Regulator of neurite outgrowth required for normal hearing and vision. In adult brain, highly expressed in putamen with no expression in cerebral cortex. Expressed in adult and fetal lung and fetal liver. Also expressed at high levels in some brain tumors including medulloblastomas and primitive neuroectodermal tumors. The disease is caused by variants affecting the gene represented in this entry. Belongs to the SLITRK family. Truncated N-terminus. Aberrant splicing. Truncated N-terminus.