Kerrigan, Ann M., Dennehy, Kevin M., Mourao-Sa, Diego, Faro-Trindade, Inês, Willment, Janet A., Taylor, Philip Russel  ORCID: https://orcid.org/0000-0003-0163-1421, Eble, Johannes A., Reis e Sousa, Caetano and Brown, Gordon D.
2009.
CLEC-2 is a phagocytic activation receptor expressed on murine peripheral blood neutrophils.
The Journal of Immunology
182
(7)
, pp. 4150-4157.
10.4049/jimmunol.0802808
|
Abstract
CLEC-2 is a member of the “dectin-1 cluster” of C-type lectin-like receptors and was originally thought to be restricted to platelets. In this study, we demonstrate that murine CLEC-2 is also expressed by peripheral blood neutrophils, but only weakly by bone marrow or elicited inflammatory neutrophils. On circulating neutrophils, CLEC-2 can mediate phagocytosis of Ab-coated beads and the production of proinflammatory cytokines, including TNF-α, in response to the CLEC-2 ligand, rhodocytin. CLEC-2 possesses a tyrosine-based cytoplasmic motif similar to that of dectin-1, and we show using chimeric analyses that the activities of this receptor are dependent on this tyrosine. Like dectin-1, CLEC-2 can recruit the signaling kinase Syk in myeloid cells, however, stimulation of this pathway does not induce the respiratory burst. These data therefore demonstrate that CLEC-2 expression is not restricted to platelets and that it functions as an activation receptor on neutrophils.
| Item Type: | Article |
|---|---|
| Date Type: | Publication |
| Status: | Published |
| Schools: | Schools > Medicine Research Institutes & Centres > Systems Immunity Research Institute (SIURI) |
| Subjects: | Q Science > QR Microbiology > QR180 Immunology |
| Publisher: | American Association of Immunologists |
| ISSN: | 0022-1767 |
| Last Modified: | 20 Oct 2022 08:47 |
| URI: | https://orca.cardiff.ac.uk/id/eprint/29588 |
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