Copyright: ©Author(s) 2026.
World J Gastroenterol. Sep 28, 2026; 32(36): 119520
Published online Sep 28, 2026. doi: 10.3748/wjg.119520
Published online Sep 28, 2026. doi: 10.3748/wjg.119520
Table 2 Major microbial metabolites and their organ-level effects
| Metabolite | Source | Target organ | Biological effect |
| SCFAs | Gut microbiota fermentation | Brain | Anti-inflammatory, BBB protection |
| TMAO | Choline metabolism | Cardiovascular | Pro-inflammatory, atherogenic |
| Bile acids | Liver-microbiota interaction | Liver/metabolism | Signaling regulation |
| LPS | Gram-negative bacteria | Systemic | Inflammation activation |
| Tryptophan metabolites | Microbial metabolism | Brain | Neurotransmitter modulation |
- Citation: Hou ZW, Zhang P, Chen C. Gut microbiota-multi-organ axis and neuroinflammatory network: A potential integrative hub in aging and age-related diseases. World J Gastroenterol 2026; 32(36): 119520
- URL: https://www.wjgnet.com/1007-9327/full/v32/i36/119520.htm
- DOI: https://dx.doi.org/10.3748/wjg.119520