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A Gut-on-a-Chip Model to Study the Gut Microbiome-Nervous System Axis
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Anti-PD1 in the wonder-gut-land

Marie Vetizou1, Giorgio Trinchieri1

  • 1Cancer and Inflammation Program, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA.

Cell Research
|January 17, 2018
PubMed

Insights

The gut microbiome influences cancer immunotherapy effectiveness. Understanding this gut microbiota connection can help improve responses to immune checkpoint blockers like anti-PD1 therapy.

Area of Science:

  • Oncology
  • Immunology
  • Microbiome Research

Background:

  • Cancer immunotherapy, particularly immune checkpoint blockers (ICBs), has shown initial success.
  • A significant challenge remains in identifying non-responders and enhancing treatment efficacy for a broader patient population.

Purpose of the Study:

  • To investigate the role of the gut microbiota in modulating patient responses to anti-PD1 therapy.
  • To explore potential strategies for increasing response rates in epithelial cancers and melanoma.

Main Methods:

  • Analysis of patient data and gut microbiome composition.
  • Correlation studies between specific microbial profiles and response to anti-PD1 therapy.

Main Results:

  • Three recent studies indicate a significant modulation of anti-PD1 therapy response by the gut microbiota.
  • Specific gut microbial compositions are associated with differential patient outcomes.

Conclusions:

  • The gut microbiota is a key factor influencing the efficacy of anti-PD1 cancer immunotherapy.
  • Targeting or understanding the gut microbiome may offer new avenues to improve cancer treatment outcomes.

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