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WRN mutations in Werner syndrome patients: genomic rearrangements, unusual intronic mutations and ethnic-specific alterations.

Friedrich, Katrin; Lee, Lin; Leistritz, Dru F; Nürnberg, Gudrun; Saha, Bidisha; Hisama, Fuki M; Eyman, Daniel K; Lessel, Davor; Nürnberg, Peter; Li, Chumei; Garcia-F-Villalta, María J; Kets, Carolien M; Schmidtke, Joerg; Cruz, Vítor Tedim; Van den Akker, Peter C; Boak, Joseph; Peter, Dincy; Compoginis, Goli; Cefle, Kivanc; Ozturk, Sukru; López, Norberto; Wessel, Theda; Poot, Martin; Ippel, P F; Groff-Kellermann, Birgit; Hoehn, Holger; Martin, George M; Kubisch, Christian; Oshima, Junko.
Hum Genet; 128(1): 103-11, 2010 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-20443122
Werner syndrome (WS) is an autosomal recessive segmental progeroid syndrome caused by null mutations at the WRN locus, which codes for a member of the RecQ family of DNA helicases. Since 1988, the International Registry of Werner syndrome had enrolled 130 molecularly confirmed WS cases from among 110 worldwide pedigrees. We now report 18 new mutations, including two genomic rearrangements, a deep intronic mutation resulting in a novel exon, a splice consensus mutation leading to utilization of the nearby splice site, and two rare missense mutations. We also review evidence for founder mutations among various ethnic/geographic groups. Founder WRN mutations had been previously reported in Japan and Northern Sardinia. Our Registry now suggests characteristic mutations originated in Morocco, Turkey, The Netherlands and elsewhere.
Selo DaSilva