raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:716765

Slow-channel congenital myasthenic syndrome

Synonyms: SCCMS · SCS · Slow-channel syndrome

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

Orphadata ships no English definition for this code.

1

Names in Orphadata languages

9 of 12 languages
LangNameSynonyms
enSlow-channel congenital myasthenic syndromeSCCMS · SCS · Slow-channel syndrome
frSyndrome myasthénique congénital du canal lentSCS · Syndrome du canal lent
deMyasthenie-Syndrom, kongenitales, slow-channelSCCMS · SCS · Slow-Channel-Syndrom
esSíndrome miasténico congénito del canal lentoSMC del canal lento · Síndrome del canal lento
itSindrome miastenica congenita del canale lentoSCCMS · SCS · Sindrome del canale lento
nlCongenitaal myastheen syndroom door traag kanaalCMS door traag kanaal · SCCMS · SCS · 'Slow channel'-syndroom · Congenitaal myastheen syndroom door te traag werkend kanaal
ptSlow-channel congenital myasthenic syndromes
plWrodzone zespoły miasteniczne z wolnym kanałem= en
csSlow-channel congenital myasthenic syndrome= en
2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM601462BTNTvalidated
OMIM605809BTNTvalidated
OMIM616313BTNTvalidated
OMIM616321BTNTvalidated

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

4 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
CHRNA1Disease-causing germline mutation(s) (loss of function) inAssessedHGNC:1955ENSG000001384351006902q31.1cholinergic receptor nicotinic alpha 1 subunit20301347[PMID]
CHRNB1Disease-causing germline mutation(s) (loss of function) inAssessedHGNC:1961ENSG0000017017510071017p13.1cholinergic receptor nicotinic beta 1 subunit20301347[PMID]
CHRNDDisease-causing germline mutation(s) (loss of function) inAssessedHGNC:1965ENSG000001359021007202q37.1cholinergic receptor nicotinic delta subunit20301347[PMID]
CHRNEDisease-causing germline mutation(s) (loss of function) inAssessedHGNC:1966ENSG0000010855610072517p13.2cholinergic receptor nicotinic epsilon subunit20301347[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