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- Title
Thymic stromal lymphopoietin limits primary and recall CD8<sup>+</sup> T-cell anti-viral responses.
- Authors
Ebina-Shibuya, Risa; West, Erin E.; Spolski, Rosanne; Peng Li; Jangsuk Oh; Kazemian, Majid; Gromer, Daniel; Swanson, Phillip; Ning Du; McGavern, Dorian B.; Leonard, Warren J.
- Abstract
Thymic stromal lymphopoietin (TSLP) is a cytokine that acts directly on CD4+ T cells and dendritic cells to promote progression of asthma, atopic dermatitis, and allergic inflammation. However, a direct role for TSLP in CD8+ T-cell primary responses remains controversial and its role in memory CD8+ T cell responses to secondary viral infection is unknown. Here, we investigate the role of TSLP in both primary and recall responses in mice using two different viral systems. Interestingly, TSLP limited the primary CD8+ T-cell response to influenza but did not affect T cell function nor significantly alter the number of memory CD8+ T cells generated after influenza infection. However, TSLP inhibited memory CD8+ T-cell responses to secondary viral infection with influenza or acute systemic LCMV infection. These data reveal a previously unappreciated role for TSLP on recall CD8+ T-cell responses in response to viral infection, findings with potential translational implications.
- Subjects
THYMIC stromal lymphopoietin; T cells; VIRUS diseases; CYTOKINES; DENDRITIC cells; CELL physiology
- Publication
eLife, 2021, p1
- ISSN
2050-084X
- Publication type
Article
- DOI
10.7554/eLife.61912