Intellectual disability, autosomal dominant 42
Intellectual disability, autosomal dominant 42
Definition
Any autosomal dominant intellectual disability in which the cause of the disease is a heterozygous mutation in the GNB1 gene. It is characterized by global developmental delay, intellectual disability, hypotonia, structural brain abnormalities, and seizures. Other less common findings include dystonia, visual impairment, behavior problems, growth delay, craniofacial defects, and genitourinary abnormalities in males.
Also known as autosomal dominant intellectual disability 42, global developmental delay-neuro-ophthalmological abnormalities-seizures-intellectual disability syndrome, GNB1-related disorder, GNB1-related neurodevelopmental disorder, intellectual developmental disorder, autosomal dominant 42, intellectual disability, autosomal dominant 42, intellectual disability, autosomal dominant type 42, mental retardation, autosomal dominant 42, mental retardation, autosomal dominant type 42, MRD42 — per MONDO