As well, decreased levels of IL-1β, IL-6, IL-8, and TNF-α in the plasma (Fig. 8h-k), and decreased levels of IL-6 and TNF-α, and increased level of MPO (Fig. 8l-n) in the colon were shown in mice with colitis treated by EGCG-FMT compared with other three groups. The gene discussed is IL1B; the disease is colitis.