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1 OMIM reference -
4 associated genes
28 signs/symptoms
PROTEIN INTERACTIONS: 1
COMMON SIGNS: 3
18 OMIM references -
18 associated genes
16 signs/symptoms
Hoyeraal-Hreidarsson syndrome
Leber congenital amaurosis

DKC1 AIPL1
RTEL1 CEP290
TERT CRB1
TINF2 CRX
GDF6
GUCY2D
IMPDH1
IQCB1
KCNJ13
LCA5
LRAT
NMNAT1
RD3
RDH12
RPE65
RPGRIP1
SPATA7
TULP1


INTERACTOME
ASSOCIATIONS

(click on a score value to see the evidence)
TINF2
(0.63)
AIPL1



Citations in the biomedical literature:


Hoyeraal-Hreidarsson syndrome
DKC1 RTEL1 TERT TINF2
Leber congenital amaurosis
AIPL1 CEP290 CRB1 CRX GDF6 GUCY2D
IMPDH1 IQCB1 KCNJ13 LCA5 LRAT NMNAT1
RD3 RDH12 RPE65 RPGRIP1 SPATA7 TULP1



Hoyeraal-Hreidarsson syndrome
Leber congenital amaurosis

Synonym(s):
- Progressive pancytopenia - immunodeficiency - cerebellar hypoplasia

Synonym(s):
- Amaurosis congenita of Leber

Classification (Orphanet):
- Rare developmental defect during embryogenesis
- Rare genetic disease
- Rare hematologic disease
- Rare immune disease
- Rare neurologic disease
Classification (Orphanet):
- Rare eye disease
- Rare genetic disease

Classification (ICD10):
- Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism -
Classification (ICD10):
- Diseases of the eye and adnexa -

Epidemiological data:
Class of prevalence: <1 / 1 000 000
Average age onset: neonatal/infancy
Average age of death: child / adolescent
Type of inheritance: autosomal dominant
Epidemiological data:
Class of prevalence: 1-9 / 100 000
Average age onset: neonatal/infancy
Average age of death: normal
Type of inheritance: autosomal dominant

External references:
1 OMIM reference -
1 MeSH reference: C536068
External references:
18 OMIM references -
1 MeSH reference: D057130


COMMON
SIGNS
- Autosomal recessive inheritance
- Cerebellum / cerebellar vermis anomaly / agenesis / hypoplasia
- Intellectual deficit / mental / psychomotor retardation / learning disability


Hoyeraal-Hreidarsson syndrome
Leber congenital amaurosis

Very frequent
- Failure to thrive / difficulties for feeding in infancy / growth delay
- Immunodeficiency / increased susceptibility to infections / recurrent infections
- Intrauterine growth retardation
- Microcephaly
- Purpura / petichiae
- Short stature / dwarfism / nanism
- Thrombocytopenia / thrombopenia
- X-linked recessive inheritance

Frequent
- Anaemia
- Clotting / hemostasis disorders
- Cortical atrophy without hydrocephaly / cerebral hemiatrophy / subcortical atrophy
- Decreased hair pigmentation / hypopigmentation of hair
- Diffuse / generalised skin hyperpigmentation / melanoderma
- Dilated cerebral ventricles without hydrocephaly
- Enanthema / aphtosa / aphta / leukoplakia
- Hypertonia / spasticity / rigidity / stiffness
- Hypotrichosis / atrichia / atrichiasis / scalp hairlessness
- Nails anomalies
- Rippled skin

Occasional
- Areflexia / hyporeflexia
- Ataxia / incoordination / trouble of the equilibrium
- Bone marrow failure / pancytopenia
- Intracranial / cerebral calcifications
- Neoplasms / tumors
- White cell disorders


Very frequent
- Optic nerve anomaly / optic atrophy / anomaly of the papilla
- Retinitis pigmentosa / retinal pigmentary changes
- Visual loss / blindness / amblyopia

Frequent
- Abnormal ERG / electroretinogram / electroretinography
- Agyria / micro / pachy / macrogyria / lissencephaly / gyration / neuronal migration defect
- Cataract / lens opacification
- Encephalocele / exencephaly
- Hemiplegia / diplegia / hemiparesia / limb palsy
- Hypotonia
- Keratoconus / keratoglobus
- Nystagmus
- Seizures / epilepsy / absences / spasms / status epilepticus

Occasional
- Hearing loss / hypoacusia / deafness