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Home sweet home: The tumor microenvironment as a haven for regulatory T cells

Ondondo, Beatrice, Jones, Emma, Godkin, Andrew James ORCID: and Gallimore, Awen Myfanwy ORCID: 2013. Home sweet home: The tumor microenvironment as a haven for regulatory T cells. Frontiers in Immunology 4 , 197. 10.3389/fimmu.2013.00197

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CD4+Foxp3+ regulatory T cells (Tregs) have a fundamental role in maintaining immune balance by preventing autoreactivity and immune-mediated pathology. However this role of Tregs extends to suppression of anti-tumor immune responses and remains a major obstacle in the development of anti-cancer vaccines and immunotherapies. This feature of Treg activity is exacerbated by the discovery that Treg frequencies are not only elevated in the blood of cancer patients, but are also significantly enriched within tumors in comparison to other sites. These observations have sparked off the quest to understand the processes through which Tregs become elevated in cancer-bearing hosts and to identify the specific mechanisms leading to their accumulation within the tumor microenvironment. This manuscript reviews the evidence for specific mechanisms of intra-tumoral Treg enrichment and will discuss how this information may be utilized for the purpose of manipulating the balance of tumor-infiltrating T cells in favor of anti-tumor effector cells.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
Systems Immunity Research Institute (SIURI)
Subjects: R Medicine > R Medicine (General)
Uncontrolled Keywords: tumor immunology, regulatory T cells, intra-tumoral proliferation, chemokines, immunotherapy of cancer
Additional Information: This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in other forums, provided the original authors and source are credited and subject to any copyright notices concerning any third-party graphics etc. This document is protected by copyright and was first published by Frontiers. All rights reserved. It is reproduced with permission.
Publisher: Frontiers Research Foundation
ISSN: 1664-3224
Date of First Compliant Deposit: 30 March 2016
Last Modified: 04 May 2023 21:19

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