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Autosomal recessive nonsyndromic hearing loss

✍ Scribed by Sundstrom, Rachel A.; van Laer, Lut; Van Camp, Guy; Smith, Richard J.H.

Publisher: John Wiley and Sons
Year: 1999
Tongue: English
Weight: 31 KB
Volume: 89
Category: Article
ISSN: 0148-7299
DOI: 10.1002/(sici)1096-8628(19990924)89:3<123::aid-ajmg2>3.0.co;2-p

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✦ Synopsis

Nearly all genes for autosomal recessive nonsyndromal inherited hearing loss (ARNSHL) localized thus far cause prelingual severe to profound or profound hearing impairment. Of the 25 reported loci, most have been identified using single consanguineous families. Six of these genes have been cloned and encode a variety of proteins, including ion channels, extracellular matrix components, cytoskeletal components, and proteins essential for synaptic vesicular trafficking. One of these genes appears to be responsible for approximately 50% of all congenital severe to profound or profound hearing loss in many world populations, and mutations in two other genes can lead to either syndromic or nonsyndromic forms of deafness. The identification of additional genes that cause ARNSHL and elucidation of their function will refine our understanding of auditory physiology at the molecular level. Am.

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