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Li H, Batth IS, Qu X, Xu L, Song N, Wang R, Liu Y. IGF-IR signaling in epithelial to mesenchymal transition and targeting IGF-IR therapy: overview and new insights. Mol Cancer 2017; 16:6. [PMID: 28137302 PMCID: PMC5282886 DOI: 10.1186/s12943-016-0576-5] [Citation(s) in RCA: 72] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2016] [Accepted: 12/19/2016] [Indexed: 01/06/2023] Open
Abstract
The insulin-like growth factor-I (IGF-I) signaling induces epithelial to mesenchymal transition (EMT) program and contributes to metastasis and drug resistance in several subtypes of tumors. In preclinical studies, targeting of the insulin-like growth factor-I receptor (IGF-IR) showed promising anti-tumor effects. Unfortunately, high expectations for anti-IGF-IR therapy encountered challenge and disappointment in numerous clinical trials. This review summarizes the regulation of EMT by IGF-I/IGF-IR signaling pathway and drug resistance mechanisms of targeting IGF-IR therapy. Most importantly, we address several factors in the regulation of IGF-I/IGF-IR-associated EMT progression that may be potential predictive biomarkers in targeted therapy.
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Affiliation(s)
- Heming Li
- Department of Medical Oncology, the First Hospital of China Medical University, NO.155, North Nanjing Street, Heping District, Shenyang City, 110001, China.,Department of Oncology, Affiliated Zhongshan Hospital of Dalian University, Dalian, 116001, People's Republic of China
| | - Izhar Singh Batth
- Department of Pediatrics-Research, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Xiujuan Qu
- Department of Medical Oncology, the First Hospital of China Medical University, NO.155, North Nanjing Street, Heping District, Shenyang City, 110001, China
| | - Ling Xu
- Department of Medical Oncology, the First Hospital of China Medical University, NO.155, North Nanjing Street, Heping District, Shenyang City, 110001, China
| | - Na Song
- Department of Medical Oncology, the First Hospital of China Medical University, NO.155, North Nanjing Street, Heping District, Shenyang City, 110001, China
| | - Ruoyu Wang
- Department of Oncology, Affiliated Zhongshan Hospital of Dalian University, Dalian, 116001, People's Republic of China.
| | - Yunpeng Liu
- Department of Medical Oncology, the First Hospital of China Medical University, NO.155, North Nanjing Street, Heping District, Shenyang City, 110001, China.
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