Currently, many investigations have indicated that SliTrk5 may be involved in the pathomechanism of many CNS diseases, including obsessive-compulsive-disorder (OCD), attention deficit/hyperactivity disorder (ADHD), glioma, autism spectrum disorders (ASDs), and Parkinson's disease (PD) [16]. The gene discussed is SLITRK5; the disease is obsessive-compulsive disorder.