Non-Syndromic X-Linked Intellectual Disability 1, also known as x-linked mental retardation 1/78, is related to arts syndrome and intellectual developmental disorder, x-linked 1. An important gene associated with Non-Syndromic X-Linked Intellectual Disability 1 is HCFC1 (Host Cell Factor C1), and among its related pathways/superpathways is Arf1 pathway. Related phenotype is nervous system.