cerebellar ataxia, intellectual disability, and dysequilibrium syndrome 4
Findings
No curated finding names cerebellar ataxia, intellectual disability, and dysequilibrium syndrome 4 yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
Any dysequilibrium syndrome in which the cause of the disease is a mutation in the ATP8A2 gene.
Definition from the Mondo Disease Ontology (MONDO:0014104), read 2026-09-29. CC BY 4.0.
- Inheritance
- Autosomal recessive inheritance
HPO, annotations 2026-09-02
Features
8 features
What the disease is reported to present with, and how often among people who have it — never how often a feature means the disease. HPO, annotations 2026-09-02.
- Cerebellar atrophyHPOHP:0001272
- 4 of 4 reported patients
- Cerebral cortical atrophyHPOHP:0002120
- 4 of 4 reported patients
- Corpus callosum atrophyHPOHP:0007371
- 4 of 4 reported patients
- DysarthriaHPOHP:0001260
- 4 of 4 reported patients
- Intellectual disabilityHPOHP:0001249
- 4 of 4 reported patients
- Truncal ataxiaHPOHP:0002078
- 4 of 4 reported patients
- Inability to walkHPOHP:0002540
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.
- ATP8A2HGNC:13533
- Strong · Labcorp Genetics (formerly Invitae) · Autosomal recessive · 2021
- Strong · G2P · Autosomal recessive · 2026
- Strong · PanelApp Australia · Autosomal recessive · 2025
Where it sits
Other names
5 names
Resolves to: cerebellar ataxia, intellectual disability, and dysequilibrium syndrome 4
- Also called
- ATP8A2 dysequilibrium syndromecerebellar ataxia, intellectual disability, and dysequilibrium syndrome type 4cerebellar ataxia, mental retardation, and dysequilibrium syndrome 4cerebellar ataxia, mental retardation, and dysequilibrium syndrome type 4dysequilibrium syndrome caused by mutation in ATP8A2