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A genome-wide assoc...
A genome-wide association study on copy-number variation identifies a 11q11 loss as a candidate susceptibility variant for colorectal cancer
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Fernandez-Rozadilla, C. (author)
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Cazier, J. B. (author)
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Tomlinson, I. (author)
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Brea-Fernandez, A. (author)
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Lamas, M. J. (author)
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Baiget, M. (author)
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Lopez-Fernandez, L. A. (author)
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Clofent, J. (author)
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Bujanda, L. (author)
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Gonzalez, D. (author)
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de Castro, L. (author)
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- Hemminki, Kari (author)
- Lund University,Lunds universitet,Allmänmedicin och klinisk epidemiologi,Forskargrupper vid Lunds universitet,Family Medicine and Clinical Epidemiology,Lund University Research Groups
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Bessa, X. (author)
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Andreu, M. (author)
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Jover, R. (author)
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Xicola, R. (author)
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Llor, X. (author)
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Moreno, V. (author)
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Castells, A. (author)
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Castellvi-Bel, S. (author)
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Carracedo, A. (author)
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Ruiz-Ponte, C. (author)
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(creator_code:org_t)
- 2013-11-12
- 2014
- English.
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In: Human Genetics. - : Springer Science and Business Media LLC. - 1432-1203 .- 0340-6717. ; 133:5, s. 525-534
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
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- Colorectal cancer (CRC) is a complex disease, and therefore its development is determined by the combination of both environmental factors and genetic variants. Although genome-wide association studies (GWAS) of SNP variation have conveniently identified 20 genetic variants so far, a significant proportion of the observed heritability is yet to be explained. Common copy-number variants (CNVs) are one of the most important genomic sources of variability, and hence a potential source to explain part of this missing genetic fraction. Therefore, we have performed a GWAS on CNVs to explore the relationship between common structural variation and CRC development. Phase 1 of the GWAS consisted of 881 cases and 667 controls from a Spanish cohort. Copy-number status was validated by quantitative PCR for each of those common CNVs potentially associated with CRC in phase I. Subsequently, SNPs were chosen as proxies for the validated CNVs for phase II replication (1,342 Spanish cases and 1,874 Spanish controls). Four common CNVs were found to be associated with CRC and were further replicated in Phase II. Finally, we found that SNP rs1944682, tagging a 11q11 CNV, was nominally associated with CRC susceptibility (p value = 0.039; OR = 1.122). This locus has been previously related to extreme obesity phenotypes, which could suggest a relationship between body weight and CRC susceptibility.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Medicinsk genetik (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Medical Genetics (hsv//eng)
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- art (subject category)
- ref (subject category)
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- By the author/editor
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Fernandez-Rozadi ...
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Cazier, J. B.
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Tomlinson, I.
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Brea-Fernandez, ...
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Lamas, M. J.
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Baiget, M.
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show more...
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Lopez-Fernandez, ...
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Clofent, J.
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Bujanda, L.
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Gonzalez, D.
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de Castro, L.
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Hemminki, Kari
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Bessa, X.
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Andreu, M.
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Jover, R.
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Xicola, R.
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Llor, X.
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Moreno, V.
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Castells, A.
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Castellvi-Bel, S ...
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Carracedo, A.
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Ruiz-Ponte, C.
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show less...
- About the subject
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Basic Medicine
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and Medical Genetics
- Articles in the publication
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Human Genetics
- By the university
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Lund University