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Analysis of Genetic Analysis Workshop 18 data with gene-based penalized regression.


ABSTRACT: Under the premise that multiple causal variants exist within a disease gene and that we are underpowered to detect these variants individually, a variety of methods have been developed that attempt to cluster rare variants within a gene so that the variants may gather strength from one another. These methods group variants by gene or proximity, and test one gene or marker window at a time. We propose analyzing all genes simultaneously with a penalized regression method that enables grouping of all (rare and common) variants within a gene while subgrouping rare variants, thus borrowing strength from both rare and common variants within the same gene. We apply this approach using a burden based weighting of the rare variants to the Genetic Analysis Workshop 18 data.

SUBMITTER: Ayers KL 

PROVIDER: S-EPMC4143805 | biostudies-literature | 2014

REPOSITORIES: biostudies-literature

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Analysis of Genetic Analysis Workshop 18 data with gene-based penalized regression.

Ayers Kristin L KL   Cordell Heather J HJ  

BMC proceedings 20140617 Suppl 1


Under the premise that multiple causal variants exist within a disease gene and that we are underpowered to detect these variants individually, a variety of methods have been developed that attempt to cluster rare variants within a gene so that the variants may gather strength from one another. These methods group variants by gene or proximity, and test one gene or marker window at a time. We propose analyzing all genes simultaneously with a penalized regression method that enables grouping of a  ...[more]

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