congenital myasthenic syndrome 11
Findings
No curated finding names congenital myasthenic syndrome 11 yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
Any congenital myasthenic syndrome in which the cause of the disease is a mutation in the RAPSN gene.
Definition from the Mondo Disease Ontology (MONDO:0014588), read 2026-09-29. CC BY 4.0.
- Inheritance
- Autosomal recessive inheritance
- Onset and course
- Congenital onset
HPO, annotations 2026-09-02
Features
18 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.
- Easy fatigabilityHPOHP:0003388
- 4 of 4 reported patients
- EMG: decremental response of compound muscle action potential to repetitive nerve stimulationHPOHP:0003403
- 3 of 3 reported patients
- PtosisHPOHP:0000508
- 4 of 4 reported patients
- Weak cryHPOHP:0001612
- 4 of 4 reported patients
- Poor suckHPOHP:0002033
- 3 of 4 reported patients
- Decreased fetal movementHPOHP:0001558
- 2 of 4 reported patients
- FallsHPO
Show the remaining 6
- Difficulty runningHPOHP:0009046
- 1 of 4 reported patients
- Failure to thriveHPOHP:0001508
- 1 of 4 reported patients
- Generalized muscle weaknessHPOHP:0003324
- 1 of 4 reported patients
- Neonatal respiratory distressHPOHP:0002643
- 1 of 4 reported patients
- Respiratory tract infectionHPOHP:0011947
- 1 of 4 reported patients
- Anti-neuromuscular Junction acetylcholine receptor antibody positivityHPOHP:0030208
- 0 of 4 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.
- RAPSNHGNC:9863
- Definitive · Natera · Autosomal recessive · 2023
- Strong · Genomics England PanelApp · Autosomal recessive · 2021
- Strong · Labcorp Genetics (formerly Invitae) · Autosomal recessive · 2021
- Strong · PanelApp Australia · Autosomal recessive · 2025
Where it sits
Other names
4 names
Resolves to: congenital myasthenic syndrome 11
- Also called
- CMS11congenital myasthenic syndrome caused by mutation in RAPSNcongenital myasthenic syndrome type 11RAPSN congenital myasthenic syndrome