Cross-Study Homogeneity of Psoriasis Gene Expression in Skin across a Large Expression Range

Abstract excerpt

BACKGROUND: In psoriasis, only limited overlap between sets of genes identified as differentially expressed (psoriatic lesional vs. psoriatic non-lesional) was found using statistical and fold-change cut-offs. To provide a framework for utilizing prior psoriasis data sets we sought to understand the consistency of those sets. METHODOLOGY/PRINCIPAL FINDINGS: Microarray expression profiling and qRT-PCR were used to...

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