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Related Experiment Videos

Targeting TDO in cancer immunotherapy.

Cheng-Peng Yu1, Yun-Lei Song2, Zheng-Ming Zhu3

  • 1The Second Clinic Medical College, School of Medicine, Nanchang University, Nanchang, China.

Medical Oncology (Northwood, London, England)
|March 31, 2017
PubMed
Summary

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Tryptophan-2,3-dioxygenase (TDO) impacts cancer immunity by altering tryptophan metabolism. Inhibiting TDO shows promise as a novel cancer therapy by modulating the anti-tumor immune response.

Area of Science:

  • Biochemistry
  • Immunology
  • Oncology

Background:

  • Tryptophan-2,3-dioxygenase (TDO) is a key enzyme in the kynurenine pathway, regulating tryptophan metabolism.
  • TDO upregulation decreases tryptophan levels and increases kynurenine, impacting T cell proliferation and anti-tumor immunity.

Purpose of the Study:

  • To review the biological features and regulatory mechanisms of TDO.
  • To elucidate the role of TDO in anti-tumor immune responses across various cancers.
  • To discuss the potential of TDO inhibitors as cancer therapeutics.

Main Methods:

  • Literature review of TDO's biological functions and regulatory mechanisms.
  • Analysis of TDO's involvement in anti-tumor immunity in different cancer types.
  • Exploration of TDO inhibitors for cancer treatment development.
Keywords:
ImmunomodulationTDOTryptophan metabolismTumor

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Main Results:

  • TDO plays a significant role in modulating the tumor microenvironment and immune evasion.
  • Accumulation of kynurenine pathway metabolites affects T cell function and anti-tumor responses.
  • TDO is identified as a promising therapeutic target for cancer immunotherapy.

Conclusions:

  • TDO is a critical regulator of the anti-tumor immune response and a viable therapeutic target.
  • Further research into TDO inhibitors could lead to novel strategies for cancer treatment.
  • Understanding TDO's role is crucial for developing effective cancer immunotherapies.