DFNA25, a novel locus for dominant nonsyndromic hereditary hearing impairment, maps to 12q21-24.
other · Level V
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- Also identified by PMC identifier 1234922.
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Abstract
Using linkage analysis, we identified a novel dominant locus, DFNA25, for delayed-onset, progressive, high-frequency, nonsyndromic sensorineural hearing loss in a large, multigenerational United States family of Czech descent. On the basis of recombinations in affected individuals, we determined that DFNA25 is located in a 20-cM region of chromosome 12q21-24 between D12S327 (centromeric) and D12S84 (telomeric), with a maximum two-point LOD score of 6.82, at recombination fraction.041, for D12S1030. Candidate genes in this region include ATP2A2, ATP2B1, UBE3B, and VR-OAC. DFNA25 may be the human ortholog of bronx waltzer (bv).
Medical subject headings
- Chromosomes, Human, Pair 12
- Genes, Dominant
- Hearing Loss, Sensorineural