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1 OMIM reference -
1 associated gene
35 signs/symptoms
COMMON GENES: 1
COMMON SIGNS: 3
1 OMIM reference -
1 associated gene
15 signs/symptoms
Rett syndrome
Trisomy Xq28

MECP2 MECP2


COMMON
GENES
MECP2



Citations in the biomedical literature:


Rett syndrome
MECP2
Trisomy Xq28



Rett syndrome
Trisomy Xq28

Synonym(s):
(no synonyms)

Synonym(s):
- Distal duplication Xq
- Telomeric duplication Xq

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

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

Epidemiological data:
Class of prevalence: 1-9 / 100 000
Average age onset: neonatal/infancy
Average age of death: adult
Type of inheritance: x-linked dominant
Epidemiological data:
(no data available)

External references:
1 OMIM reference -
1 MeSH reference: D015518
External references:
1 OMIM reference -
No MeSH references


COMMON
SIGNS
- Intellectual deficit / mental / psychomotor retardation / learning disability
- Restricted joint mobility / joint stiffness / ankylosis
- Speech troubles / aphasia / dysphasia / echolalia / mutism / logorrhea / dysprosodia


Rett syndrome
Trisomy Xq28

Very frequent
- EEG anomalies
- Execution movement disorder / dysmetria / bradykinesia / akinesia / apraxia
- Microcephaly
- Movement disorder
- Psychic / behavioural troubles
- Seizures / epilepsy / absences / spasms / status epilepticus
- Skull / cranial anomalies
- Tics / stereotypias
- X-linked dominant inheritance

Frequent
- Anomalies of teeth and dentition
- Ataxia / incoordination / trouble of the equilibrium
- Autism / autistic disoders
- Cortical atrophy without hydrocephaly / cerebral hemiatrophy / subcortical atrophy
- Dystonia / torticollis / writer's cramp / blepharospasms
- Humour troubles / anxiety / depression / apathy / euphoria / irritability
- Hypertonia / spasticity / rigidity / stiffness
- Metacarpal anomalies / Archibald's sign
- Respiratory distress / dyspnea / respiratory failure / lung volume reduction
- Scoliosis

Occasional
- Acrocyanosis / Raynaud's phenomenon / vasomotor disorders
- Arnold-Chiari anomaly
- Arthrogryposis
- Auto-aggressivity / auto-mutilation
- Cardiac rhythm disorder / arrhythmia
- Early death / lethality
- Failure to thrive / difficulties for feeding in infancy / growth delay
- Hemiplegia / diplegia / hemiparesia / limb palsy
- Hepatomegaly / liver enlargement (excluding storage disease)
- Muscle hypotrophy / atrophy / dystrophy / agenesis / amyotrophy
- Muscle weakness / flaccidity
- Psychic / psychomotor regression / dementia / intellectual decline
- Small foot


Very frequent
- Blepharophimosis / short palpebral fissures
- Delayed bone age
- Epicanthic folds
- Everted lower lip
- Ptosis
- Short stature / dwarfism / nanism
- Tented upper lip
- Total / partial trisomy / duplication
- Undescended / ectopic testes / cryptorchidia / unfixed testes

Frequent
- Abnormal gait
- Inguinal / inguinoscrotal / crural hernia
- Pectus excavatum