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An Oncogenic Hepatocyte-Induced Orthotopic Mouse Model of Hepatocellular Cancer Arising in the Setting of Hepatic Inflammation and Fibrosis
Published on: September 12, 2019
Targeting receptor tyrosine kinase pathways in hepatocellular carcinoma
Hung Huynh1, Richard Wei Jie Ong, Peter Yi Qing Li
1Laboratory of Molecular Endocrinology, Division of Molecular and Cellular Research, National Cancer Centre, Singapore. cmrhth@nccs.com.sg
Abstract:
Hepatocellular cancer (HCC) is the fifth most common malignancy worldwide with 660,000 deaths annually. Studies of the molecular pathophysiology of HCC have shown that growth factors and their corresponding receptors are commonly overexpressed and/or dysregulated in HCC. Activation of these receptors and their downstream signaling pathways can lead to angiogenesis, cell proliferation, survival and metastasis of HCC. Hence, agents that specifically block their activation and signaling cascades would be valuable for treatment of HCC. Many small molecular tyrosine kinase inhibitors (TKIs) and antibodies have been tested in various phases of clinical trials. Although sorafenib has been shown to improve overall survival of patients with advanced HCC, the improvement is marginal and many patients eventually turn out to be refractory to this therapy. Thus, there is a pressing need to identify new drugs and effective treatments for this fatal disease. This review summarizes the pre-clinical and clinical data on the efficacy of the emerging tyrosine kinase inhibitors as well as the rationale for combination therapies for advanced HCC treatment. Understanding the mechanisms of action of these therapeutic agents and methods of combining these drugs may help to increase their efficacy, reduce toxicity, and improve overall survival and quality of life in patients with HCC.
Insights
Hepatocellular cancer (HCC) treatments need improvement. Emerging tyrosine kinase inhibitors and combination therapies show promise for treating advanced HCC, potentially increasing survival and quality of life.
Area of Science:
- Oncology
- Molecular Biology
- Pharmacology
Background:
- Hepatocellular cancer (HCC) is a leading cause of cancer death globally.
- Dysregulated growth factor signaling pathways are key drivers of HCC progression, including angiogenesis, proliferation, and metastasis.
- Current treatments like sorafenib offer limited survival benefits and face resistance.
Purpose of the Study:
- To review preclinical and clinical data on novel tyrosine kinase inhibitors (TKIs) for HCC.
- To explore the rationale and potential of combination therapies for advanced HCC.
- To identify strategies for improving efficacy, reducing toxicity, and enhancing patient outcomes.
Main Methods:
- Literature review of preclinical studies and clinical trials.
- Analysis of molecular pathophysiology and signaling pathways in HCC.
- Evaluation of emerging TKIs and combination treatment strategies.
Main Results:
- Emerging TKIs demonstrate potential in preclinical and clinical settings for HCC.
- Combination therapies are being investigated to overcome treatment resistance and improve efficacy.
- Understanding drug mechanisms is crucial for optimizing treatment regimens.
Conclusions:
- There is a critical need for novel therapeutic agents and strategies for advanced HCC.
- Emerging TKIs and rational combination therapies represent promising avenues for improving patient survival and quality of life.
- Further research into drug mechanisms and combination approaches is essential for advancing HCC treatment.
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