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Multiple Testing for Gene Sets from Microarray Experiments
News

Multiple Testing for Gene Sets from Microarray Experiments

Multiple Testing for Gene Sets from Microarray Experiments
News

Multiple Testing for Gene Sets from Microarray Experiments

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Background:
A key objective in many microarray association studies is the identification of individual genes associated with clinical outcome. It is often of additional interest to identify sets of genes, known a priori to have similar biologic function, associated with the outcome.

Results:
The application of the proposed method is demonstrated using three public microarray data sets. The performance of our proposed method is contrasted to two other existing Gene Set Enrichment Analysis (GSEA) and Gene Set Analysis (GSA) methods.

Conclusions:
Our simulations show that the proposed method controls the FDR at the desired level. Through simulations and case studies, we observe that our method performs better than GSEA and GSA, especially when the number of prognostic gene sets is large.

The article is published online in BMC Bioinformatics and is free to access.

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