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Updated: Jan 28, 2026
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A "Patient-Like" Orthotopic Syngeneic Mouse Model of Hepatocellular Carcinoma Metastasis
Published on: October 24, 2015
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ROR1 Expression and Its Functional Significance in Hepatocellular Carcinoma Cells
Metin Cetin1, Gorkem Odabas2, Leon R Douglas3
1Department of Molecular Biology and Genetics, Gebze Technical University, Kocaeli 41400, Turkey. metincetin@gtu.edu.tr.
Cells
|March 6, 2019
Summary
Receptor tyrosine kinase ROR1 is expressed in hepatocellular carcinoma (HCC) and drives disease progression. Targeting ROR1 may offer new diagnostic and prognostic strategies for this deadly liver cancer.
Area of Science:
- Oncology
- Molecular Biology
- Biochemistry
Background:
- Hepatocellular carcinoma (HCC) remains a significant global health challenge with limited diagnostic and prognostic advancements.
- The role of receptor tyrosine kinase ROR1 in HCC pathogenesis has not been previously explored.
Purpose of the Study:
- To investigate the expression of ROR1 in HCC cells.
- To assess the functional contribution of ROR1 to hepatocarcinogenesis.
Main Methods:
- Generated ROR1 monoclonal antibodies using recombinant ROR1 protein.
- Quantified ROR1 transcript levels via RT-qPCR.
- Assessed ROR1 protein expression in HCC using Western blotting.
- Utilized shRNA-mediated ROR1 knockdown in HCC cell lines to evaluate its functional role in apoptosis, cell cycle, migration, and drug resistance.
Main Results:
- Developed novel ROR1 antibodies that detect endogenous ROR1 protein in human and mouse HCC cell lines.
- ROR1 knockdown led to reduced cell proliferation and migration.
- ROR1 knockdown enhanced resistance to apoptosis and anoikis.
- Chemoresistance in ROR1-knockdown cells was attributed to increased drug efflux and elevated expression of multi-drug resistance genes.
Conclusions:
- ROR1 is expressed in HCC and plays a role in disease development by influencing multiple cellular pathways.
- ROR1 expression in HCC may hold potential as a diagnostic and prognostic biomarker.
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