Hearing loss is the most common sensory defect in humans, affectingnormal communication in 10 percent of people aged 65 years orolder. In most cases, hearing loss is a multifactorial disordercaused by both genetic and environmental factors. However, single-genemutations can lead to hearing loss. In these cases, hearingloss is a monogenic disorder with an autosomal dominant, autosomalrecessive, X-linked, or mitochondrial mode of inheritance. Thesemonogenic forms of hearing loss can be syndromic (characterizedby hearing loss in combination with other abnormalities) ornonsyndromic (with only hearing loss). This review focuses onnonsyndromic hearing loss, since . . . [Full Text of this Article]
Mechanisms of Normal Hearing
Classification of Hearing Loss
Gene-Localization Studies
Genes Implicated in Hearing Loss
POU Transcription-Factor Genes
Myosin Genes
Connexin Genes
KCNQ4 Gene
Diaphanous Gene
Pendrin Gene
-Tectorin Gene
ICERE-1 Gene
COCH Gene
Otoferlin Gene
Mitochondrial Genes
Conclusions
Source Information
From the Department of Clinical Genetics, Erasmus University, Rotterdam, the Netherlands, and the Department of Biochemistry, Physiology, and Genetics, University of Antwerp, Antwerp, Belgium.
Address reprint requests to Dr. Willems at the Department of Clinical Genetics, Erasmus University, Dr. Molewaterplein 50, 3015 GE Rotterdam, the Netherlands.
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