The genetic bases for syndromic and nonsyndromic deafness among Jews |
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Authors: | Ben-Yosef Tamar Friedman Thomas B |
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Institution: | Section on Human Genetics, Laboratory of Molecular Genetics, National Institute on Deafness and Other Communication Disorders, National Institutes of Health, 5 Research Court, Rockville, MD 20850, USA. |
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Abstract: | There are hundreds of different mutated genes associated with hearing loss. However, recent findings indicate that a large proportion of both syndromic and nonsyndromic forms of deafness in some Jewish populations is caused by a small number of founder mutations. This review is focused on genetic disorders such as nonsyndromic deafness, Usher syndrome and Alport syndrome, in which hearing loss is a major part of the phenotype and in which the underlying prevalent founder mutations have been recently identified in different Jewish populations. These and other examples of common mutations within a distinct population allow for sensitive and specific use of genetic testing for carrier screening and diagnosis, and are an impetus for development of therapeutic strategies. |
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