raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:719880

Congenital myasthenic syndrome due to acetylcholine receptor clustering defect

Synonyms: CMS due to acetylcholine receptor clustering defect

Type
Etiological subtype
Group
Subtype of disorder
Inheritance
Autosomal recessive
Status
active

Orphadata ships no English definition for this code.

1

Names in Orphadata languages

9 of 12 languages
LangNameSynonyms
enCongenital myasthenic syndrome due to acetylcholine receptor clustering defectCMS due to acetylcholine receptor clustering defect
frSyndrome myasthénique congénital par défaut de regroupement des récepteurs de l'acétylcholineSMC par défaut de regroupement des récepteurs de l'acétylcholine
deKongenitales myasthenes Syndrom durch Acetylcholinrezeptor-MangelRAPSN-assoziiertes CMS · CMS durch AChR-Defizienz
esSíndrome miasténico congénito por defecto de agrupación de receptores de acetilcolinaSMC por defecto de agrupación de receptores de acetilcolina
itSindrome miastenica congenita da difetto del raggruppamento dei recettori dell'acetilcolinaCMS da difetto del raggruppamento dei recettori dell'acetilcolina
nlCongenitaal myastheen syndroom door clusteringdefect van acetylcholinereceptorCMS door clusteringdefect van acetylcholinereceptor
ptCongenital myasthenic syndrome due to defects in acetylcholine receptor clustering
plCongenital myasthenic syndrome due to acetylcholine receptor clustering defect= en
csCongenital myasthenic syndrome due to acetylcholine receptor clustering defect= en
2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM616326BTNTvalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

3

Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (1):

No children.

4

Genes

3 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
AK9Disease-causing germline mutation(s) inAssessedHGNC:33814ENSG000001550856153586q21adenylate kinase 927966543[PMID]
CHRNDDisease-causing germline mutation(s) inAssessedHGNC:1965ENSG000001359021007202q37.1cholinergic receptor nicotinic delta subunit16916845[PMID]
RAPSNDisease-causing germline mutation(s) inAssessedHGNC:9863ENSG0000016591760159211p11.2receptor associated protein of the synapse20301347[PMID]
5

Prevalence and incidence

0 records

No prevalence record in this release.

6

HPO phenotypes

Orphanet has no HPO annotation for this code in this release.

7

Sources for this card