developmental and epileptic encephalopathy 46

Summary
Synonym
  • DEE46
  • early infantile epileptic encephalopathy 46
Definition
A developmental and epileptic encephalopathy characterized by onset in the first months or years of life of intractable seizures, global developmental delay, failure to thrive, hypotonia, hyperreflexia, and variably impaired intellectual development that has_material_basis_in heterozygous mutation in the GRIN2D gene on chromosome 19q13.
Super Class
autosomal dominant disease developmental and epileptic encephalopathy
Disease Ontology
DOID:0080456
Mondo Disease Ontology
OMIM
Related Genes
Displaying 1 entry
Gene ID Gene Symbol Description Source
2906 GRIN2D glutamate ionotropic receptor NMDA type subunit 2D
Displaying 1 entry
Gene ID Gene Symbol Description Source
14814 Grin2d glutamate receptor, ionotropic, NMDA2D (epsilon 4)
Displaying 1 entry
Gene ID Gene Symbol Description Source
24412 Grin2d glutamate ionotropic receptor NMDA type subunit 2D
The Human Phenotype Ontology
Displaying entries 21 - 30 of 48 in total
HPO ID HPO Term
HP:0002020 Gastroesophageal reflux
HP:0001273 Abnormal corpus callosum morphology
HP:0002317 Unsteady gait
HP:0001336 Myoclonus
HP:0001251 Ataxia
HP:0001558 Decreased fetal movement
HP:0001268 Mental deterioration
HP:0002133 Status epilepticus
HP:0001315 Reduced tendon reflexes
HP:0002355 Difficulty walking
Displaying all 5 entries
Gene ID Gene Symbol Description
1759 DNM1 dynamin 1
523 ATP6V1A ATPase H+ transporting V1 subunit A
781 CACNA2D1 calcium voltage-gated channel auxiliary subunit alpha2delta 1
79947 DHDDS dehydrodolichyl diphosphate synthase subunit
8867 SYNJ1 synaptojanin 1

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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: December 9, 2024