These associations are being rapidly verified by a growing number of studies using a variety of approaches, including mouse genetics. Advances in human genomics have identified a large number of genetic variations associated with ASD. 2Center for Synaptic Brain Dysfunctions, Institute for Basic Science, Daejeon, South KoreaĪutism spectrum disorder (ASD) is a group of developmental disabilities characterized by impairments in social interaction and communication and restricted and repetitive interests/behaviors.1Department of Biological Sciences, Korea Advanced Institute of Science and Technology, Daejeon, South Korea.Hyejung Won 1, Won Mah 1,2 and Eunjoon Kim 1,2*