Research Highlights: Butyrate Produced by Gut Microbiome Can Improve Antitumor Responses of T Cells

Butyrate Produced by Gut Microbiome Can Improve Antitumor Responses of T Cells

  • Studies have shown that gut microbiota can regulate tumor responsiveness to chemotherapy or immunotherapy.
  • However, the mechanism of this regulation is not clear.
  • Researchers found that metabolites from gut microbiota can increase the effectiveness of oxaliplatin by regulating CD8+ T cell function in the tumor microenvironment.
  • Oxaliplatin is a drug used to treat colon and rectal cancer.[1]
  • Butyrate is one of the metabolites produced by the gut microbiota.
  • Butyrate treatment improved the antitumor responses of cytotoxic CD8+ T cell by promoting the IL-12 signaling pathway.
  • IL-12 signaling pathway is associated with the activation of innate and adaptive immune responses.
  • Cancer patients that responded to oxaliplatin showed higher level of serum butyrate.
  • High level of serum butyrate can improve ID2 expression and CD8+ T cell function.
  • The results suggest that butyrate produced by gut microbiota can improve antitumor responses of CD8+ T cells.


He, Y., Fu, L., Li, Y., Wang, W., Gong, M., Zhang, J., Dong, X., Huang, J., Wang, Q., Mackay, C. R., Fu, Y. X., Chen, Y., & Guo, X. (2021). Gut microbial metabolites facilitate anticancer therapy efficacy by modulating cytotoxic CD8+ T cell immunity. Cell metabolism, S1550-4131(21)00109-1. Advance online publication.


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