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1. Screening of SLC26A4 (PDS) gene in Pendred's syndrome: a large spectrum of mutations in France and phenotypic heterogeneity

Author

H, Blons, D, Feldmann, V, Duval, O, Messaz, F, Denoyelle, N, Loundon, A, Sergout-Allaoui, M, Houang, F, Duriez, D, Lacombe, B, Delobel, J, Leman, H, Catros, H, Journel, V, Drouin-Garraud, M-F, Obstoy, A, Toutain, S, Oden, J E, Toublanc, R, Couderc, C, Petit, E-N, Garabédian, and S, Marlin

Subjects
Adult, Male, Adolescent, Goiter, Membrane Transport Proteins, Biological Transport, Syndrome, Middle Aged, Vestibular Aqueduct, Genetic Heterogeneity, Phenotype, Sulfate Transporters, Child, Preschool, Mutation, Humans, Mass Screening, Female, France, Child, Hearing Loss
Abstract

Sensorineural hearing defect and goiter are common features of Pendred's syndrome. The clinical diagnosis of Pendred's syndrome remains difficult because of the lack of sensitivity and specificity of the thyroid signs. The identification of PDS as the causative gene allowed molecular screening and enabled a re-evaluation of the syndrome to identify potential diagnostic characteristics. This report presents the clinical and genotypic findings of 30 French families, for whom a diagnosis of Pendred's syndrome had been made. Twenty-seven families had at least one mutated allele. Twenty-eight different mutations were identified, 11 of which had never been previously reported. The main clinical characteristics were: early hearing loss, fluctuation in terms of during deafness evolution, and the presence of an enlarged vestibular aqueduct.

Published
2004

2. Screening of SLC26A4 (PDS) gene in Pendred's syndrome: a large spectrum of mutations in France and phenotypic heterogeneity.

Author

Blons H, Feldmann D, Duval V, Messaz O, Denoyelle F, Loundon N, Sergout-Allaoui A, Houang M, Duriez F, Lacombe D, Delobel B, Leman J, Catros H, Journel H, Drouin-Garraud V, Obstoy MF, Toutain A, Oden S, Toublanc JE, Couderc R, Petit C, Garabédian EN, and Marlin S

Subjects
Adolescent, Adult, Biological Transport, Child, Child, Preschool, Female, France epidemiology, Goiter diagnosis, Goiter epidemiology, Hearing Loss diagnosis, Hearing Loss epidemiology, Humans, Male, Mass Screening, Middle Aged, Phenotype, Sulfate Transporters, Syndrome, Vestibular Aqueduct pathology, Genetic Heterogeneity, Goiter genetics, Hearing Loss genetics, Membrane Transport Proteins genetics, Mutation genetics
Abstract

Sensorineural hearing defect and goiter are common features of Pendred's syndrome. The clinical diagnosis of Pendred's syndrome remains difficult because of the lack of sensitivity and specificity of the thyroid signs. The identification of PDS as the causative gene allowed molecular screening and enabled a re-evaluation of the syndrome to identify potential diagnostic characteristics. This report presents the clinical and genotypic findings of 30 French families, for whom a diagnosis of Pendred's syndrome had been made. Twenty-seven families had at least one mutated allele. Twenty-eight different mutations were identified, 11 of which had never been previously reported. The main clinical characteristics were: early hearing loss, fluctuation in terms of during deafness evolution, and the presence of an enlarged vestibular aqueduct.

Published
2004
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