Abstract:
:In the context of cancer, naïve T cells are insufficiently primed and become progressively dysfunctional. Boosting antitumor responses by blocking PD-1 or CTLA-4 results in durable clinical responses only in a limited proportion of cancer patients, suggesting that other pathways must be targeted to improve clinical efficacy. Our preclinical study in TRAMP mice comparing 14 different immune interventions identified anti-CD40 + IL2/anti-IL2 complexes + IL12Fc as a uniquely efficacious treatment that prevents tolerance induction, promotes priming of sustained, protective tumor-specific CD8(+) T cells, and cures late-stage cancer when given together with adoptively transferred tumor-specific T cells. We propose that improving signals 2 (costimulation) and 3 (cytokines) together with fresh tumor-specific, rather than boosting of dysfunctional preexisting memory, T cells represents a potent therapy for advanced cancer.
journal_name
Cancer Immunol Resjournal_title
Cancer immunology researchauthors
Bransi A,Salgado OC,Beffinger M,Milo K,Silina K,Yagita H,Becher B,Knuth A,van den Broek Mdoi
10.1158/2326-6066.CIR-15-0103-Tsubject
Has Abstractpub_date
2015-11-01 00:00:00pages
1279-88issue
11eissn
2326-6066issn
2326-6074pii
2326-6066.CIR-15-0103-Tjournal_volume
3pub_type
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journal_title:Cancer immunology research
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pub_type: 杂志文章
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pub_type: 杂志文章
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journal_title:Cancer immunology research
pub_type: 杂志文章,评审
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更新日期:2014-07-01 00:00:00
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journal_title:Cancer immunology research
pub_type: 杂志文章
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journal_title:Cancer immunology research
pub_type: 杂志文章
doi:10.1158/2326-6066.CIR-16-0156
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journal_title:Cancer immunology research
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