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Outcompeting cancer.

Medhavi Vishwakarma1, Eugenia Piddini2

  • 1School of Cellular and Molecular Medicine, University of Bristol, Bristol, UK.

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|January 15, 2020
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Summary
This summary is machine-generated.

Cancer cells may exploit cell competition to eliminate neighboring cells for tumor growth. Modulating cell competition could offer novel cancer therapies by targeting tumor expansion and enhancing host defenses.

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Area of Science:

  • Oncology
  • Cell Biology
  • Developmental Biology

Background:

  • The tumor microenvironment is crucial for cancer progression.
  • Cell competition, where less fit cells are eliminated by fitter neighbors, occurs in epithelial tissues.
  • Cancer cells may evolve to manipulate cell competition for their own advantage.

Purpose of the Study:

  • To explore the role of cell competition in cancer development and progression.
  • To investigate how cancer cells might exploit cell competition to promote tumor expansion.
  • To examine the impact of lifestyle factors on cell competition-mediated cancer defenses and propose therapeutic strategies.

Main Methods:

  • Review of existing evidence on cell competition in cancer.
  • Analysis of mechanisms by which cancer cells exploit cell competition.
  • Discussion of the influence of diet and inflammation on cell competition.
  • Proposal of therapeutic interventions targeting cell competition.

Main Results:

  • Evidence suggests cancer cells can be selected for mutations that enable them to kill neighboring host cells via cell competition, aiding tumor expansion.
  • Cell competition can act as a host defense mechanism by eliminating neoplastic and aneuploid cells.
  • Dietary factors (high-sugar, high-fat) and inflammation can impair cell competition-based host defenses, potentially increasing cancer risk.

Conclusions:

  • Cancer cell evolution may involve exploiting cell competition for tumor growth.
  • Cell competition plays a dual role in cancer: potentially promoting it through cancer cell manipulation and combating it through host defense.
  • Modulating cell competition presents a promising avenue for novel anticancer therapies.