raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:280282

Pelizaeus-Merzbacher-like disease due to GJC2 mutation

Synonyms: PMLD1

Type
Clinical subtype
Group
Subtype of disorder
Inheritance
Autosomal recessive
Age of onset
Infancy, Neonatal
Status
active

This disease is described under Pelizaeus-Merzbacher-like disease

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enPelizaeus-Merzbacher-like disease due to GJC2 mutationPMLD1
frMaladie de Pelizaeus-Merzbacher-like par mutation de GJC2= en
dePelizaeus-Merzbacher-ähnliche Krankheit mit GJC2-Genmutationen= en
esEnfermedad similar a Pelizaeus-Merzbacher por una mutación en el gen GJC2Enfermedad de Pelizaeus-Merzbacher-like por una mutación en el gen GJC2 · PMLD1
itPelizaeus-Merzbacher-simile da mutazione di GJC2= en
nlPelizaeus-Merzbacher-achtige ziekte door GJC2-mutatie= en
ptDoença de Pelizaeus-Merzbacher-like por mutação em GJC2PMLD
plChoroba podobna do choroby Pelizaeusa i Merzbachera z powodu mutacji GJC2= en
csNemoc podobná Pelizaeusově-Merzbacherově, způsobená mutacemi v GJC2 genuPMLD1 · Nemoc podobná Pelizaeus-Merzbacherově, způsobená mutacemi v GJC2 genu
ukХвороба Пеліцея-Мерцбахера, спричинена мутацією GJC2= en
zhGJC2基因变异所致佩-梅样病= en
trGJC2 mutasyonuna bağlı Pelizaeus-Merzbacher-benzeri hastalık= en
2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM608804Evalidated
ICD-10E75.2NTBTattributedvalidated
ICD-11LD90.2NTBTindexvalidated
MONDO0012125Evalidated
MeSHC563855Evalidated
UMLSC1837355Evalidated

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

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
GJC2Disease-causing germline mutation(s) inAssessedHGNC:17494ENSG000001988356088031q42.13gap junction protein gamma 222669416[PMID]_24374284[PMID]
5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—WorldwideClass onlyNot yet validatedORPHANET

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

6

HPO phenotypes

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

7

Sources for this card