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Metabolic Signaling in the Tumor Microenvironment.

Ryan Clay1, Kunyang Li1, Lingtao Jin1

  • 1Department of Molecular Medicine, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229, USA.

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|January 11, 2025
PubMed
Summary
This summary is machine-generated.

Cancer cells alter metabolism for growth, creating a hostile tumor microenvironment (TME). This review explores how metabolic crosstalk between cancer, immune, and stromal cells impacts tumor growth and immune response.

Keywords:
cancer metabolismimmune responseoncometabolitetumor microenvironment

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Area of Science:

  • Oncology
  • Cancer Metabolism
  • Immunology

Background:

  • Cancer cells reprogram metabolism, utilizing aerobic glycolysis and alternative carbon sources.
  • This metabolic shift supports rapid growth but generates byproducts, creating a hostile tumor microenvironment (TME) with low pH and redox stress.
  • Research increasingly focuses on how the tumor's metabolic landscape influences the anti-tumor immune response.

Purpose of the Study:

  • To review how metabolic reprogramming in cancer cells contributes to tumorigenesis.
  • To explore the role of secreted metabolites in the TME and their crosstalk between different cell types.
  • To examine the impact of resource competition and metabolic crosstalk on immune cell function.

Main Methods:

  • Literature review of cancer metabolism and tumor microenvironment interactions.
  • Analysis of metabolic pathways utilized by cancer, immune, and stromal cells.
  • Investigation of metabolite secretion and its effects on cellular crosstalk.

Main Results:

  • Metabolic reprogramming in cancer cells fuels growth but creates a hostile TME.
  • Secreted metabolites within the TME mediate crosstalk, promoting tumorigenesis.
  • Metabolic competition and crosstalk significantly hinder anti-tumor immune responses.

Conclusions:

  • Metabolic crosstalk between cancer, immune, and stromal cells is a critical driver of tumorigenesis.
  • Understanding these metabolic interactions is crucial for developing novel cancer therapies.
  • Targeting metabolic pathways and TME crosstalk may enhance anti-tumor immunity.