2. Academic Validation
  3. Activation of the HGF/c-MET axis promotes lenvatinib resistance in hepatocellular carcinoma cells with high c-MET expression

Activation of the HGF/c-MET axis promotes lenvatinib resistance in hepatocellular carcinoma cells with high c-MET expression

  • Med Oncol. 2020 Mar 12;37(4):24. doi: 10.1007/s12032-020-01350-4.
Rongdang Fu 1 2,  Shaotao Jiang 3,  Jieyuan Li 2,  Huanwei Chen 4,  Xiaohong Zhang 5
Affiliations

Affiliations

  • 1 Department of Infectious Disease, The Third Affiliated Hospital of Sun Yat-Sen University, No.600 Tianhe Road, Tianhe District, Guangzhou, 510630, China.
  • 2 Department of Hepatic Surgery, The Affiliated Foshan Hospital of Sun Yat-Sen University, Foshan, 528000, China.
  • 3 Department of HBP Surgery II, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, 510180, China.
  • 4 Department of Hepatic Surgery, The Affiliated Foshan Hospital of Sun Yat-Sen University, Foshan, 528000, China. chwei@fsyyy.com.
  • 5 Department of Infectious Disease, The Third Affiliated Hospital of Sun Yat-Sen University, No.600 Tianhe Road, Tianhe District, Guangzhou, 510630, China. zhangxh58@outlook.com.
PMID: 32166604 DOI: 10.1007/s12032-020-01350-4
Abstract

Lenvatinib is a long-awaited alternative to sorafenib for the first-line targeted therapy of patients with advanced hepatocellular carcinoma (HCC). However, resistance to lenvatinib has also become a major obstacle to improving the prognosis of HCC patients. The underlying molecular mechanisms contributing to lenvatinib resistance in HCC are largely unknown. HGF/c-MET axis activation is related to tumor progression and several hallmarks of Cancer and is considered as the key contributor to drug resistance. In the present study, we focused on the role of the HGF/c-MET axis in mediating lenvatinib resistance in HCC cells. We showed that HGF reduced the antiproliferative, proapoptotic, and anti-invasive effects of lenvatinib on HCC cells with high c-MET expression but did not significantly affect HCC cells with low c-MET expression. The c-MET inhibitor PHA-665752 rescued HCC cells from HGF-induced lenvatinib resistance. Furthermore, HGF/c-MET activated the downstream PI3K/Akt and MAPK/ERK pathways and promoted epithelial-mesenchymal transition (EMT) in HCC cells. Collectively, our results suggested that combining lenvatinib treatment with a c-MET inhibitor may improve its systemic therapeutic efficacy in HCC patients with high c-MET expression.

Keywords

HGF; Hepatocellular carcinoma; Lenvatinib; Resistance; c-MET.

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