IGF1R and medulloblastoma: Inhibition of the IGF-IR by 1 μM NVP-AEW541, which has been shown in our previous work to repress IGF-IR tyrosine kinase activity in Medulloblastoma [36], only partially attenuated serum-induced LN-229 cell motility and had practically no effect on T98G cells (Fig. 2C; Tables 1 and 2).