نتایج جستجو برای: genome wide association studies

تعداد نتایج: 2252675  

2017
Chunze Zhang Xichuan Li Weihua Zhang Yijia Wang Guanwei Fan Wenhong Wang Shuo Chen Hai Qin Xipeng Zhang

A genome-wide association study identified a common genetic variant rs3802842 at 11q23 to be associated with CRC risk with OR=1.1 and P = 5.80E-10 in European population. In Chinese population, several genetic association studies have investigated the association between rs3802842 variant and CRC risk. However these studies reported both positive and negative association results. It is still ne...

2010
Gary K. Chen Robert C. Millikan Esther M. John Christine B. Ambrosone Leslie Bernstein Wei Zheng Jennifer J. Hu Stephen J. Chanock Regina G. Ziegler Elisa V. Bandera Brian E. Henderson Christopher A. Haiman Daniel O. Stram

We consider the feasibility of reusing existing control data obtained in genetic association studies in order to reduce costs for new studies. We discuss controlling for the population differences between cases and controls that are implicit in studies utilizing external control data. We give theoretical calculations of the statistical power of a test due to Bourgain et al (Am J Human Genet 200...

Journal: :Clinical chemistry 2009
Daniel I Chasman Guillaume Paré Paul M Ridker

BACKGROUND Recent technologies enable genetic association studies of common clinical analytes on a genomewide basis in populations numbering thousands of individuals. The first publications using these technologies are already revealing novel biological functions for both genic and nongenic loci, and are promising to transform knowledge about the biological networks underlying disease pathophys...

Journal: :Circulation: Cardiovascular Genetics 2010

2016
Matthew T. Oetjens Kristin Brown-Gentry Robert Goodloe Holli H. Dilks Dana C. Crawford

Population stratification or confounding by genetic ancestry is a potential cause of false associations in genetic association studies. Estimation of and adjustment for genetic ancestry has become common practice thanks in part to the availability of ancestry informative markers on genome-wide association study (GWAS) arrays. While array data is now widespread, these data are not ubiquitous as ...

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