The DOI matches its Crossref record; 46 of the 46 references it cites were found in a registry or an index.
IL-7 Licenses Activation of Human Liver Intrasinusoidal Mucosal-Associated Invariant T Cells
Abstract
Human mucosal-associated invariant T (MAIT) cells are a T cell population characterized by the expression of a semi-invariant TCR capable of recognizing bacterial products in the context of MR1. MAIT cells are enriched in the human liver, which is constantly exposed to bacterial products from the intestine. Whether this specific parenchymal localization influences their function remains unknown. We analyzed MAIT cells resident in the vascular bed of livers and showed that they represented the majority of T cells expressing NK markers and the dominant IL-17A+ T cell subset in the human liver sinusoids. In comparison with MAIT cells purified from peripheral blood, intrasinusoidal MAIT cells expressed markers of T cell activation; however, TCR-mediated cytokine production was equally suppressed in both circulating and intrasinusoidal MAIT cells. MAIT cells also expressed high levels of IL-7R, and we showed that IL-7, a cytokine produced by hepatocytes during inflammation, regulated TCR-mediated activation of MAIT cells, licensing them to dramatically increase Th1 cytokines and IL-17A production. Our quantitative and functional data indicate that MAIT cells are a specialized cell population highly adapted to exert their immune functions in the vascular network of the liver.
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Guidelines for the use of flow cytometry and cell sorting in immunological studies (third edition)
Cossarizza, A., Chang, H., Radbruch, A., Abrignani, S., Addo, R., Akdis, M., Andrä, I., Andreata, F., Annunziato, F., Arranz, E., et al. (2021) · European Journal of Immunology · doi:10.1002/eji.202170126 · Cited by 531
Metadata
- Authors
- Tang, X.-Z., Jo, J., Tan, A. T., Sandalova, E., Chia, A., Tan, K. C., Lee, K. H., Gehring, A. J., De Libero, G., & Bertoletti, A.
- Venue
- The Journal of Immunology
- Publisher
- Oxford University Press (OUP)
- Published
- 2013-04-01
- Volume
- 190
- Issue
- 7
- Pages
- 3142-3152
- ISSN
- 0022-1767 (ISSN-L)
- 1550-6606
- OpenAlex
- W1554432738
- Cited by
- 356
- References
- 46
- FWCI
- 13.37
- Type
- journal article
- Language
- en
- Open access
- closed
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- Tang, X.-Z., Jo, J., Tan, A. T., Sandalova, E., Chia, A., Tan, K. C., Lee, K. H., Gehring, A. J., De Libero, G., & Bertoletti, A. (2013). IL-7 Licenses Activation of Human Liver Intrasinusoidal Mucosal-Associated Invariant T Cells. The Journal of Immunology. https://doi.org/10.4049/jimmunol.1203218
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