Fluctuating sensorineural hearing loss associated with enlarged vestibular aqueduct maps to 7q31, the region containing the Pendred gene

Satoko Abe, Shin Ichi Usami, Denise M. Hoover, Edward Cohn, Hideichi Shinkawa, William J. Kimberling

Research output: Contribution to journalArticle

65 Citations (Scopus)

Abstract

The most common form of inner ear abnormality, enlarged vestibular aqueduct (EVA), is of particular interest because it is associated with characteristic clinical findings, including fluctuating and sometimes progressive sensorineural hearing loss and disequilibrium symptoms. Although EVA has been reported to be inherited in a recessive manner, nothing else is known about the genetic basis of this hearing loss. Here we report on the localization of the gene responsible for sensorineural hearing loss associated with EVA to chromosomal region 7q31, with maximum multipoint LOD score of 3.647. The EVA candidate gene region lies in a 1.7-cM interval between the flanking markers D7S501 and D7S2425. Interestingly, this region overlaps the region containing the gene responsible for Pendred syndrome, called PDS, which was identified recently. However, the present subjects did not fulfill the criteria for Pendred syndrome. It is hypothesized that different mutations within the PDS gene may cause different phenotypes ranging from EVA to the Mondini deformity seen in Pendred syndrome.

Original languageEnglish (US)
Pages (from-to)322-328
Number of pages7
JournalAmerican journal of medical genetics
Volume82
Issue number4
DOIs
StatePublished - Feb 21 1999

Fingerprint

Sensorineural Hearing Loss
Genes
Inner Ear
Hearing Loss
Enlarged Vestibular Aqueduct
Phenotype
Mutation
Pendred syndrome

Keywords

  • Autosomal recessive
  • Chromosome 7
  • Enlarged vestibular aqueduct (EVA)
  • Linkage
  • Pendred syndrome
  • Sensorineural hearing loss

ASJC Scopus subject areas

  • Genetics
  • Genetics(clinical)

Cite this

Fluctuating sensorineural hearing loss associated with enlarged vestibular aqueduct maps to 7q31, the region containing the Pendred gene. / Abe, Satoko; Usami, Shin Ichi; Hoover, Denise M.; Cohn, Edward; Shinkawa, Hideichi; Kimberling, William J.

In: American journal of medical genetics, Vol. 82, No. 4, 21.02.1999, p. 322-328.

Research output: Contribution to journalArticle

Abe, Satoko ; Usami, Shin Ichi ; Hoover, Denise M. ; Cohn, Edward ; Shinkawa, Hideichi ; Kimberling, William J. / Fluctuating sensorineural hearing loss associated with enlarged vestibular aqueduct maps to 7q31, the region containing the Pendred gene. In: American journal of medical genetics. 1999 ; Vol. 82, No. 4. pp. 322-328.
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