Marbach-Schaaf neurodevelopmental syndrome
MONDO:0859214Mondo
Findings
No curated finding names Marbach-Schaaf neurodevelopmental syndrome 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
- Congenital onset · Infantile onset
HPO, annotations 2026-09-02
Features
36 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.
- Attention deficit hyperactivity disorderHPOHP:0007018
- 5 of 5 reported patients
- Autistic behaviorHPOHP:0000729
- 6 of 6 reported patients
- Delayed speech and language developmentHPOHP:0000750
- 6 of 6 reported patients
- Global developmental delayHPOHP:0001263
- 6 of 6 reported patients
- Neonatal hypotoniaHPOHP:0001319
- 3 of 3 reported patients · Congenital onset
- Speech apraxiaHPOHP:0011098
- 6 of 6 reported patients
- Upslanted palpebral fissureHPOHP:0000582
- 4 of 6 reported patients
- Aggressive behaviorHPOHP:0000718
- 3 of 6 reported patients
- EpicanthusHPOHP:0000286
- 2 of 6 reported patients
- Obstructive sleep apneaHPOHP:0002870
- 2 of 6 reported patients
- AstigmatismHPOHP:0000483
- 1 of 6 reported patients
- BrachydactylyHPOHP:0001156
- 1 of 6 reported patients
Show the remaining 24
- Broad nasal tipHPOHP:0000455
- 1 of 6 reported patients
- Depressed nasal bridgeHPOHP:0005280
- 1 of 6 reported patients
- Downturned corners of mouthHPOHP:0002714
- 1 of 6 reported patients
- Enuresis nocturnaHPOHP:0010677
- 1 of 6 reported patients
- EsotropiaHPOHP:0000565
- 1 of 6 reported patients
- Happy demeanorHPOHP:0040082
- 1 of 6 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.
- PRKAR1BHGNC:9390
- Strong · Labcorp Genetics (formerly Invitae) · Autosomal dominant · 2022
- Strong · PanelApp Australia · Autosomal dominant · 2025