raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2754

Orofaciodigital syndrome type 6

Synonyms: Joubert syndrome with oral-facial-digital syndrome · Joubert syndrome with orofaciodigital defect · OFD6 · Oral-facial-digital syndrome type 6 · Polydactyly-cleft lip/palate-psychomotor retardation syndrome · Váradi syndrome · Váradi-Papp syndrome

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

Joubert syndrome with orofaciodigital defect (or oral-facial-digital syndrome type 6, OFD6) is a very rare subtype of Joubert syndrome and related disorders (JSRD) characterized by the neurological features of JS associated with orofacial anomalies and often polydactyly.

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Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enOrofaciodigital syndrome type 6Joubert syndrome with oral-facial-digital syndrome · Joubert syndrome with orofaciodigital defect · OFD6 · Oral-facial-digital syndrome type 6 · Polydactyly-cleft lip/palate-psychomotor retardation syndrome · Váradi syndrome · Váradi-Papp syndrome
frSyndrome orofaciodigital type 6OFD6 · Syndrome de Joubert avec atteinte orofaciodigitale · Syndrome de Váradi · Syndrome de Váradi-Papp · Syndrome de polydactylie-fente labiopalatine-retard psychomoteur
deOro-fazio-digitales Syndrom Typ 6Joubert-Syndrom mit oro-fazio-digitalem Defekt · OFD6 · Polydaktylie-Lippen-/Gaumenspalte-psychomotorische Entwicklungsverzögerung-Syndrom · Váradi-Papp-Syndrom · Váradi-Syndrom
esSíndrome orofaciodigital tipo 6OFD6 · Síndrome de Joubert con defecto orofaciodigital · Síndrome de Joubert con síndrome oro-facio-digital · Síndrome de Váradi · Síndrome de Váradi-Papp · Síndrome de polidactilia-fisura labiopalatina-retraso psicomotor · Síndrome oro-facio-digital tipo 6
itSindrome di Joubert con difetto oro-facio-digitaleOFD6 · Polidattilia - labio/palatoschisi - ritardo psicomotorio · Sindrome di Varadi-Papp · Sindrome di Váradi · Sindrome orale-facciale-digitale, tipo 6 · Sindrome oro-facio-digitale, tipo 6
nlOrofaciodigitaal syndroom type 6OFD6 · Oraal-faciaal-digitaal syndroom type 6 · Polydactylie - gespleten lip/verhemelte - psychomotorische retardatie-syndroom · Syndroom van Joubert met oraal-faciaal-digitaal syndroom · Syndroom van Joubert met orofaciodigitaal defect · Syndroom van Váradi · Syndroom van Váradi-Papp
ptSíndrome oro-facio-digital tipo 6OFD6 · Síndrome Joubert com defeito oro-facio-digital
plZespół Jouberta ze spektrum ustno-twarzowo-palcowymOFD6 · Polidaktylia - rozszczep wargi/podniebienia - opóźnienie rozwoju psychomotorycznego · Zespół ustno-twarzowo-palcowy typu 7 · Zespół ustno-twarzowo-palcowy typu 7 · Zespół Váradi · Zespół Váradi i Pappa
csJoubertův syndrom s orofaciodigitálním defektemOFD6 · Orofaciodigitální syndrom, typ 6 · Váradiové syndrom · Syndrom zahrnující polydaktylii, rozštěp rtu/patra a psychomotorickou retardaci · Váradiové-Pappův syndrom · Váradi-Pappův syndrom
ukОрофаціодигітальний синдром, тип 6Синдром Жубера з орально-лицево-пальцевим синдромом · Синдром Жубера з орофаціально-пальцевим дефектом · OFD6 · Орально-лицево-пальцевий синдром, тип 6 · Синдром полідактилії - розщілини губи/піднебіння - затримки психомоторного розвитку · Синдром Вараді · Синдром Вараді-Паппа
zh口面指综合征6型多指(趾)畸形-唇/腭裂-精神运动发育迟缓综合征
trOrofasiyodijital sendrom tip 6OFD6 · Váradi sendromu · Váradi-Papp sendromu · Oral-fasiyal-dijital sendromu tip 6 · Orofasiyodijital defekt ile seyreden Joubert sendromu · Oral-fasiyal-dijital sendrom ile seyreden Joubert sendromu · Polidaktili-yarık dudak / damak-psikomotor gerilik sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM277170Evalidated
OMIM300804BTNTvalidated
OMIM614815BTNTvalidated
OMIM615665BTNTvalidated
OMIM617127BTNTvalidated
OMIM618763BTNTvalidated
ICD-10Q04.3NTBTattributedvalidated
ICD-11LD25.00NTBTindexvalidated
MONDO0010176Evalidated
MeSHC536531Evalidated
UMLSC2745997Evalidated
GARD4412Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

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Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (5):

No children.

