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Journal ArticleDOI

Two variants on chromosome 17 confer prostate cancer risk, and the one in TCF2 protects against type 2 diabetes

Julius Gudmundsson, +79 more
- 01 Aug 2007 - 
- Vol. 39, Iss: 8, pp 977-983
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TLDR
Results from eight case-control groups demonstrate that this variant in TCF2 (HNF1β), a gene known to be mutated in individuals with maturity-onset diabetes of the young type 5, confers protection against type 2 diabetes.
Abstract
We performed a genome-wide association scan to search for sequence variants conferring risk of prostate cancer using 1,501 Icelandic men with prostate cancer and 11,290 controls. Follow-up studies involving three additional case-control groups replicated an association of two variants on chromosome 17 with the disease. These two variants, 33 Mb apart, fall within a region previously implicated by family-based linkage studies on prostate cancer. The risks conferred by these variants are moderate individually (allele odds ratio of about 1.20), but because they are common, their joint population attributable risk is substantial. One of the variants is in TCF2 (HNF1beta), a gene known to be mutated in individuals with maturity-onset diabetes of the young type 5. Results from eight case-control groups, including one West African and one Chinese, demonstrate that this variant confers protection against type 2 diabetes.

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Journal ArticleDOI

Genome-wide association studies for complex traits: consensus, uncertainty and challenges

TL;DR: This Review highlights the knowledge gained, defines areas of emerging consensus, and describes the challenges that remain as researchers seek to obtain more complete descriptions of the susceptibility architecture of biomedical traits of interest and to translate the information gathered into improvements in clinical management.
Journal ArticleDOI

Meta-analysis of genome-wide association data and large-scale replication identifies additional susceptibility loci for type 2 diabetes

Eleftheria Zeggini, +110 more
- 30 Mar 2008 - 
TL;DR: The results illustrate the value of large discovery and follow-up samples for gaining further insights into the inherited basis of T2D, and detect at least six previously unknown loci with robust evidence for association.
Journal ArticleDOI

Genetic Mapping in Human Disease

TL;DR: The intellectual foundations of genetic mapping of Mendelian and complex traits in humans are discussed, lessons emerging from linkage analysis of MendELian diseases and genome-wide association studies of common diseases are examined, and questions and challenges that lie ahead are discussed.
Journal ArticleDOI

Association scan of 14,500 nonsynonymous SNPs in four diseases identifies autoimmunity variants

Paul Burton, +224 more
- 01 Nov 2007 - 
TL;DR: In this paper, the authors report initial association and independent replication in a North American sample of two new loci related to ankylosing spondylitis, ARTS1 and IL23R, and confirm the previously reported association of AITD with TSHR and FCRL3.
Journal ArticleDOI

Human genetic variation and its contribution to complex traits.

TL;DR: Most common SNPs have now been assessed in genome-wide studies for statistical associations with many complex traits, including many important common diseases, and only a limited amount of the heritable component of any complex trait has been identified.
References
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Journal ArticleDOI

Statistical Aspects of the Analysis of Data From Retrospective Studies of Disease

TL;DR: In this paper, the role and limitations of retrospective investigations of factors possibly associated with the occurrence of a disease are discussed and their relationship to forward-type studies emphasized, and examples of situations in which misleading associations could arise through the use of inappropriate control groups are presented.
Journal ArticleDOI

Genomic control for association studies.

TL;DR: The performance of the genomic control method is quite good for plausible effects of liability genes, which bodes well for future genetic analyses of complex disorders.
Journal Article

Linkage strategies for genetically complex traits. I. Multilocus models.

TL;DR: It is shown in the second paper of this series that lambda R is the critical parameter in determining power to detect linkage by using affected relative pairs in multilocus models of inheritance.
Journal ArticleDOI

Genome-wide association study identifies a second prostate cancer susceptibility variant at 8q24.

TL;DR: A second genetic variant in the 8q24 region that, in conjunction with another variant recently discovered, accounts for about 11%–13% of prostate cancer cases in individuals of European descent and 31% of cases in African Americans is reported.
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