dc.contributor.author | KEANE, JOSEPH | |
dc.date.accessioned | 2011-11-29T12:38:49Z | |
dc.date.available | 2011-11-29T12:38:49Z | |
dc.date.issued | 2011 | |
dc.date.submitted | 2011 | en |
dc.identifier.citation | Alexander W. Beham, Kerstin Puellmann, Rebecca Laird, Tina Fuchs, Roswita Streich, Caroline Breysach, Dirk Raddatz, Septimia Oniga, Teresa Peccerella, Peter Findeisen, Julia Kzhyshkowska, Alexei Gratchev, Stefan Schweyer, Bernadette Saunders, Johannes T. Wessels, Wiebke Mobius, Joseph Keane, Heinz Becker, Arnold Ganser, Michael Neumaier, Wolfgang E. Kaminski, A TNF-Regulated Recombinatorial Macrophage Immune Receptor Implicated in Granuloma Formation in Tuberculosis, PLoS Pathogens, 7, 11, e1002375, 2011 | en |
dc.identifier.other | Y | |
dc.identifier.uri | http://hdl.handle.net/2262/61005 | |
dc.description | PUBLISHED | en |
dc.description.abstract | Macrophages play a central role in host defense against mycobacterial infection and anti- TNF therapy is associated with granuloma disorganization and reactivation of tuberculosis in humans. Here, we provide evidence for the presence of a T cell receptor (TCR) ?? based recombinatorial immune receptor in subpopulations of human and mouse monocytes and macrophages. In vitro, we find that the macrophage-TCR?? induces the release of CCL2 and modulates phagocytosis. TNF blockade suppresses macrophage-TCR?? expression. Infection of macrophages from healthy individuals with mycobacteria triggers formation of clusters that express restricted TCR V? repertoires. In vivo, TCR?? bearing macrophages abundantly accumulate at the inner host-pathogen contact zone of caseous granulomas from patients with lung tuberculosis. In chimeric mouse models, deletion of the variable macrophage-TCR?? or TNF is associated with structurally compromised granulomas of pulmonary tuberculosis even in the presence of intact T cells. These results uncover a TNF-regulated recombinatorial immune receptor in monocytes/macrophages and demonstrate its implication in granuloma formation in tuberculosis. | en |
dc.description.sponsorship | The work was supported by the Deutsche Forschungsgemeinschaft (DFG) grants KA 1078/4-1 (WEK), BE 1768/5-1 (AWB) and a grant from the Stiftung Pathobiochemie (DGKL)(WEK). | en |
dc.language.iso | en | en |
dc.publisher | PLoS | en |
dc.relation.ispartofseries | PLoS Pathogens; | |
dc.relation.ispartofseries | 7; | |
dc.relation.ispartofseries | 11, e1002375; | |
dc.rights | Y | en |
dc.subject | Immunology | en |
dc.subject | Macrophages | en |
dc.title | A TNF-Regulated Recombinatorial Macrophage Immune Receptor Implicated in Granuloma Formation in Tuberculosis | en |
dc.type | Journal Article | en |
dc.type.supercollection | scholarly_publications | en |
dc.type.supercollection | refereed_publications | en |
dc.identifier.peoplefinderurl | http://people.tcd.ie/josephmk | |
dc.identifier.rssinternalid | 76073 | |
dc.identifier.rssuri | http://dx.doi.org/10.1371/journal.ppat.1002375 | en |