developmental and epileptic encephalopathy 6B

Summary
Synonym
  • DEE6B
Definition
A developmental and epileptic encephalopathy characterized by early-infantile seizure onset, profoundly impaired intellectual development, and a hyperkinetic movement disorder that has_material_basis_in heterozygous mutation in the SCN1A gene on chromosome 2q24. This disease has the same genetic basis as Dravet syndrome (DOID:0080422) but is more severe.
Super Class
autosomal dominant disease developmental and epileptic encephalopathy
Disease Ontology
DOID:0070379
Mondo Disease Ontology
OMIM
Related Genes
Displaying 1 entry
Gene ID Gene Symbol Description Source
6323 SCN1A sodium voltage-gated channel alpha subunit 1
Displaying 1 entry
Gene ID Gene Symbol Description Source
20265 Scn1a sodium channel, voltage-gated, type I, alpha
Displaying 1 entry
Gene ID Gene Symbol Description Source
81574 Scn1a sodium voltage-gated channel alpha subunit 1
Displaying 1 entry
Gene ID Gene Symbol Description Source
32619 para paralytic
The Human Phenotype Ontology
Displaying entries 41 - 48 of 48 in total
HPO ID HPO Term
HP:0007018 Attention deficit hyperactivity disorder
HP:0002421 Poor head control
HP:0010844 EEG with multifocal slow activity
HP:0012447 Abnormal myelination
HP:0002521 Hypsarrhythmia
HP:0100660 Dyskinesia
HP:0004322 Short stature
HP:0011968 Feeding difficulties
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