Peptide mimotopes alter T cell function in cancer and autoimmunity.

Peptide mimotopes alter T cell function in cancer and autoimmunity.
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肽模拟表位改变癌症和自身免疫中的 T 细胞功能。

DOI:
10.1016/j.smim.2020.101395
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发表时间:
2020
影响因子:
7.8
通讯作者:
Nakayama,Maki
Nakayama,Maki
中科院分区:
医学2区
文献类型:
--
作者:
Slansky,JillE;Nakayama,Maki

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在癌症和自身免疫中,T细胞都能识别和应答自身抗原。影响这种反应的一种策略是将氨基酸替换到这些T细胞特异性表位中。现在正在重新考虑这一策略,目标是在癌症中使用检查点阻断疗法和在自身免疫中使用抗原特异性免疫疗法来增加回归时间。我们讨论了这些氨基酸取代如何改变与MHC I类或II类分子和应答T细胞库的相互作用。在治疗中最有效的表位氨基酸替换与T细胞受体和/或MHC分子结合更强,并与与天然抗原相同的T细胞库交叉反应。
T cells recognize and respond to self antigens in both cancer and autoimmunity. One strategy to influence this response is to incorporate amino acid substitutions into these T cell-specific epitopes. This strategy is being reconsidered now with the goal of increasing time to regression with checkpoint blockade therapies in cancer and antigen-specific immunotherapies in autoimmunity. We discuss how these amino acid substitutions change the interactions with the MHC class I or II molecule and the responding T cell repertoire. Amino acid substitutions in epitopes that are the most effective in therapies bind more strongly to T cell receptor and/or MHC molecules and cross-react with the same repertoire of T cells as the natural antigen.
MHC II 类抗原呈递的结构原理。
DOI: --
发表时间: 1999
期刊: Reviews in immunogenetics
影响因子: --
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