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Making and circumventing tolerance to cancer

Item Type:Article
Title:Making and circumventing tolerance to cancer
Creators Name:Kammertoens, T. and Blankenstein, T.
Abstract:The interactions between cancer and immune cells are complex. Even though the mutations that cause cancer can create new antigens that are potentially "visible" to T cells, in most experimental model systems the growth of tumors is accompanied by induction of T cell tolerance towards the tumor. How tolerance to tumors is induced and how tolerance can be broken by immunotherapy has been a main focus in cancer immunology. Here, we discuss experimental models used in cancer immunology. We argue that, while it is obviously easy for tumors to induce tolerance, it should be as easy to circumvent tolerance by the adoptive transfer of tumor-antigen reactive T cells. Effective adoptive T cell therapy has become feasible by methods to identify TCRs against tumor associated (self-) antigens with high affinity and to graft a new antigen specificity to patients' T cells by TCR gene transfer.
Keywords:Experimental Cancer Models, Adoptive T Cell Therapy, Tumor Immunity, Tolerance, Animals
Source:European Journal of Immunology
ISSN:0014-2980
Publisher:Wiley (U.S.A.)
Volume:39
Number:9
Page Range:2345-2353
Date:September 2009
Official Publication:https://doi.org/10.1002/eji.200939612
PubMed:View item in PubMed

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