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Definition

A form of epileptic encephalopathy, a heterogeneous group of severe childhood onset epilepsies characterized by refractory seizures, neurodevelopmental impairment, and poor prognosis. Development is normal prior to seizure onset, after which cognitive and motor delays become apparent. Some EIEE36 patients may present with an abnormal isoelectric focusing of serum transferrin, consistent with a diagnostic classification of congenital disorder of glycosylation type I. Congenital disorders of glycosylation result in a wide variety of clinical features, such as defects in the nervous system development, psychomotor retardation, dysmorphic features, hypotonia, coagulation disorders, and immunodeficiency. The broad spectrum of features reflects the critical role of N-glycoproteins during embryonic development, differentiation, and maintenance of cell functions.

Acronym

EIEE36

Synonyms

CDG1S
CDGIs
CDG Is
CDG-Is
Congenital disorder of glycosylation 1s
Congenital disorder of glycosylation type Is

Keywords

Epilepsy
Congenital disorder of glycosylation

 
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