developmental and epileptic encephalopathy, 29
Findings
No curated finding names developmental and epileptic encephalopathy, 29 yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
Any early infantile epileptic encephalopathy in which the cause of the disease is a mutation in the AARS gene.
Definition from the Mondo Disease Ontology (MONDO:0014593), read 2026-09-29. CC BY 4.0.
- Inheritance
- Autosomal recessive inheritance
- Onset and course
- Infantile onset
HPO, annotations 2026-09-02
Features
20 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.
- AreflexiaHPOHP:0001284
- 3 of 3 reported patients
- BlepharospasmHPOHP:0000643
- 3 of 3 reported patients
- Cerebral atrophyHPOHP:0002059
- 3 of 3 reported patients
- ChoreaHPOHP:0002072
- 3 of 3 reported patients
- Failure to thriveHPOHP:0001508
- 3 of 3 reported patients
- Global developmental delayHPOHP:0001263
- 3 of 3 reported patients
- Limb dystoniaHPOHP:0002451
Show the remaining 8
- Axial hypotoniaHPOHP:0008936
- 2 of 3 reported patients
- CNS hypomyelinationHPOHP:0003429
- 2 of 3 reported patients
- Hip dislocationHPOHP:0002827
- 2 of 3 reported patients · Congenital onset
- Intrauterine growth retardationHPOHP:0001511
- 2 of 3 reported patients
- Short statureHPOHP:0004322
- 2 of 3 reported patients
- NystagmusHPOHP:0000639
- 1 of 3 reported patients
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.
- AARS1HGNC:20
- Definitive · ClinGen · Autosomal recessive · 2025
- Strong · Labcorp Genetics (formerly Invitae) · Autosomal recessive · 2022
- Strong · G2P · Autosomal recessive · 2025
- Strong · PanelApp Australia · Autosomal recessive · 2025
Where it sits
Other names
7 names
Resolves to: developmental and epileptic encephalopathy, 29
- Also called
- AARS early infantile epileptic encephalopathyDEE29developmental and epileptic encephalopathy 29early infantile epileptic encephalopathy caused by mutation in AARSEIEE29epileptic encephalopathy, early infantile, 29epileptic encephalopathy, early infantile, type 29