GRIN1-related complex neurodevelopmental disorder
Findings
No curated finding names GRIN1-related complex neurodevelopmental disorder yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
A neurodevelopmental disorder caused by variation in the GRIN1 gene. It is characterized by mild-to-profound developmental delay/intellectual disability (DD/ID) in all affected individuals. Other common manifestations are epilepsy, muscular hypotonia, movement disorders, spasticity, feeding difficulties, and behavior issues. A subset of individuals show a malformation of cortical development consisting of extensive and diffuse bilateral polymicrogyria.
Definition from the Mondo Disease Ontology (MONDO:1060123), read 2026-09-29. CC BY 4.0.
Genes
1 gene
Germline variants in the gene encoding each protein, as classified by GenCC submitters, each in their own words. Limited, disputed and refuted submissions are listed too.
- GRIN1HGNC:4584
- Strong · PanelApp Australia · Autosomal recessive · 2025
Where it sits
Other names
2 names
Resolves to: GRIN1-related complex neurodevelopmental disorder
- Also called
- GRIN1-related developmental and epileptic encephalopathyGRIN1-related neurodevelopmental disorder