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IDO in the Tumor Microenvironment: Inflammation, Counter-Regulation, and Tolerance

Open access
Munn, David H., Mellor, Andrew L.·2016·Trends in Immunology

Abstract

Indoleamine 2,3-dioxygenase (IDO) has immunoregulatory roles associated tryptophan metabolism. These include counter-regulation (controlling inflammation) and acquired tolerance in T cells. Recent findings reveal that IDO can be triggered by innate responses during tumorigenesis, and also by attempted T cell activation, either spontaneous or due to immunotherapy. Here we review the current understanding of mechanisms by which IDO participates in the control of inflammation and in peripheral tolerance. Focusing on the tumor microenvironment, we examine the role of IDO in response to apoptotic cells and the impact of IDO on Treg cell function. We discuss how the counter-regulatory and tolerogenic functions of IDO can be targeted for cancer immunotherapy and present an overview of the current clinical progress in this area.

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Metadata

Authors
Munn, D. H., & Mellor, A. L.
Venue
Trends in Immunology
Publisher
Elsevier BV
Published
2016-03
Volume
37
Issue
3
Pages
193-207
ISSN
1471-4906 (ISSN-L)
OpenAlex
W2273004055
Cited by
1,041
References
15
FWCI
6.22
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: IDO in the Tumor Microenvironment: Inflammation, Counter-Regulation, and Tolerance. https://app.cochat.ai/papers/10.1016/j.it.2016.01.002
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Munn, D. H., & Mellor, A. L. (2016). IDO in the Tumor Microenvironment: Inflammation, Counter-Regulation, and Tolerance. Trends in Immunology. https://doi.org/10.1016/j.it.2016.01.002

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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