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Medline ® Abstract for Reference 3

of 'Principles of cancer immunotherapy'

3
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Shaping the repertoire of tumor-infiltrating effector and regulatory T cells.
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Savage PA, Leventhal DS, Malchow S
SO
Immunol Rev. 2014 May;259(1):245-58.
 
Many tumors express antigens that can be specifically or selectively recognized by T lymphocytes, suggesting that T-cell-mediated immunity may be harnessed for the immunotherapy of cancer. However, since tumors originate from normal cells and evolve within the context of self-tissues, the immune mechanisms that prevent the autoimmune attack of normal tissues function in parallel to restrict anti-tumor immunity. In particular, the purging of autoreactive T cells and the development of immune-suppressive regulatory T cells (Tregs) are thought to be major barriers impeding anti-tumor immune responses. Here, we discuss current understanding regarding the antigens recognized by tumor-infiltrating T-cell populations, the mechanisms that shape the repertoire of these cells, and the role of the transcription factor autoimmune regulator (Aire) in these processes. Further elucidation of these principles is likely to be critical for optimizing emerging cancer immunotherapies, and for the rational design of novel therapies exhibiting robust anti-tumor activity with limited toxicity.
AD
Department of Pathology, University of Chicago, Chicago, IL, USA.
PMID