raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:438216

PURA-related severe neonatal hypotonia-seizures-encephalopathy syndrome due to a point mutation

Type
Etiological subtype
Group
Subtype of disorder
Inheritance
Autosomal dominant, Not applicable
Age of onset
Infancy, Neonatal
Status
active

This disease is described under PURA-related severe neonatal hypotonia-seizures-encephalopathy syndrome

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enPURA-related severe neonatal hypotonia-seizures-encephalopathy syndrome due to a point mutation
frSyndrome d'hypotonie-épilepsie-encéphalopathie sévère neonatale associé à PURA dû à une mutation ponctuelle
deSchwere neonatale Hypotonie-Krämpfe-Enzephalopathie-Syndrom durch Punktmutationen im PURA-Gen
esSíndrome neonatal de hipotonía-crisis-encefalopatía grave asociado a PURA por una mutación puntual
itSindrome correlata mutazioni puntiformi di PURA con encefalopatia- crisi epilettiche-ipotonia neonatale grave
nlPURA-gerelateerde ernstige neonatale hypotonie - insulten - encefalopathie-syndroom door een puntmutatie
ptSíndrome de hipotonia neonatal grave-convulsões-encefalopatia PURA-relacionada devida a mutação pontual
plZespół ciężkiej hipotonii noworodkowej, napadów padaczkowych i encefalopatii zależny od PURA spowodowany mutacją punktową
csPURA-vázaná těžká neonatální hypotonie, záchvaty a encefalopatie způsobené bodovými mutacemi
ukСиндром тяжкої неонатальної гіпотонії-судом-енцефалопатії, повязаний з PURA, спричинений точковою мутацією
zh点突变所致PURA相关性严重新生儿肌张力低下-癫痫-脑病综合征
trNokta mutasyonuna bağlı PURA-ilişkili ağır yenidoğan hipotoni-nöbetler-ensefalopati sendromu
2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM616158Evalidated
ICD-10G40.4NTBTattributedvalidated
MONDO0014512Evalidated
UMLSC4015357Evalidated

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
PURADisease-causing germline mutation(s) inAssessedHGNC:9701ENSG000001851296004735q31.3purine rich element binding protein A25342064[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families24 casesWorldwideCase(s)Validated25533962[PMID]_DOI: 10.1101/mcs.a000356[OTHER]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_25533962[PMID]_DOI: 10.1101/mcs.a000356[OTHER]

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

38 annotations · validated 2020-11-12
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0008872Feeding difficulties in infancy
HP:0001263Global developmental delay
HP:0002098Respiratory distress
HP:0001250Seizure
Frequent (79-30%)
HP:0002058Myopathic facies
HP:0011344Severe global developmental delay
Occasional (29-5%)
HP:0000377Abnormal pinna morphology
HP:0006481Abnormality of primary teeth
HP:0000463Anteverted nares
HP:0000739Anxiety
HP:0001251Ataxia
HP:0000455Broad nasal tip
HP:0002136Broad-based gait
HP:0100660Dyskinesia
HP:0001332Dystonia
HP:0000286Epicanthus
HP:0002267Exaggerated startle response
HP:0000324Facial asymmetry
HP:0000297Facial hypotonia
HP:0002007Frontal bossing
HP:0000293Full cheeks
HP:0012899Handgrip myotonia
HP:0000348High forehead
HP:0000218High palate
HP:0011081Incisor macrodontia
HP:0000276Long face
HP:0000637Long palpebral fissure
HP:0000252Microcephaly
HP:0000545Myopia
HP:0011220Prominent forehead
HP:0006829Severe muscular hypotonia
HP:0000736Short attention span
HP:0000506Telecanthus
HP:0010804Tented upper lip vermilion
HP:0000219Thin upper lip vermilion
HP:0000430Underdeveloped nasal alae
HP:0000582Upslanted palpebral fissure
HP:0000431Wide nasal bridge

Run the differential on the 4 obligate / very frequent terms

Annotation source: 27148565[PMID]_28448108[PMID]_25439098[PMID]_25342064[PMID]

7

Sources for this card