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Elsevier, Gene, 1(523), p. 103-105, 2013

DOI: 10.1016/j.gene.2013.03.123

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Analysis of CLDN14 gene in deaf Moroccan patients with non-syndromic hearing loss

This paper is available in a repository.
This paper is available in a repository.

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Abstract

Mutations in the CLDN14 gene, encoding the tight junction claudin 14 protein has been reported to date in an autosomal recessive form of isolated hearing loss DFNB29. In order to identify the contribution of CLDN14 to inherited deafness in Moroccan population, we performed a genetic analysis of this gene in 80 Moroccan familial cases. Our results show the presence of 7 mutations: 6 being conservative and one leading to a missense mutation (C11T) which was found at heterozygous and homozygous state, with a general frequency of 6.87%. The pathogenicity of the resulting T4M substitution is under discussion. Finally, our study suggests that CLDN14 gene can be implicated in the development of hearing loss in the Moroccan population.