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Updated: Jun 28, 2025

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The essential link: How STAT3 connects tumor metabolism to immunity

Shu Zhong1, Jingjing Tong1

  • 1Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, Wuhan 430079, PR China.

Biochimica Et Biophysica Acta. Gene Regulatory Mechanisms
|April 18, 2024
PubMed

Insights

Signal transducer and activator of transcription 3 (STAT3) is crucial for tumor metabolism and immune response. Targeting STAT3 may optimize cancer immunotherapy by modulating tumor microenvironment and immune cell function.

Area of Science:

  • Oncology
  • Immunology
  • Metabolic pathways

Background:

  • Immunotherapy offers promising tumor treatment but faces challenges from complex tumor metabolism.
  • Key proteins regulating tumor metabolism and immune responses are essential for optimizing immunotherapy.
  • Signal transducer and activator of transcription 3 (STAT3) is a critical regulator of tumor metabolism and immune cell function.

Purpose of the Study:

  • To review the intricate crosstalk between STAT3 and tumor metabolism.
  • To elucidate the impact of STAT3 on immune cell differentiation and function.
  • To identify potential therapeutic strategies targeting the STAT3 pathway in cancer immunotherapy.

Main Methods:

  • Literature review of studies investigating STAT3, tumor metabolism, and immune responses.
  • Analysis of the role of STAT3 in glucose, lipid, and amino acid metabolism within tumors.
  • Examination of STAT3's influence on T cells, tumor-associated macrophages (TAMs), and myeloid-derived suppressor cells (MDSCs).

Main Results:

  • STAT3 significantly influences dynamic tumor metabolism, affecting nutrient utilization.
  • STAT3 signaling impacts the differentiation and function of key immune cells, including T cells, TAMs, and MDSCs.
  • Dysregulation of STAT3 contributes to an immunosuppressive tumor microenvironment.

Conclusions:

  • STAT3 is a pivotal mediator linking tumor metabolism and immune evasion.
  • Targeting STAT3 presents a viable strategy for enhancing immunotherapy efficacy.
  • Further research into STAT3-metabolism-immunity interactions can guide novel cancer treatment approaches.
Keywords:
Immune cellImmunotherapyMetabolismSTAT3Tumor

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