FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term X-linked deafness 2 ID (Ontology) DOID:0111737 (Human Disease)
Definition An X-linked nonsyndromic deafness characterized by progressive conductive and sensorineural hearing loss and pathognomonic inner ear anomalies that has_material_basis_in hemizygous or homozygous mutation in POU3F4 or upstream regulatory elements of this gene on chromosome Xq21.1.
Also Known As "conductive deafness 3 with stapes fixation" ; "conductive deafness with stapes fixation" ; "DFN3" (for all, see Synonyms field below)
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 Genes
 X-linked deafness 2       1
 for disease ribbon | X-linked deafness 2       1
 model of | X-linked deafness 2       1
Spanning Tree (Parents/Children)
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nonsyndromic deafness_______
X-linked monogenic disease__|
                            X-linked nonsyndromic deafness
                             |__X-linked deafness 2  1 rec.
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Is a X-linked nonsyndromic deafness
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Synonyms
  • "conductive deafness 3 with stapes fixation" EXACT
    "conductive deafness with stapes fixation" EXACT
    "DFN3" EXACT OMO:0003012
    "DFNX2" EXACT OMO:0003012
    "mixed deafness with perilymphatic gusher" EXACT
    "Nance deafness" EXACT
    "X-linked deafness type 2" EXACT
    "X-linked mixed conductive and neurosensory deafness" EXACT
    "X-linked mixed conductive and neurosensory hearing loss" EXACT
    "X-linked mixed conductive and sensorineural deafness" EXACT
    "X-linked mixed conductive and sensorineural hearing loss" EXACT
    "X-linked sensorineural deafness" EXACT
    "X-linked stapes gusher syndrome" EXACT
Secondary IDs
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MIM:304400
ORDO:383