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  2. AXL receptor tyrosine kinase as a promising anti-cancer approach: functions, molecular mechanisms and clinical applications

AXL receptor tyrosine kinase as a promising anti-cancer approach: functions, molecular mechanisms and clinical applications

  • Mol Cancer. 2019 Nov 4;18(1):153. doi: 10.1186/s12943-019-1090-3.
Chenjing Zhu 1 2 Yuquan Wei 1 Xiawei Wei 3
Affiliations

Affiliations

  • 1 Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, No. 17, Block 3, Southern Renmin Road, Chengdu, Sichuan, 610041, People's Republic of China.
  • 2 Department of Radiation Oncology, Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research & The Affiliated Cancer Hospital of Nanjing Medical University, 42 Baiziting, Nanjing, 210009, Jiangsu, China.
  • 3 Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, No. 17, Block 3, Southern Renmin Road, Chengdu, Sichuan, 610041, People's Republic of China. xiaweiwei@scu.edu.cn.
Abstract

Molecular targeted therapy for Cancer has been a research hotspot for decades. Axl is a member of the TAM family with the high-affinity ligand growth arrest-specific protein 6 (GAS6). The Gas6/Axl signalling pathway is associated with tumour cell growth, metastasis, invasion, epithelial-mesenchymal transition (EMT), angiogenesis, drug resistance, immune regulation and stem cell maintenance. Different therapeutic agents targeting Axl have been developed, typically including small molecule inhibitors, monoclonal Antibodies (mAbs), nucleotide Aptamers, soluble receptors, and several natural compounds. In this review, we first provide a comprehensive discussion of the structure, function, regulation, and signalling pathways of Axl. Then, we highlight recent strategies for targeting Axl in the treatment of Cancer.AXL-targeted drugs, either as single agents or in combination with conventional chemotherapy or other small molecule inhibitors, are likely to improve the survival of many patients. However, future investigations into Axl molecular signalling networks and robust predictive biomarkers are warranted to select patients who could receive clinical benefit and to avoid potential toxicities.

Keywords

AXL; Cancer; Inhibitor; Receptor tyrosine kinase; Signaling pathway.

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