through enhanced tumor cell proliferation and macrophage-mediated immune suppression

  • By

  • Xing Wang

  • Yuhan Tan

  • Ju Wang

  • Ying Kong

  • July 16, 2026

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Clinical Report: CACUL1 Enhances Tumor Cell Growth and Immune Suppression

Overview

CACUL1 overexpression is linked to poor prognosis in hepatocellular carcinoma (HCC), promoting tumor cell proliferation and immune evasion. Its role in M2 macrophage polarization through Notch1 suppression is noted.

Background

Hepatocellular carcinoma (HCC) is a leading cause of cancer-related mortality, with limited treatment options and poor survival rates. Understanding the molecular mechanisms driving HCC progression is crucial for developing targeted therapies. The cullin-family E3 ubiquitin ligases, particularly CACUL1, have emerged as significant players in oncogenesis, yet their specific roles in HCC remain underexplored.

Data Highlights

FindingValue
CACUL1 overexpression in HCCP < 0.001
Prognostic significance in 16 tumor typeslog-rank P < 0.01
Independent predictor of poor HCC prognosisP < 0.05
Inhibition of HCC cell proliferation and migrationYes
PI3K/AKT pathway enrichmentYes

Key Findings

  • CACUL1 is overexpressed in HCC and gastric cancer.
  • High CACUL1 expression correlates with advanced clinicopathological features.
  • CACUL1 knockout reduces HCC cell proliferation and migration.
  • CACUL1 promotes M2 macrophage polarization via Notch1 suppression.
  • CACUL1 expression is a candidate prognostic biomarker in HCC.

Clinical Implications

Monitoring CACUL1 levels could serve as a prognostic tool for assessing disease progression.

Conclusion

Further investigation into CACUL1's role in HCC is warranted.

Related Resources & Content

  1. Author(s)/Org, Source, Year -- CACUL1 Enhances Tumor Cell Growth and Immune Suppression
  2. Frontiers in Immunology — MCT4 drives HCC progression by activating MMPs and polarizing M2 macrophages
  3. Journal of Gastroenterology — Stage-associated remodeling of CD169 macrophage states is linked to immune regulation in colitis-associated colorectal cancer
  4. The ASCO Post — Improving Hepatocellular Carcinoma Outcomes Through Enhanced Immunotherapy
  5. Journal of Gastroenterology — Role and Mechanism of Wnt/β-catenin Pathway in the Transition from Chronic Hepatitis C to Hepatocellular Carcinoma
  6. EASL Clinical Practice Guidelines on the management of hepatocellular carcinoma
  7. Systemic Therapy for Advanced Hepatocellular Carcinoma: ASCO Guideline Update | Journal of Clinical Oncology
  8. Hepatocellular carcinoma: ESMO Clinical Practice Guideline for diagnosis, treatment and follow-up†
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  10. Tislelizumab vs Sorafenib as First-Line Treatment for Unresectable Hepatocellular Carcinoma: A Phase 3 Randomized Clinical Trial | Trials | JAMA Oncology | JAMA Network
  11. Regorafenib for patients with hepatocellular carcinoma who progressed on sorafenib treatment (RESORCE): a randomised, double-blind, placebo-controlled, phase 3 trial - PubMed
  12. Cabozantinib in Patients with Advanced and Progressing Hepatocellular Carcinoma | New England Journal of Medicine
  13. Ramucirumab after sorafenib in patients with advanced hepatocellular carcinoma and increased α-fetoprotein concentrations (REACH-2): a randomised, double-blind, placebo-controlled, phase 3 trial - PubMed
  14. Clinical landscape of macrophage-reprogramming cancer immunotherapies | British Journal of Cancer
  15. Guideline Update Seeks to Aid Clinicians in the Selection of Systemic Treatments for Advanced Hepatocellular Carcinoma - The ASCO Post

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