Article ; Online: Tim-3 adaptor protein Bat3 is a molecular checkpoint of T cell terminal differentiation and exhaustion.
2021 Volume 7, Issue 18
Abstract: T cell exhaustion has been associated with poor prognosis in persistent viral infection and cancer. Conversely, in the context of autoimmunity, T cell exhaustion has been favorably correlated with long-term clinical outcome. Understanding the development ...
Abstract | T cell exhaustion has been associated with poor prognosis in persistent viral infection and cancer. Conversely, in the context of autoimmunity, T cell exhaustion has been favorably correlated with long-term clinical outcome. Understanding the development of exhaustion in autoimmune settings may provide underlying principles that can be exploited to quell autoreactive T cells. Here, we demonstrate that the adaptor molecule Bat3 acts as a molecular checkpoint of T cell exhaustion, with deficiency of Bat3 promoting a profound exhaustion phenotype, suppressing autoreactive T cell-mediated neuroinflammation. Mechanistically, Bat3 acts as a critical mTORC2 inhibitor to suppress Akt function. As a result, Bat3 deficiency leads to increased Akt activity and FoxO1 phosphorylation, indirectly promoting |
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Language | English |
Publishing date | 2021-04-30 |
Publishing country | United States |
Document type | Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, N.I.H., Extramural |
ZDB-ID | 2810933-8 |
ISSN | 2375-2548 ; 2375-2548 |
ISSN (online) | 2375-2548 |
ISSN | 2375-2548 |
DOI | 10.1126/sciadv.abd2710 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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