raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:716825

Congenital myasthenic syndrome due to defects in endplate development and maintenance

Synonyms: Defect in endplate development and maintenance

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 defects in endplate development and maintenanceDefect in endplate development and maintenance
frSyndrome myasthénique congénital dus à une annomalie du maintien et développement de la plaque motrice
deKongenitales myasthenes Syndrom durch Defekt der postsynaptischen EndplatteKongenitales Myastheniesyndrom durch Defekte in der Endplattenentwicklung und -erhaltung
esSíndrome miasténico congénito por defectos del desarrollo y mantenimiento de la placa terminalDefecto en el desarrollo y mantenimiento de la placa terminal
itSindrome miastenica congenita da difetti nello sviluppo e nel mantenimento della placca terminaleDifetti nello sviluppo e nel mantenimento della placca terminale · Difetto dello sviluppo e del mantenimento della placca terminale
nlCongenitaal myastheen syndroom door defecten van ontwikkeling en onderhoud van eindplaatDefect van ontwikkeling en onderhoud van eindplaat · CMS door defecten van ontwikkeling en onderhoud van eindplaat
ptCongenital myasthenic syndromes due to defects in endplate development and maintenance
plWrodzone zespoły miasteniczne spowodowane defektami rozwoju i utrzymania płytki granicznej= en
csCongenital myasthenic syndrome due to defects in endplate development and maintenance= en
2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM254300BTNTvalidated
OMIM615120BTNTvalidated
OMIM616304BTNTvalidated
OMIM616325BTNTvalidated

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
AGRNDisease-causing germline mutation(s) inAssessedHGNC:329ENSG000001881571033201p36.33agrin22205389[PMID]_19631309[PMID]_20301347[PMID]
DOK7Disease-causing germline mutation(s) inAssessedHGNC:26594ENSG000001759206102854p16.3docking protein 720301347[PMID]
LRP4Disease-causing germline mutation(s) inAssessedHGNC:6696ENSG0000013456960427011p11.2LDL receptor related protein 424234652[PMID]
MUSKDisease-causing germline mutation(s) inAssessedHGNC:7525ENSG000000303046012969q31.3muscle associated receptor tyrosine kinase20301347[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