developmental and epileptic encephalopathy 12

Summary
Synonym
  • DEE12
  • early infantile epileptic encephalopathy 12
Definition
A developmental and epileptic encephalopathy characterized by onset of refractory seizures in the first year of life with normal to mild developmental delay before onset of seizures but developmental regression and stagnation after seizure onset that has_material_basis_in homozygous or compound heterozygous mutation in the PLCB1 gene on chromosome 20p12.3.
Super Class
autosomal recessive disease developmental and epileptic encephalopathy
Disease Ontology
DOID:0080459
Related Genes
Displaying 1 entry
Gene ID Gene Symbol Description Source
23236 PLCB1 phospholipase C beta 1
Related Glycoprotein
The Human Phenotype Ontology
Displaying entries 11 - 20 of 34 in total
HPO ID HPO Term
HP:0002650 Scoliosis
HP:0000252 Microcephaly
HP:0007334 Bilateral tonic-clonic seizure with focal onset
HP:0002069 Bilateral tonic-clonic seizure
HP:0012448 Delayed myelination
HP:0001273 Abnormal corpus callosum morphology
HP:0002540 Inability to walk
HP:0100543 Cognitive impairment
HP:0001508 Failure to thrive
HP:0004302 Functional motor deficit
Displaying all 3 entries
Gene ID Gene Symbol Description
23236 PLCB1 phospholipase C beta 1
5277 PIGA phosphatidylinositol glycan anchor biosynthesis class A
6487 ST3GAL3 ST3 beta-galactoside alpha-2,3-sialyltransferase 3

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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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