Figure 8From: Permutation-validated principal components analysis of microarray dataColor-coded expression-profile table of the genes selected from the antidepressant data by permutation test above the 99% percentile. Abscissa, treatment groups; ordinate, genes. The treatment groups and the genes are arranged according to the angular position in the PCA biplot (see Figure 7). Upregulation, red; downregulation, green.Back to article page