Incorporating prior biological knowledge for network-based differential gene expression analysis using differentially weighted graphical LASSO

Abstract excerpt

BACKGROUND: Conventional differential gene expression analysis by methods such as student's t-test, SAM, and Empirical Bayes often searches for statistically significant genes without considering the interactions among them. Network-based approaches provide a natural way to study these interactions and to investigate the rewiring interactions in disease versus control groups. In this paper, we apply weighted...

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