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dc.contributor.authorAlonso, Maria Jesús-
dc.contributor.authorTellería, Juan José-
dc.contributor.authorEstivill, Xavier-
dc.identifierdoi: 10.1111/j.1469-1809.2006.00310.x-
dc.identifierissn: 0003-4800-
dc.identifiere-issn: 1469-1809-
dc.identifier.citationAnnals of Human Genetics 71(2): 194-201 (2007)-
dc.description.abstractWe analyzed 1,954 Spanish cystic fibrosis (CF) alleles in order to define the molecular spectrum of mutations in the CFTR gene in Spanish CF patients. Commercial panels showed a limited detection power, leading to the identification of only 76% of alleles. Two scanning techniques, denaturing gradient gel electrophoresis (DGGE) and single strand conformation polymorphism/hetroduplex (SSCP/HD), were carried out to detect CFTR sequence changes. In addition, intragenic markers IVS8CA, IVS8-6(T)n and IVS17bTA were also analyzed. Twelve mutations showed frequencies above 1%, p.F508del being the most frequent mutation (51%). We found that eighteen mutations need to be studied to achieve a detection level of 80%. Fifty-one mutations (42%) were observed once. In total, 121 disease-causing mutations were identified, accounting for 96% (1,877 out of 1,954) of CF alleles. Specific geographic distributions for the most common mutations, p.F508del, p.G542X, c.1811 + 1.6kbA > G and c.1609delCA, were confirmed. Furthermore, two other relatively common mutations (p.V232D and c.2789 + 5G > A) showed uneven geographic distributions. This updated information on the spectrum of CF mutations in Spain will be useful for improving genetic testing, as well as to facilitate counselling in people of Spanish ancestry. In addition, this study contributes to defining the molecular spectrum of CF in Europe, and corroborates the high molecular mutation heterogeneity of Mediterranean populations. © 2006 The Authors Journal compilation © 2006 University College London.-
dc.description.sponsorshipWe are grateful to the Genetics and CF Centres of Spain for referring samples of patients and families. This work was supported by grants from FIS/FEDER PI050804, ISCIII C03/07, SGR 2005-00018 and Institut Català de la Salut. -
dc.titleSpectrum of mutations in the CFTR gene in cystic fibrosis patients of Spanish ancestry-
dc.description.versionPeer Reviewed-
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