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Mutation update for the CSB/ERCC6 and CSA/ERCC8 genes involved in Cockayne syndrome.

Authors: Laugel, V  Dalloz, C  Durand, M  Sauvanaud, F  Kristensen, U  Vincent, MC  Pasquier, L  Odent, S  Cormier-Daire, V  Gener, B  Tobias, ES  Tolmie, JL  Martin-Coignard, D  Drouin-Garraud, V  Heron, D  Journel, H  Raffo, E  Vigneron, J  Lyonnet, S  Murday, V  Gubser-Mercati, D  Funalot, B  Brueton, L  Sanchez del Pozo, J  Munoz, E  Gennery, AR  Salih, M  Noruzinia, M  Prescott, K  Ramos, L  Stark, Z  Fieggen, K  Chabrol, B  Sarda, P  Edery, P  Bloch-Zupan, A  Fawcett, H  Pham, D  Egly, JM  Lehmann, AR  Sarasin, A  Dollfus, H 
Citation: Laugel V, etal., Hum Mutat. 2010 Feb;31(2):113-26. doi: 10.1002/humu.21154.
Pubmed: (View Article at PubMed) PMID:19894250
DOI: Full-text: DOI:10.1002/humu.21154

Cockayne syndrome is an autosomal recessive multisystem disorder characterized principally by neurological and sensory impairment, cachectic dwarfism, and photosensitivity. This rare disease is linked to mutations in the CSB/ERCC6 and CSA/ERCC8 genes encoding proteins involved in the transcription-coupled DNA repair pathway. The clinical spectrum of Cockayne syndrome encompasses a wide range of severity from severe prenatal forms to mild and late-onset presentations. We have reviewed the 45 published mutations in CSA and CSB to date and we report 43 new mutations in these genes together with the corresponding clinical data. Among the 84 reported kindreds, 52 (62%) have mutations in the CSB gene. Many types of mutations are scattered along the whole coding sequence of both genes, but clusters of missense mutations can be recognized and highlight the role of particular motifs in the proteins. Genotype-phenotype correlation hypotheses are considered with regard to these new molecular and clinical data. Additional cases of molecular prenatal diagnosis are reported and the strategy for prenatal testing is discussed. Two web-based locus-specific databases have been created to list all identified variants and to allow the inclusion of future reports (www.umd.be/CSA/ and www.umd.be/CSB/).

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CRRD Object Information
CRRD ID: 11064547
Created: 2016-04-27
Species: All species
Last Modified: 2016-04-27
Status: ACTIVE



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RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.