developmental and epileptic encephalopathy 80

Summary
Synonym
  • DEE80
  • GPIBD20
  • early infantile epileptic encephalopathy 80
  • glycosylphosphatidylinositol biosynthesis defect 20
Definition
A developmental and epileptic encephalopathy characterized by onset in the first year of life of refractory seizures, severe global developmental delay, and defective synthesis of glycosylphosphatidylinositol that has_material_basis_in homozygous or compound heterozygous mutation in the PIGB gene on chromosome 15q21.3.
Super Class
autosomal recessive disease developmental and epileptic encephalopathy
Disease Ontology
DOID:0112216
Related Genes
Displaying 1 entry
Gene ID Gene Symbol Description Source
9488 PIGB phosphatidylinositol glycan anchor biosynthesis class B
Related Glycoprotein
Displaying 1 entry
UniProt ID Protein Name Source
Q92521 GPI mannosyltransferase 3
The Human Phenotype Ontology
Displaying entries 1 - 10 of 46 in total
HPO ID HPO Term
HP:0000007 Autosomal recessive inheritance
HP:0000154 Wide mouth
HP:0000218 High palate
HP:0000280 Coarse facial features
HP:0000293 Full cheeks
HP:0000307 Pointed chin
HP:0000316 Hypertelorism
HP:0000319 Smooth philtrum
HP:0000341 Narrow forehead
HP:0000343 Long philtrum
Displaying 1 entry
Gene ID Gene Symbol Description
9488 PIGB phosphatidylinositol glycan anchor biosynthesis class B

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Acknowledgements

Supported by JST NBDC Grant Number JPMJND2204

Partly supported by NIH Common Fund Grant #1U01GM125267-01


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Last updated: April 7, 2025