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 31 - 40 of 48 in total
HPO ID HPO Term
HP:0001298 Encephalopathy
HP:0002063 Rigidity
HP:0001265 Hyporeflexia
HP:0001508 Failure to thrive
HP:0011443 Abnormality of coordination
HP:0004305 Involuntary movements
HP:0012547 Abnormal involuntary eye movements
HP:0002509 Limb hypertonia
HP:0012444 Brain atrophy
HP:0100710 Impulsivity
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