TY - JOUR
T1 - Cutting edge
T2 - mincle is essential for recognition and adjuvanticity of the mycobacterial cord factor and its synthetic analog trehalose-dibehenate
AU - Schoenen, Hanne
AU - Bodendorfer, Barbara
AU - Hitchens, Kelly
AU - Manzanero, Silvia
AU - Werninghaus, Kerstin
AU - Nimmerjahn, Falk
AU - Agger, Else Marie
AU - Stenger, Steffen
AU - Andersen, Peter
AU - Ruland, Jürgen
AU - Brown, Gordon D
AU - Wells, Christine
AU - Lang, Roland
PY - 2010/3/15
Y1 - 2010/3/15
N2 - The mycobacterial cord factor trehalose-6,6-dimycolate (TDM) and its synthetic analog trehalose-6,6-dibehenate (TDB) are potent adjuvants for Th1/Th17 vaccination that activate Syk-Card9 signaling in APCs. In this study, we have further investigated the molecular mechanism of innate immune activation by TDM and TDB. The Syk-coupling adapter protein FcRgamma was essential for macrophage activation and Th17 adjuvanticity. The FcRgamma-associated C-type lectin receptor Mincle was expressed in macrophages and upregulated by TDM and TDB. Recombinant Mincle-Fc fusion protein specifically bound to the glycolipids. Genetic ablation of Mincle abolished TDM/TDB-induced macrophage activation and induction of T cell immune responses to a tuberculosis subunit vaccine. Macrophages lacking Mincle or FcRgamma were impaired in the inflammatory response to Mycobacterium bovis bacillus Calmette-Guérin. These results establish that Mincle is a key receptor for the mycobacterial cord factor and controls the Th1/Th17 adjuvanticity of TDM and TDB.
AB - The mycobacterial cord factor trehalose-6,6-dimycolate (TDM) and its synthetic analog trehalose-6,6-dibehenate (TDB) are potent adjuvants for Th1/Th17 vaccination that activate Syk-Card9 signaling in APCs. In this study, we have further investigated the molecular mechanism of innate immune activation by TDM and TDB. The Syk-coupling adapter protein FcRgamma was essential for macrophage activation and Th17 adjuvanticity. The FcRgamma-associated C-type lectin receptor Mincle was expressed in macrophages and upregulated by TDM and TDB. Recombinant Mincle-Fc fusion protein specifically bound to the glycolipids. Genetic ablation of Mincle abolished TDM/TDB-induced macrophage activation and induction of T cell immune responses to a tuberculosis subunit vaccine. Macrophages lacking Mincle or FcRgamma were impaired in the inflammatory response to Mycobacterium bovis bacillus Calmette-Guérin. These results establish that Mincle is a key receptor for the mycobacterial cord factor and controls the Th1/Th17 adjuvanticity of TDM and TDB.
U2 - 10.4049/jimmunol.0904013
DO - 10.4049/jimmunol.0904013
M3 - Article
C2 - 20164423
SN - 0022-1767
VL - 184
SP - 2756
EP - 2760
JO - The Journal of Immunology
JF - The Journal of Immunology
IS - 6
ER -
