Mycobacterial receptor, Clec4d (CLECSF8, MCL), is coregulated with Mincle and upregulated on mouse myeloid cells following microbial challenge

Bernhard Kerscher, Gillian J. Wilson, Delyth M. Reid, Daiki Mori, Julie A. Taylor, Gurdyal S. Besra, Sho Yamasaki, Janet A. Willment, Gordon D. Brown

    Research output: Contribution to journalArticle

    20 Citations (Scopus)

    Abstract

    The C-type lectin receptor (CTLR), Clec4d (MCL, CLECSF8), is a member of the Dectin-2 cluster of CTLRs, which also includes the related receptors Mincle and Dectin-2. Like Mincle, Clec4d recognizes mycobacterial cord factor, trehalose dimycolate, and we recently demonstrated its key role in anti-mycobacterial immunity in mouse and man. Here, we characterized receptor expression in naïve mice, under inflammatory conditions, and during Mycobacterium bovis BCG infection using newly generated monoclonal antibodies. In naïve mice, Clec4d was predominantly expressed on myeloid cells within the peritoneal cavity, blood, and bone marrow. Unexpectedly, basal expression of Clec4d was very low on leukocytes in the lung. However, receptor expression was significantly upregulated on pulmonary myeloid cells during M. bovis BCG infection. Moreover, Clec4d expression could be strongly induced in vitro and in vivo by various microbial stimuli, including TLR agonists, but not exogenous cytokines. Notably, we show that Clec4d requires association with the signaling adaptor FcRγ and Mincle, but not Dectin-2, for surface expression. In addition, we provide evidence that Clec4d and Mincle, but not Dectin-2, are interdependently coregulated during inflammation and infection. These data show that Clec4d is an inducible myeloid-expressed CTLR in mice, whose expression is tightly linked to that of Mincle.

    Original languageEnglish
    Pages (from-to)381-389
    Number of pages9
    JournalEuropean Journal of Immunology
    Volume46
    Issue number2
    DOIs
    Publication statusPublished - Feb 1 2016

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    Myeloid Cells
    Mycobacterium bovis
    Cord Factors
    C-Type Lectins
    Infection
    Lung
    Peritoneal Cavity
    Immunity
    Leukocytes
    Bone Marrow
    Monoclonal Antibodies
    Cytokines
    Inflammation
    mouse dectin-2

    All Science Journal Classification (ASJC) codes

    • Immunology and Allergy
    • Immunology

    Cite this

    Mycobacterial receptor, Clec4d (CLECSF8, MCL), is coregulated with Mincle and upregulated on mouse myeloid cells following microbial challenge. / Kerscher, Bernhard; Wilson, Gillian J.; Reid, Delyth M.; Mori, Daiki; Taylor, Julie A.; Besra, Gurdyal S.; Yamasaki, Sho; Willment, Janet A.; Brown, Gordon D.

    In: European Journal of Immunology, Vol. 46, No. 2, 01.02.2016, p. 381-389.

    Research output: Contribution to journalArticle

    Kerscher, B, Wilson, GJ, Reid, DM, Mori, D, Taylor, JA, Besra, GS, Yamasaki, S, Willment, JA & Brown, GD 2016, 'Mycobacterial receptor, Clec4d (CLECSF8, MCL), is coregulated with Mincle and upregulated on mouse myeloid cells following microbial challenge', European Journal of Immunology, vol. 46, no. 2, pp. 381-389. https://doi.org/10.1002/eji.201545858
    Kerscher, Bernhard ; Wilson, Gillian J. ; Reid, Delyth M. ; Mori, Daiki ; Taylor, Julie A. ; Besra, Gurdyal S. ; Yamasaki, Sho ; Willment, Janet A. ; Brown, Gordon D. / Mycobacterial receptor, Clec4d (CLECSF8, MCL), is coregulated with Mincle and upregulated on mouse myeloid cells following microbial challenge. In: European Journal of Immunology. 2016 ; Vol. 46, No. 2. pp. 381-389.
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    AU - Reid, Delyth M.

    AU - Mori, Daiki

    AU - Taylor, Julie A.

    AU - Besra, Gurdyal S.

    AU - Yamasaki, Sho

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