Fig. 3

A principal component analysis scatter plot of differential gene expression patterns in ginsenoside-treated cells and control cells. Genes with equal expression values line up on the diagonal identity line and higher expression values are further away from the origin. Points below the diagonal represent genes with higher expression in ginsenoside-treated cells plotted on the x-axis. Points above the diagonal represent genes with higher expression values in control cells plotted on the y-axis. The further away a point-of-interest is from the diagonal line the larger is the difference in expression in ginsenoside-treated cells compared with the control cells