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dc.contributor.authorFernández-Rozadilla, Ceres-
dc.contributor.authorCastro, Luisa de-
dc.contributor.authorClofent, Juan-
dc.contributor.authorBrea-Fernández, Alejandro-
dc.contributor.authorBessa i Caserras, Xavier-
dc.contributor.authorAbulí, Anna-
dc.contributor.authorAndreu, Montserrat-
dc.contributor.authorJover, Rodrigo-
dc.contributor.authorXicola, Rosa-
dc.contributor.authorLlor, Xavier-
dc.contributor.authorCastells Garangou, Antoni-
dc.contributor.authorCastellví-Bel, Sergi-
dc.contributor.authorCarracedo Álvarez, Ángel-
dc.contributor.authorRuiz-Ponte, Clara-
dc.contributor.authorGastrointestinal Oncology Group of the Spanish Gas-
dc.description.abstractBackground Colorectal cancer (CRC) is considered a complex disease, and thus the majority of the genetic susceptibility is thought to lie in the form of low-penetrance variants following a polygenic model of inheritance. Candidate-gene studies have so far been one of the basic approaches taken to identify these susceptibility variants. The consistent involvement of some signaling routes in carcinogenesis provided support for pathway-based studies as a natural strategy to select genes that could potentially harbour new susceptibility loci. Methodology/Principal Findings We selected two main carcinogenesis-related pathways: Wnt and BMP, in order to screen the implicated genes for new risk variants. We then conducted a case-control association study in 933 CRC cases and 969 controls based on coding and regulatory SNPs. We also included rs4444235 and rs9929218, which did not fulfill our selection criteria but belonged to two genes in the BMP pathway and had consistently been linked to CRC in previous studies. Neither allelic, nor genotypic or haplotypic analyses showed any signs of association between the 37 screened variants and CRC risk. Adjustments for sex and age, and stratified analysis between sporadic and control groups did not yield any positive results either. Conclusions/Significance Despite the relevance of both pathways in the pathogenesis of the disease, and the fact that this is indeed the first study that considers these pathways as a candidate-gene selection approach, our study does not present any evidence of the presence of low-penetrance variants for the selected markers in any of the considered genes in our cohort.-
dc.format.extent9 p.-
dc.publisherPublic Library of Science (PLoS)-
dc.relation.isformatofReproducció del document publicat a:
dc.relation.ispartofPLoS One, 2010, vol. 5, num. 9, p. e12673-
dc.rightscc-by (c) Fernández-Rozadilla, Ceres et al., 2010-
dc.subject.classificationCàncer colorectal-
dc.subject.classificationGenètica humana-
dc.subject.classificationEpidemiologia genètica-
dc.subject.otherColorectal cancer-
dc.subject.otherHuman genetics-
dc.subject.otherGenetic epidemiology-
dc.titleSingle nucleotide polymorphisms in the Wnt and BMP pathways and colorectal cancer risk in a Spanish population-
Appears in Collections:Articles publicats en revistes (Medicina)
Articles publicats en revistes (IDIBAPS: Institut d'investigacions Biomèdiques August Pi i Sunyer)

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