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Char syndrome
1 OMIM reference -
1 associated gene
11 connected diseases
25 signs/symptoms
Disease Type of connection
Atrial septal defect, ostium secundum type
Atrial septal defect, sinus venosus type
Single ventricular septal defect
Situs inversus totalis
Tetralogy of Fallot
Scalp-ear-nipple syndrome
Giant cell glioblastoma
Gliosarcoma
Neurofibromatosis type 3
Burkitt lymphoma
Precursor T-cell acute lymphoblastic leukemia
Synonym(s):
- Patent ductus arteriosus with facial dysmorphism and abnormal fifth digits

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

Classification (ICD10):
- Congenital malformations, deformations and chromosomal abnormalities -

Epidemiological data:
Class of prevalence: <1 / 1 000 000
Average age onset: neonatal/infancy
Average age of death: -
Type of inheritance: autosomal dominant
External references:
1 OMIM reference -
1 MeSH reference: C538076

Gene symbol UniProt reference OMIM reference
TFAP2B Q92481601601
Very frequent
- Autosomal dominant inheritance
- Depressed nasal bridge
- Depressed premaxillary region / midface
- Downslanted palpebral fissures / anti-mongoloid slanting palpebral fissures
- Everted lower lip
- Flattened nose
- Hypertelorism
- Patent ductus arteriosus
- Ptosis
- Short philtrum
- Thick lips

Frequent
- Clinodactyly of fifth finger

Occasional
- Anodontia / oligodontia / hypodontia
- Hearing loss / hypoacusia / deafness
- Intellectual deficit / mental / psychomotor retardation / learning disability
- Myopia
- Polydactyly of toes
- Prominent occiput / occipital bossing
- Somnolence / hypersomnia / parasomnia
- Strabismus / squint
- Supernumerary nipples / polythelia
- Symphalangy of fingers
- Syndactyly of toes
- Upper limb polydactyly / hexadactyly
- Ventricular septal defect / interventricular communication