Codes that Orphanet moved or referred to this one:

4

Genes

10 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
PDE6DDisease-causing germline mutation(s) (loss of function) inAssessedHGNC:8788ENSG000001569736026762q37.1phosphodiesterase 6D24166846[PMID]
CPLANE1Disease-causing germline mutation(s) inAssessedHGNC:25801ENSG000001976036145715p13.2ciliogenesis and planar polarity effector complex subunit 124178751[PMID]
FAM149B1Disease-causing germline mutation(s) inAssessedHGNC:29162ENSG0000013828661841310q22.2family with sequence similarity 149 member B130905400[PMID]
KIAA0753Disease-causing germline mutation(s) inAssessedHGNC:29110ENSG0000019892061711217p13.1KIAA075326643951[PMID]
KIF7Disease-causing germline mutation(s) inAssessedHGNC:30497ENSG0000016681361125415q26.1kinesin family member 720301500[PMID]_21633164[PMID]
OFD1Disease-causing germline mutation(s) inAssessedHGNC:2567ENSG00000046651300170Xp22.2OFD1 centriole and centriolar satellite protein20301500[PMID]
TCTN3Disease-causing germline mutation(s) inAssessedHGNC:24519ENSG0000011997761384710q24.1tectonic family member 322883145[PMID]_20301500[PMID]
TMEM216Disease-causing germline mutation(s) inAssessedHGNC:25018ENSG0000018704961327711q13.1transmembrane protein 21620615230[PMID]_20301500[PMID]
TMEM231Disease-causing germline mutation(s) inAssessedHGNC:37234ENSG0000020508461494916q23.1transmembrane protein 23126982032[PMID]
TOPORSDisease-causing germline mutation(s) inAssessedHGNC:21653ENSG000001975796095079p21.1TOP1 binding arginine/serine rich protein, E3 ubiquitin ligase34132027[PMID]
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Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families2 familiesWorldwideFamily(ies)Validated20512146[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_20512146[PMID]

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

52 annotations · validated 2018-04-11
HPOTerm (as annotated by Orphanet)Diagnostic
Frequent (79-30%)
HP:0000190Abnormal oral frenulum morphology
HP:0001251Ataxia
HP:0008689Bilateral cryptorchidism
HP:0004422Biparietal narrowing
HP:0001156Brachydactyly
HP:0000455Broad nasal tip
HP:0000175Cleft palate
HP:0000405Conductive hearing impairment
HP:0000286Epicanthus
HP:0000565Esotropia
HP:0001508Failure to thrive
HP:0008872Feeding difficulties in infancy
HP:0040019Finger clinodactyly
HP:0002007Frontal bossing
HP:0001288Gait disturbance
HP:0001290Generalized hypotonia
HP:0001263Global developmental delay
HP:0001510Growth delay
HP:0011802Hamartoma of tongueDiagnostic criterion
HP:0000218High palate
HP:0000316Hypertelorism
HP:0007036Hypoplasia of olfactory tract
HP:0001252Hypotonia
HP:0001249Intellectual disability
HP:0000180Lobulated tongue
HP:0000276Long face
HP:0000347Micrognathia
HP:0002419Molar tooth sign on MRI
HP:0000639Nystagmus
HP:0000358Posteriorly rotated ears
HP:0100258Preaxial polydactyly
HP:0004322Short stature
HP:0001159Syndactyly
HP:0000199Tongue nodules
Occasional (29-5%)
HP:0001627Abnormal heart morphology
HP:0002269Abnormality of neuronal migration
HP:0007370Aplasia/Hypoplasia of the corpus callosum
HP:0002104Apnea
HP:0006145Central Y-shaped metacarpal
HP:0001320Cerebellar vermis hypoplasia
HP:0002876Episodic tachypnea
HP:0001829Foot polydactyly
HP:0001161Hand polydactyly
HP:0002553Highly arched eyebrow
HP:0002444Hypothalamic hamartomaDiagnostic criterion
HP:0100260Mesoaxial polydactylyDiagnostic criterion
HP:0009084Midline notch of upper alveolar ridge
HP:0000426Prominent nasal bridge
HP:0000104Renal agenesis
HP:0008678Renal hypoplasia/aplasia
HP:0001250Seizure
HP:0001337Tremor

Annotation source: 20615230[PMID]_17377524[PMID]_2309783[PMID]_23523602[PMID]_8256802[PMID]_2309783[PMID]_7381865[PMID]

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Sources for this card