Firstly, we performed confocal microscopy analysis after incubation with Sunitinib, which is a multi-targeted receptor tyrosine kinase (RTK) inhibitor currently used as anticancer drug and that has been recently suggested as treatment for neurodegenerative diseases (Son et al., 2012; Wrasidlo et al., 2014). This evidence concerns the gene NTRK1 and neurodegenerative disease.