intellectual developmental disorder with hypotonia, impaired speech, and dysmorphic facies
MONDO:0859197Mondo
Findings
No curated finding names intellectual developmental disorder with hypotonia, impaired speech, and dysmorphic facies yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
- Inheritance
- Autosomal dominant inheritance
- Onset and course
- Infantile onset
HPO, annotations 2026-09-02
Features
32 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.
- Delayed speech and language developmentHPOHP:0000750
- 15 of 15 reported patients
- Global developmental delayHPOHP:0001263
- 15 of 15 reported patients
- Intellectual disabilityHPOHP:0001249
- 9 of 9 reported patients
- HypotoniaHPOHP:0001252
- 11 of 15 reported patients
- StrabismusHPOHP:0000486
- 7 of 15 reported patients
- SeizureHPOHP:0001250
- 6 of 15 reported patients
- MicrocephalyHPOHP:0000252
- 5 of 15 reported patients
- Absent speechHPOHP:0001344
- 4 of 15 reported patients
- AstigmatismHPOHP:0000483
- 4 of 15 reported patients
- HypermetropiaHPOHP:0000540
- 4 of 15 reported patients
- MyopiaHPOHP:0000545
- 4 of 15 reported patients
- Cerebellar hypoplasiaHPOHP:0001321
- 3 of 13 reported patients
Show the remaining 20
- Inability to walkHPOHP:0002540
- 3 of 15 reported patients
- HypertoniaHPOHP:0001276
- 2 of 15 reported patients
- AtaxiaHPOHP:0001251
- Attention deficit hyperactivity disorderHPOHP:0007018
- Autistic behaviorHPOHP:0000729
- Coarse facial featuresHPOHP:0000280
- Delayed CNS myelinationHPOHP:0002188
- Everted lower lip vermilionHPO
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.
- TNPO2HGNC:19998
- Strong · Labcorp Genetics (formerly Invitae) · Autosomal dominant · 2021
- Strong · PanelApp Australia · Autosomal dominant · 2025
- Limited · G2P · Autosomal dominant · 2021
Where it sits
- A kind of