developmental and epileptic encephalopathy 53

Summary
Synonym
  • DEE53
  • early infantile epileptic encephalopathy 53
Definition
A developmental and epileptic encephalopathy characterized by infantile onset of intractable seizures, hypotonia, poor or absent global development, severe intellectual disability and spastic quadriplegia that has_material_basis_in homozygous or compound heterozygous mutation in the SYNJ1 gene on chromosome 21q22.
Super Class
autosomal recessive disease developmental and epileptic encephalopathy
Disease Ontology
DOID:0080464
Mondo Disease Ontology
OMIM
Related Genes
Displaying 1 entry
Gene ID Gene Symbol Description Source
8867 SYNJ1 synaptojanin 1
Displaying 1 entry
Gene ID Gene Symbol Description Source
85238 Synj1 synaptojanin 1
Displaying 1 entry
Gene ID Gene Symbol Description Source
854276 INP53 phosphatidylinositol-3-/phosphoinositide 5-phosphatase INP53
The Human Phenotype Ontology
Displaying entries 31 - 40 of 66 in total
HPO ID HPO Term
HP:0002360 Sleep abnormality
HP:0002373 Febrile seizure (within the age range of 3 months to 6 years)
HP:0002376 Developmental regression
HP:0002421 Poor head control
HP:0002506 Diffuse cerebral atrophy
HP:0002521 Hypsarrhythmia
HP:0005280 Depressed nasal bridge
HP:0007204 Diffuse white matter abnormalities
HP:0007359 Focal-onset seizure
HP:0008947 Infantile muscular hypotonia
Displaying all 3 entries
Gene ID Gene Symbol Description
51227 PIGP phosphatidylinositol glycan anchor biosynthesis class P
9091 PIGQ phosphatidylinositol glycan anchor biosynthesis class Q
8867 SYNJ1 synaptojanin 1

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Acknowledgements

Supported by JST NBDC Grant Number JPMJND2204

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Last updated: December 9, 2024