Expanding the Clinical and Genetic Spectrum of KRT1, KRT2 and KRT10 Mutations in Keratinopathic Ichthyosis - Université Toulouse III - Paul Sabatier - Toulouse INP Accéder directement au contenu
Article Dans Une Revue Acta Dermato-Venereologica Année : 2016

Expanding the Clinical and Genetic Spectrum of KRT1, KRT2 and KRT10 Mutations in Keratinopathic Ichthyosis

Résumé

Twenty-six families with keratinopathic ichthyoses (epidermolytic ichthyosis, superficial epidermolytic ichthyosis or congenital reticular ichthyosiform erythroderma) were studied. Epidermolytic ichthyosis is caused by mutations in the genes KRT1 or KRT10, mutations in the gene KRT2 lead to superficial epidermolytic ichthyosis, and congenital reticular ichthyosiform erythroderma is caused by frameshift mutations in the genes KRT10 or KRT1, which lead to the phenomenon of revertant mosaicism. In this study mutations were found in KRT1, KRT2 and KRT10, including 8 mutations that are novel pathogenic variants. We report here the first case of a patient with congenital reticular ichthyosiform erythroderma carrying a mutation in KRT10 that does not lead to an arginine-rich reading frame. Novel clinical features found in patients with congenital reticular ichthyosiform erythroderma are described, such as mental retardation, spasticity, facial dysmorphisms, symblepharon and malposition of the 4th toe.
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Dates et versions

hal-03484870 , version 1 (17-12-2021)

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Alrun Hotz, Vinzenz Oji, Emmanuelle Bourrat, Nathalie Jonca, Juliette Mazereeuw-Hautier, et al.. Expanding the Clinical and Genetic Spectrum of KRT1, KRT2 and KRT10 Mutations in Keratinopathic Ichthyosis. Acta Dermato-Venereologica, 2016, 96 (4), pp.473-478. ⟨10.2340/00015555-2299⟩. ⟨hal-03484870⟩
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