Glutamine: a new strategy for targeted metabolic therapy in the tumor microenvironment

Haixu Lv1, Xiao Han2, Yuanshuang Yang2

  • 1Department of Surgery, Heilongjiang Provincial Hospital, Harbin, 150081, China.

Cell Death Discovery
|October 13, 2025
PubMed

Insights

Cancer cells aggressively compete for glutamine in the tumor microenvironment, impacting cell growth and immune function. Targeting glutamine metabolism offers a promising anticancer therapy strategy.

Area of Science:

  • Oncology
  • Cancer Metabolism
  • Immunology

Background:

  • Glutamine is crucial for tumor cell proliferation, metastasis, and invasion within the tumor microenvironment.
  • Tumor cells exhibit metabolic reprogramming, creating a competitive advantage for glutamine acquisition over non-tumor cells.
  • This competition influences immune cell survival/function and non-immune cell behavior.

Purpose of the Study:

  • To review the critical role of glutamine in both tumor and non-tumor cells within the tumor microenvironment.
  • To elucidate the mechanisms of glutamine action in tumor cells and associated signaling pathways.
  • To categorize existing anticancer drugs targeting glutamine metabolism and highlight clinical applications.

Main Methods:

  • Literature review of glutamine's role in cancer metabolism.
  • Analysis of signaling pathways regulating glutamine metabolism in tumors.
  • Categorization of glutamine metabolism-targeting anticancer drugs based on mechanisms of action.

Main Results:

  • Tumor cells possess a superior ability to compete for glutamine due to metabolic reprogramming.
  • Glutamine metabolism is essential for tumor cell growth, survival, and invasion.
  • Targeting glutamine metabolism presents a viable therapeutic strategy against cancer.

Conclusions:

  • Understanding glutamine's role in the tumor microenvironment is vital for developing effective anticancer therapies.
  • Targeting glutamine metabolism offers a promising avenue for novel cancer treatments.
  • Bridging basic research with clinical application is key to advancing cancer therapy.

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