Application of a Novel Score Test for Genetic Association Incorporating Gene-Gene Interaction Suggests Functionality for Prostate Cancer Susceptibility Regions
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Ciampa, Julia
Yeager, Meredith
Jacobs, Kevin
Thun, Michael J.
Gapstur, Susan
Albanes, Demetrius
Virtamo, Jarmo
Weinstein, Stephanie J.
Giovannucci, Edward
Willett, Walter C.::94559ea206eef8a8844fc5b80654fa5b::600
Cancel-Tassin, Geraldine
Cussenot, Olivier
Valeri, Antoine
Hunter, David
Hoover, Robert
Thomas, Gilles
Chanock, Stephen
Holmes, Chris
Chatterjee, Nilanjan
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https://doi.org/10.1159/000331222Metadata
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Ciampa, Julia, Meredith Yeager, Kevin Jacobs, Michael J. Thun, Susan Gapstur, Demetrius Albanes, Jarmo Virtamo, et al. 2011. “Application of a Novel Score Test for Genetic Association Incorporating Gene-Gene Interaction Suggests Functionality for Prostate Cancer Susceptibility Regions.” Human Heredity 72 (3): 182–93. https://doi.org/10.1159/000331222.Abstract
Aims: We introduce an innovative multilocus test for disease association. It is an extension of an existing score test that gains power over alternative methods by incorporating a parsimonious one-degree-of-freedom model for interaction. We use our method in applications designed to detect interactions that generate hypotheses about the functionality of prostate cancer (PRCA) susceptibility regions. Methods: Our proposed score test is designed to gain additional power through the use of a retrospective likelihood that exploits an assumption of independence between unlinked loci in the underlying population. Its performance is validated through simulation. The method is used in conditional scans with data from stage II of the Cancer Genetic Markers of Susceptibility PRCA genome-wide association study. Results: Our proposed method increases power to detect susceptibility loci in diverse settings. It identified two high-ranking, biologically interesting interactions: (1) rs748120 of NR2C2 and subregions of 8q24 that contain independent susceptibility loci specific to PRCA and (2) rs4810671 of SULF2 and both JAZF1 and HNF1B that are associated with PRCA and type 2 diabetes. Conclusions: Our score test is a promising multilocus tool for genetic epidemiology. The results of our applications suggest functionality for poorly understood PRCA susceptibility regions. They motivate replication study.Citable link to this page
http://nrs.harvard.edu/urn-3:HUL.InstRepos:41392189
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