Projects per year
Abstract
Tissue-resident lymphocytes play a key role in immune surveillance, but it remains unclear how these inherently stable cell populations respond to chronic inflammation. In the setting of celiac disease (CeD), where exposure to dietary antigen can be controlled, gluten-induced inflammation triggered a profound depletion of naturally occurring Vγ4 + /Vδ1 + intraepithelial lymphocytes (IELs) with innate cytolytic properties and specificity for the butyrophilin-like (BTNL) molecules BTNL3/BTNL8. Creation of a new niche with reduced expression of BTNL8 and loss of Vγ4 + /Vδ1 + IELs was accompanied by the expansion of gluten-sensitive, interferon-γ-producing Vδ1 + IELs bearing T cell receptors (TCRs) with a shared non-germline-encoded motif that failed to recognize BTNL3/BTNL8. Exclusion of dietary gluten restored BTNL8 expression but was insufficient to reconstitute the physiological Vγ4 + /Vδ1 + subset among TCRγδ + IELs. Collectively, these data show that chronic inflammation permanently reconfigures the tissue-resident TCRγδ + IEL compartment in CeD. Video Abstract: Chronic inflammation, driven in the context of celiac disease by persistent antigenic challenge with dietary gluten, permanently reshapes the tissue-resident innate-like TCRγδ + intraepithelial lymphocyte compartment.
Original language | English |
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Pages (from-to) | 967-981 |
Number of pages | 15 |
Journal | Cell |
Volume | 176 |
Issue number | 5 |
DOIs | |
Publication status | Published - 21 Feb 2019 |
Keywords
- butyrophilin-like molecules
- celiac disease
- intraepithelial lymphocytes
- tissue-resident lymphocytes
- γδ T cells
Projects
- 1 Finished
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ARC Centre of Excellence in Advanced Molecular Imaging
Whisstock, J., Abbey, B., Nugent, K., Quiney, H. M., Godfrey, D. I., Heath, W., Fairlie, D., Chapman, H., Peele, A., Davey, J. & Wittmann, A.
30/06/14 → 31/03/21
Project: Research