Heatmap of 837 differentially expressed transcripts. Transcript expression fold change is represented by the color scale increasing from blue to white to red; the color key is shown in the top left corner. The 36 subjects are shown horizontally and represented by the color bar on the top of the heatmap. The color that corresponds to each disease type is displayed in the upper right corner. At the first bifurcation of the horizontal dendrogram, the subjects are classified into 2 groups from left to right: group 1 and group 2.