Status of endogenous expression level of TrkC‐miR2 was identified through RT‐qPCR in astrocytoma (1321N1), glioblastoma (A172 and U87MG), medulloblastoma (Daoy) and neuroblastoma (SK‐N‐MC) human brain tumour cell lines (Figure 3A). Here, NTRK3 is linked to medulloblastoma.