developmental and epileptic encephalopathy 18

Summary
Synonym
  • DEE18
  • early infantile epileptic encephalopathy 18
Definition
A developmental and epileptic encephalopathy characterized by absence of developmental milestones, dysmorphic facial features, refractory seizures, and thick corpus callosum and persistent cavum septum pellucidum on brain imaging and that has_material_basis_in homozygous or compound heterozygous mutation in the SZT2 gene on chromosome 1p34.
Super Class
autosomal recessive disease developmental and epileptic encephalopathy
Disease Ontology
DOID:0080413
Mondo Disease Ontology
OMIM
GARD
Related Genes
Displaying 1 entry
Gene ID Gene Symbol Description Source
23334 SZT2 SZT2 subunit of KICSTOR complex
The Human Phenotype Ontology
Displaying entries 1 - 10 of 48 in total
HPO ID HPO Term
HP:0000648 Optic atrophy
HP:0000504 Abnormality of vision
HP:0000750 Delayed speech and language development
HP:0000348 High forehead
HP:0000708 Atypical behavior
HP:0001250 Seizure
HP:0000546 Retinal degeneration
HP:0000252 Microcephaly
HP:0000668 Hypodontia
HP:0001249 Intellectual disability
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