Inflammation induced PD-L1-specific T cells
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- 2019A-Munir-Cell-Stress
Final published version, 833 KB, PDF document
PD-L1-specific T cells are a natural part of the T-cell repertoire in humans. Hence, we have previously described spontaneous CD8+ and CD4+ T-cell reactivity against PD-L1 in the peripheral blood of patients with various cancers as well as in healthy donors. It is well described that the expression of the PD-L1 protein is introduced in cells by pro-inflammatory cytokines, e.g. IFN-γ. In the current study, we were able to directly link inflammation with PD-L1-specific T cells by showing that inflammatory mediators such as IFN-γ generate measurable numbers of PD-L1-specific T cells in human PBMCs as well as in in vivo models. These PD-L1-specific T cells can vigorously modulate the cell compartments of the local environment. PD-L1-specific T cells may be important for immune homeostasis by sustaining the ongoing inflammatory response by the suppression of regulatory cell function both directly and indirectly.
Original language | English |
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Journal | Cell Stress & Chaperones |
Volume | 3 |
Issue number | 10 |
Pages (from-to) | 319-327 |
ISSN | 1355-8145 |
DOIs | |
Publication status | Published - 2019 |
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