Spastic Paraplegia, Intellectual Disability, Nystagmus, and Obesity, also known as sino syndrome, is related to sick sinus syndrome and immunodeficiency 24. An important gene associated with Spastic Paraplegia, Intellectual Disability, Nystagmus, and Obesity is KIDINS220 (Kinase D Interacting Substrate 220). Affiliated tissues include brain and eye, and related phenotypes are intellectual disability and nystagmus