Relapse or eradication of cancer is predicted by peptide-major histocompatibility complex affinity.

Relapse or eradication of cancer is predicted by peptide-major histocompatibility complex affinity.
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DOI:
10.1016/j.ccr.2013.03.018
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发表时间:
2013-04-15
期刊:
影响因子:
50.3
通讯作者:
Schreiber H
Schreiber H
中科院分区:
医学1区
文献类型:
--
作者:
Engels B;Engelhard VH;Sidney J;Sette A;Binder DC;Liu RB;Kranz DM;Meredith SC;Rowley DA;Schreiber H

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Cancers often relapse after adoptive therapy, even though specific T cells kill cells from the same cancer efficiently in vitro. We found that tumor eradication by T cells required high affinities of the targeted peptides for MHC class I. Affinities of at least 10 nM were required for relapse-free regression. Only high-affinity peptide-MHC interactions led to efficient cross-presentation of antigen, thereby stimulating cognate T cells to secrete cytokines. These findings highlight the importance of targeting peptides with high affinity for MHC class I when designing T cell-based immunotherapy.
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