Ozone controls the metabolism of tryptophan protecting against sepsis-induced intestinal damage by activating aryl hydrocarbon receptor

Figure 4 Ozone-rich water regulates tryptophan metabolism in the intestinal flora. A: Principal component analysis scatter plots; B: Kyoto Encyclopedia of Genes and Genomes pathway enrichment analysis; C-H: Relative expression of DL-tryptophan (C); 3-Iodo-L-tyrosine (D); Indol (E); Indole-3-propionic acid (F); 5-hydroxytryptamine (G); Kynurenine (H). ^aP < 0.05. ^bP < 0.01. CLP: Cecal ligation and puncture; PC: Principal component; 5-HT: 5-hydroxytryptamine.