TGFB1 and colitis: The levels of IL-6 (Figure 2A), IL-17A (Figure 2C), IL-23 (Figure 2D), TNF-α (Figure 2E), and TGF-β1 (Figure 2F) in the colonic mucosa of colitis mice without treatment were higher than in the DSS + SSP and DSS + 5-ASA groups.