raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:101

Dentatorubral pallidoluysian atrophy

Synonyms: DRPLA · Dentatorubropallidoluysian atrophy · Naito-Oyanagi disease

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
All ages
Status
active

A rare subtype of autosomal dominant cerebellar ataxia type I characterized by involuntary movements, ataxia, epilepsy, mental disorders, cognitive decline and prominent anticipation.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enDentatorubral pallidoluysian atrophyDRPLA · Dentatorubropallidoluysian atrophy · Naito-Oyanagi disease
frAtrophie dentato-rubro-pallido-luysienneADRPL · DRPLA · Maladie de Naito-Oyanagi
deAtrophie, dentatorubrale-pallidolysialeDRPLA · Naito-Oyanagi-Krankheit
esAtrofia dentato-rubro-pálido-luisianaDRPLA
itAtrofia dentato-rubro-pallido-luisianaDRPLA · Malattia di Naito-Oyanagi
nlDentatorubro-pallidoluysische atrofieDRPLA · Ziekte van Naito-Oyanagi
ptAtrofia dentato-rubro-palido-luisianaDRPLA · Síndrome Naito-Oyanagi
plZanik jądra zębatego, jądra czerwiennego, gałki bladej i jądra niskowzgórzowegoChoroba Naito i Oyanagi · DRplA · Zanik jądra zębatego, jądra czerwiennego, gałki bladej i jądra niskowzgórzowego
csDentatorubropalidoluysická atrofieDRPLA · Dentato-rubro-pallidoluysianská atrofie · Nemoc Naito-Oyanagi
ukДентаторубрал-палідолуїзійна атрофіяАтрофія зубощелепно-піднебінної ділянки · DRPLA · Хвороба Найто-Оянагі
zh齿状核红核苍白球路易体萎缩齿状核红核苍白球丘脑下核萎缩
trDentatorubral pallidoluysian atrofisiDRPLA · Naito-Oyanagi hastalığı · Dentatorubropallidoluysian atrofi

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM125370Evalidated
ICD-10G11.8NTBTattributedvalidated
ICD-118A01.12Especificvalidated
MONDO0007435Evalidated
UMLSC0751781Evalidated
GARD5643Evalidated
MedDRA10075298Evalidated

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 (2):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
ATN1Disease-causing germline mutation(s) inAssessedHGNC:3033ENSG0000011167660746212p13.31atrophin 1
5

Prevalence and incidence

3 records
TypeClassValueAreaQualificationValidationSource
Point prevalence1-9 / 1 000 0000.48 / 100 000JapanValue and classValidated18418674[PMID]_[EXPERT]
Point prevalence1-9 / 1 000 0000.71 / 100 000United KingdomValue and classNot yet validated17965145[PMID]
Point prevalence1-9 / 1 000 000—EuropeClass 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

26 annotations · validated 2018-03-05
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0002073Progressive cerebellar ataxia
Frequent (79-30%)
HP:0002345Action tremor
HP:0001251Ataxia
HP:0001266Choreoathetosis
HP:0100543Cognitive impairment
HP:0000726Dementia
HP:0001260Dysarthria
HP:0002075Dysdiadochokinesis
HP:0001310Dysmetria
HP:0010867Dyssynergia
HP:0002066Gait ataxia
HP:0030890Hyperintensity of cerebral white matter on MRI
HP:0001265Hyporeflexia
HP:0010831Impaired proprioception
HP:0004305Involuntary movements
HP:0002070Limb ataxia
HP:0001336Myoclonus
HP:0000639Nystagmus
HP:0000597Ophthalmoparesis
HP:0001138Optic neuropathy
HP:0001152Saccadic smooth pursuit
HP:0001250Seizure
HP:0002078Truncal ataxia
Occasional (29-5%)
HP:0000643Blepharospasm
HP:0002354Memory impairment
HP:0012048Oromandibular dystonia

Run the differential on the 1 obligate / very frequent terms

Annotation source: 7614090[PMID]_21827919[PMID]_21619691[PMID]_6808417[PMID]

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Sources for this card