Multiple Testing for Gene Sets from Microarray Experiments
News Jun 27, 2011
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.
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.
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.
Researchers have developed a new method of analysis that maps the location of proteins in the cell. The information has been compiled in a database that is accessible to researchers around the world. The method of analysis, which has been published in the journal Molecular Cell, can also provide in-depth knowledge of disrupted cell function in cancer and other diseases.READ MORE
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