raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:98795

Angelman syndrome due to paternal uniparental disomy of chromosome 15

Synonyms: UPD(15)pat

Type
Etiological subtype
Group
Subtype of disorder
Age of onset
Infancy
Status
active

This disease is described under Angelman syndrome

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enAngelman syndrome due to paternal uniparental disomy of chromosome 15UPD(15)pat
frSyndrome d'Angelman dû à une disomie uniparentale paternelle du chromosome 15UPD(15) paternelle · UPD(15)pat
deAngelman-Syndrom durch paternale UPD 15= en
esSíndrome de Angelman por disomía uniparental paterna del cromosoma 15= en
itSindrome di Angelman da disomia uniparentale paterna del cromosoma 15= en
nlSyndroom van Angelman door paternale uniparentale disomie van chromosoom 15= en
ptDissomia uniparental de origem paterna, cromossoma 15
plZespół Angelmana z powodu ojcowskiej uniparentalnej disomii chromosomu 15= en
csAngelmanův syndrom způsobený paternální uniparentální dizomií chromozomu 15UDP(15)pat
ukСиндром Ангельмана, зумовлений батьковою уніпарентною дисомією хромосоми 15= en
zh15号染色体父源单亲二体型天使综合征父源性UPD(15)
tr15. kromozomun paternal uniparental dizomisine bağlı Angelman sendromuUPD (15) pat
2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM105830NTBTvalidated
ICD-10Q93.5NTBTattributedvalidated
ICD-11LD90.0NTBTattributedvalidated
MONDO0020303Evalidated
UMLSC5680342Evalidated

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
UBE3ARole in the phenotype ofAssessedHGNC:12496ENSG0000011406260162315q11.2ubiquitin protein ligase E3A22670133[PMID]_24876791[PMID]_25212744[PMID]_20301323[PMID]
5

Prevalence and incidence

0 records

No prevalence record in this release.

6

HPO phenotypes

28 annotations · validated 2020-11-03
HPOTerm (as annotated by Orphanet)Diagnostic
Frequent (79-30%)
HP:0002353EEG abnormality
HP:0011968Feeding difficulties
HP:0001263Global developmental delay
HP:0005599Hypopigmentation of hair
HP:0001010Hypopigmentation of the skin
HP:0001249Intellectual disability
HP:0007730Iris hypopigmentation
HP:0002395Lower limb hyperreflexia
HP:0002465Poor speech
HP:0010808Protruding tongue
HP:0001250Seizure
HP:0100703Tongue thrusting
HP:0000154Wide mouth
HP:0000687Widely spaced teeth
Occasional (29-5%)
HP:0002167Abnormality of speech or vocalization
HP:0007270Atypical absence seizure
HP:0002069Bilateral tonic-clonic seizure
HP:0025190Bilateral tonic-clonic seizure with generalized onset
HP:0002136Broad-based gait
HP:0004485Cessation of head growth
HP:0002015Dysphagia
HP:0011185EEG with focal epileptiform discharges
HP:0008947Floppy infant
HP:0002141Gait imbalance
HP:0002046Heat intolerance
HP:0000303Mandibular prognathia
HP:0002033Poor suck
HP:0005484Secondary microcephaly

Annotation source: 20301323[PMID]_16226874[PMID]_28647735[PMID]

7

Sources for this card