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ORGINAL Article

GZD2202, a novel TrkB inhibitor, suppresses BDNF-mediated proliferation and metastasis in neuroblastoma models

, , , , , , , , , , & ORCID Icon show all
Pages 442-450 | Received 23 Apr 2018, Accepted 05 Oct 2018, Published online: 30 Oct 2018
 

Abstract

Collective data suggest tropomyosin-related kinase B (TrkB), which is correlated with the growth, migration and poor prognosis of neuroblastoma (NB), is a potential target for NB target therapy. Several Phase I/II pan-Trk inhibitors display impressive clinical outcomes but still no drug has been approved for general use. In this paper, we report a novel structural TrkB inhibitor GZD2202, a structural derivative of our previously identified DDR1 antagonists. GZD2202 demonstrates a moderate selectivity between Trk B/C and TrkA. GZD2202 suppresses the brain-derived neurotrophic factor (BDNF) -mediated TrkB signalling pathway, proliferation, migration and invasion in SH-SY5Y-TrkB neuroblastoma cells, and causes about 36.1% growth inhibition in a SH-SY5Y-TrkB neuroblastoma xenograft model.

Disclosure statement

No potential conflict of interest was reported by the authors.

Additional information

Funding

This study was funded by National Natural Science Foundation of China (21572230, 81673285 and 81425021), Guangdong Province (2014TQ01R341, 2015A030306042, 2015A030312014, 2016A050502041 and Nanyue-Baijie Award), Guangzhou City (201805010007) and Jinan University.

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