Cellular and molecular neurobiology

How the Gut, Brain, and Immune System Interact in Brain Tumors: New Understanding and Treatment Possibilities

Updated

Abstract

Gut microbiota may influence immune responses in gliomas, particularly glioblastomas.

  • The tumor microenvironment in gliomas is highly immunosuppressive, complicating treatment efforts.
  • Emerging evidence indicates that gut microbiota could shape both systemic and central immune responses.
  • Microbial metabolites and immune cell modulation are associated with changes in microglial activation and T cell infiltration.
  • Responses to immune checkpoint inhibitors, including PD-1 and other emerging targets, may be influenced by gut-derived factors.
  • The effectiveness of CAR-T and CAR-NK therapies could be affected by the composition of gut microbiota.
  • Strategies like probiotics, engineered microbes, or may enhance the effectiveness of immunotherapy.

Simplified

Key numbers

15 months
Median Survival for Glioblastoma
Median survival duration for glioblastoma patients

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Funding

Competing interests

Declarations. Competing Interests: The authors declare no competing interests. Consent for Publication: All authors have approved the manuscript.
PubMed

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