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. 2017 Jul 24;8(33):55353–55360. doi: 10.18632/oncotarget.19512

Figure 3. Mechanism of action of entrectinib.

Figure 3

Confirmation that the SCYL3-NTRK1 fusion gene can be targeted by TRK inhibitors. (A) Comparison of anti-proliferation activities of 3 tyrosine kinase inhibitors in Ba/F3-SCYL3-NTRK1 cell line. (B) Western blot analysis of the changes in phosphorylation levels of TRKA and its downstream transducer PLCγ 2 hours post entrectinib and crizotinib treatment in Ba/F3-SCYL3-NTRK1 cells. (C) Cell cycle analysis of Ba/F3-SCYL3-NTRK1 treated with 3 and 10 nM of entrectinib for 18 hours compared to untreated cells. (D) Relative caspase 3/7 activities in Ba/F3-SCYL3-NTRK1 cells treated with increasing concentrations of entrectinib over time.