As the two subsets of Tcm cells, CD4+CD45RA−CD62L+CCR7+ (Figures 2D1–5) and CD8+CD45RA−CD62L+CCR7+ (Figures 2E1–5) cells were downregulated after colitis mice were treated by SSP and 5-ASA for 7 days. This evidence concerns the gene CCR7 and colitis.