intellectual disability, autosomal recessive 53
MONDO:0014832Mondo
Findings
No curated finding names intellectual disability, autosomal recessive 53 yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
- Inheritance
- Autosomal recessive inheritance
- Onset and course
- Infantile onset · Fetal onset
HPO, annotations 2026-09-02
Features
40 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.
- Global developmental delayHPOHP:0001263
- 5 of 5 reported patients
- Profound intellectual disabilityHPOHP:0002187
- 5 of 5 reported patients
- HypotoniaHPOHP:0001252
- Very frequent (80% to 99% of cases)
- SeizureHPOHP:0001250
- 3 of 5 reported patients
- Very frequent (80% to 99% of cases)
- Severe global developmental delayHPOHP:0011344
- Very frequent (80% to 99% of cases)
- Abnormal facial shapeHPOHP:0001999
- Frequent (30% to 79% of cases)
- Abnormal lateral ventricle morphologyHPOHP:0030047
- Frequent (30% to 79% of cases)
- Cerebellar hypoplasiaHPOHP:0001321
- 2 of 5 reported patients
- Frequent (30% to 79% of cases)
- Delayed ability to walkHPOHP:0031936
- Frequent (30% to 79% of cases)
- Delayed speech and language developmentHPOHP:0000750
- Frequent (30% to 79% of cases)
- Gait ataxiaHPOHP:0002066
- Frequent (30% to 79% of cases)
- Gait imbalanceHPOHP:0002141
- Frequent (30% to 79% of cases)
Show the remaining 28
- Growth delayHPOHP:0001510
- Frequent (30% to 79% of cases)
- Hypoplasia of the corpus callosumHPOHP:0002079
- 1 of 5 reported patients
- Frequent (30% to 79% of cases)
- HyporeflexiaHPOHP:0001265
- Frequent (30% to 79% of cases)
- Joint hypermobilityHPOHP:0001382
- Frequent (30% to 79% of cases)
- AtaxiaHPOHP:0001251
- 2 of 5 reported patients
- Cerebral atrophyHPOHP:0002059
- 2 of 5 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.
- PIGGHGNC:25985
- Definitive · Ambry Genetics · Autosomal recessive · 2024
- Strong · Labcorp Genetics (formerly Invitae) · Autosomal recessive · 2021
- Strong · PanelApp Australia · Autosomal recessive · 2025
- Strong · G2P · Autosomal recessive · 2016
Where it sits
Other names
10 names
Resolves to: intellectual disability, autosomal recessive 53
- Also called
- congenital disorder of glycosylation due to PIGG deficiencyearly-onset epilepsy-intellectual disability-brain anomalies syndromeglycosylphosphatidylinositol biosynthesis defect 13GPIBD13intellectual developmental disorder, autosomal recessive 53intellectual disability, autosomal recessive type 53mental retardation, autosomal recessive 53mental retardation, autosomal recessive type 53MRT53PIGG-CDG