RET and leukemia: Top-scoring kinase coding genes for leukemia cell lines were FLT3, NTRK1, INSR, RYK, FGFR1, MERTK, ROR2, FGFR3, KIT, RET, ROR1, PTK7, DDR2, DDR1, and CSF1R; NTRK1, PDGFRA, ALK, AXL, RET, AATK, ROR2, TYRO3, INSR, DDR1, NTRK3, DDR2, FGFR3, FGFR1, and FLT3—for NB cell lines (Figure 2b).