raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:730743

Childhood-onset TK2-related mitochondrial DNA maintenance defect, myopathic form

Type
Clinical 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
enChildhood-onset TK2-related mitochondrial DNA maintenance defect, myopathic form
frDéfaut de maintenance de l'ADN mitochondriale associé à TK2 de l'enfance, forme myopathique
deIm Kindesalter beginnendes TK2-assoziiertes mitochondriales DNA-Depletionssyndrom, myopathische Form
esDefecto de mantenimiento del ADN mitocondrial asociada al gen TK2 de inicio en la infancia, forma miopática
itDifetto del mantenimento del DNA mitocondriale correlato a TK2, ad esordio infantile, forma miopatica
nlTK2-gerelateerd mitochondriaal DNA-handhavingsdefect beginnend op kinderleeftijd, myopathische vorm
ptChildhood-onset TK2-related mitochondrial DNA maintenance defect, myopathic form
plChildhood-onset TK2-related mitochondrial DNA maintenance defect, myopathic form
csChildhood-onset TK2-related mitochondrial DNA maintenance defect, myopathic form
2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM609560NTBTvalidated

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
TK2Disease-causing germline mutation(s) inAssessedHGNC:11831ENSG0000016654818825016q21thymidine kinase 223230576[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