Figure 5From: cDNA targets improve whole blood gene expression profiling and enhance detection of pharmocodynamic biomarkers: a quantitative platform analysisPrincipal Component Analysis of tissue-specific and globin-related gene expression. PCA was performed on the expression values of Jurkat samples supplemented with 1% brain or liver RNA. The circles indicate the amount of globin while the color indicates whether the sample was spiked with brain or liver.Back to article page