Anthocyanins increased the expression of peroxisome proliferator-activated receptor γ (PPARγ) and inhibited the activation of the downstream NF-κB/MAPK signaling pathway, thereby alleviating colonic inflammation on dextran sulfate sodium-induced inflammatory bowel disease (IBD) in mice (Gao et al., 2021). This evidence concerns the gene NFKB1 and inflammatory bowel disease.