Cbl-b deficiency prevents functional but not phenotypic T cell anergy.
Cbl-b deficiency prevents functional but not phenotypic T cell anergy.
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Cbl-b缺陷可预防功能性而非表型T细胞无能。
DOI:
10.1084/jem.20202477
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发表时间:
2021-07-05
期刊:
影响因子:
--
通讯作者:
Weiss A
中科院分区:
文献类型:
--
作者:
Nguyen TTT;Wang ZE;Shen L;Schroeder A;Eckalbar W;Weiss A
T cell anergy is an important peripheral tolerance mechanism to prevent autoimmunity. Nguyen et al. find that T cell anergy develops in the periphery, not in the thymus, and depends upon Cbl-b but not Grail or PD-1. T cell anergy is an important peripheral tolerance mechanism. We studied how T cell anergy is established using an anergy model in which the Zap70 hypermorphic mutant W131A is coexpressed with the OTII TCR transgene (W131AOTII). Anergy was established in the periphery, not in the thymus. Contrary to enriched tolerance gene signatures and impaired TCR signaling in mature peripheral CD4 T cells, CD4SP thymocytes exhibited normal TCR signaling in W131AOTII mice. Importantly, the maintenance of T cell anergy in W131AOTII mice required antigen presentation via MHC-II. We investigated the functional importance of the inhibitory receptor PD-1 and the E3 ubiquitin ligases Cbl-b and Grail in this model. Deletion of each did not affect expression of phenotypic markers of anergic T cells or T reg numbers. However, deletion of Cbl-b, but not Grail or PD-1, in W131AOTII mice restored T cell responsiveness and signaling. Thus, Cbl-b plays an essential role in the establishment and/or maintenance of unresponsiveness in T cell anergy.
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DOI:
10.1084/jem.20082902
发表时间:
2009-10-26
期刊:
The Journal of experimental medicine
影响因子:
--
作者:
Hsu LY;Tan YX;Xiao Z;Malissen M;Weiss A
通讯作者:
Weiss A
影响因子:
15.3
作者:
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通讯作者:
Ochi, A
DOI:
10.4049/jimmunol.1602031
发表时间:
2017-04-01
期刊:
Journal of immunology (Baltimore, Md. : 1950)
影响因子:
--
作者:
Kalekar LA;Mueller DL
通讯作者:
Mueller DL
影响因子:
4.4
作者:
Chemnitz, JM;Parry, RV;Riley, JL
通讯作者:
Riley, JL
影响因子:
32.4
作者:
Jeon, MS;Atfield, A;Penninger, JM
通讯作者:
Penninger, JM