FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term developmental and epileptic encephalopathy 9 ID (Ontology) DOID:0060848 (Human Disease)
Definition A developmental and epileptic encephalopathy characterized by seizure onset in infancy and mild to severe intellectual impairment in females that has_material_basis_in heterozygous mutation in the gene encoding protocadherin-19 (PCDH19) on chromosome Xq22.
Also Known As "DEE9" ; "early infantile epileptic encephalopathy 9" ; "early infantile female-limited epilecptic encephalopathy" (for all, see Synonyms field below)
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electroclinical syndrome
 |__developmental and epileptic encephalopathy__
X-linked monogenic disease                      |
 |__X-linked dominant disease___________________|
                                                developmental and epileptic encephalopathy 9
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Is a X-linked dominant disease
developmental and epileptic encephalopathy
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Synonyms
  • "DEE9" EXACT OMO:0003012
    "early infantile epileptic encephalopathy 9" EXACT
    "early infantile female-limited epilecptic encephalopathy" EXACT
    "EFMR" EXACT OMO:0003012
    "EIEE9" EXACT OMO:0003012
    "female restricted epilepsy with mental retardation" EXACT
    "Juberg Hellman syndrome" EXACT
Secondary IDs
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GARD:10806
MIM:300088
ORDO:101039