We confirmed that the frequency of NKG2A+ T cells in CD3+ PBMCs was decreased on day 7 and increased on day 21 in DSS-induced colitis mice (3.64±1.20%, 2.39±0.60%, and 7.17±3.57% on days 0, 7, and 21, respectively; Figure 2A). This evidence concerns the gene KLRC1 and colitis.