FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term diphthamide deficiency syndrome ID (Ontology) DOID:0070476 (Human Disease)
Definition An inherited metabolic disorder characterized by global developmental delay, short stature, dysmorphic craniofacial features, and sparse hair that has_material_basis_in deficient diphthamidylation of the eukaryotic translation Elongation Factor 2 protein (gene: EEF2).
Also Known As "craniofacial dysplasia-short stature-ectodermal anomalies-intellectual disability syndrome" ; "DEDSSH" ; "developmental delay with short stature, dysmorphic facial features, and sparse hair"
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autosomal genetic disease
 |__autosomal recessive disease____
inherited metabolic disorder       |
 |__amino acid metabolic disorder__|
                                   diphthamide deficiency syndrome  3 rec.
                                    |__diphthamide deficiency syndrome 1 1 rec.
                                    |__diphthamide deficiency syndrome 2 1 rec.
                                    |__neurodevelopmental disorder with short stature, prominent forehead, and feeding difficulties 1 rec.
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Is a autosomal recessive disease
amino acid metabolic disorder
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Synonyms
  • "craniofacial dysplasia-short stature-ectodermal anomalies-intellectual disability syndrome" EXACT
    "DEDSSH" EXACT OMO:0003012
    "developmental delay with short stature, dysmorphic facial features, and sparse hair" EXACT
Secondary IDs
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MIM:PS616901
ORDO:459061