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. 2022 Jan 17;8:790783. doi: 10.3389/fmed.2021.790783

Figure 2.

Figure 2

The bidirectional role of gut-derived metabolites in the pathophysiology of CKD; (A) Beneficial bacteria produce renoprotective metabolites that inhibit kidney damage, (B) Unfavorable bacteria produce harmful metabolites which promote kidney damage and CKD progression. Trimethylamine N-oxide (TMAO), indoxyl sulfate (IS), p-cresyl sulfate (PSC), short-chain fatty acids (SCFAs), bile acids (Bas), and Indole derivatives (IDs).