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Studying the Effects of Tumor-Secreted Paracrine Ligands on Macrophage Activation using Co-Culture with Permeable Membrane Supports
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The microbiome modulates the tumor macroenvironment.

Susan E Erdman1, Theofilos Poutahidis2

  • 1Division of Comparative Medicine; Massachusetts Institute of Technology; Cambridge, MA USA.

Oncoimmunology
|July 23, 2014
PubMed
Summary
This summary is machine-generated.

Gut microbes influence distant tumors by modulating host immunity and neuroendocrine signals. This research introduces holobiont therapeutic engineering for novel tumor microenvironment treatments.

Keywords:
beneficial microbescarcinogenesismicrobiomeregulatory T cellstumor macroenvironment

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Area of Science:

  • Microbiology
  • Immunology
  • Oncology

Background:

  • The tumor microenvironment is complex, with systemic networks offering therapeutic targets.
  • Emerging research highlights the gut microbiome's role in cancer development and progression.

Purpose of the Study:

  • To explore how gut microbes impact distant preneoplastic lesions.
  • To establish a new therapeutic strategy based on host-microbe interactions.

Main Methods:

  • Investigated the modulation of host immune and neuroendocrine factors by gut microbes.
  • Analyzed the impact of these factors on preneoplastic lesion fate.

Main Results:

  • Gut microbes significantly alter systemic immune and neuroendocrine profiles.
  • Microbial influence directs preneoplastic lesions towards either malignancy or regression.

Conclusions:

  • Gut microbiota represent a critical factor in determining tumor progression.
  • Holobiont therapeutic engineering offers a novel approach to cancer treatment by targeting the gut-host-tumor axis.