First Author | Liang J | Year | 2016 |
Journal | Cell Rep | Volume | 17 |
Issue | 5 | Pages | 1330-1343 |
PubMed ID | 27783947 | Mgi Jnum | J:240904 |
Mgi Id | MGI:5896709 | Doi | 10.1016/j.celrep.2016.09.091 |
Citation | Liang J, et al. (2016) Inflammatory Th1 and Th17 in the Intestine Are Each Driven by Functionally Specialized Dendritic Cells with Distinct Requirements for MyD88. Cell Rep 17(5):1330-1343 |
abstractText | Normal dynamics between microbiota and dendritic cells (DCs) support modest numbers of T cells, yet these do not cause inflammation. The DCs that induce inflammatory T cells and the signals that drive this process remain unclear. Here, we demonstrate that small intestine DCs lacking the signaling attenuator A20 induce inflammatory T cells and that the signals perceived and antigen-presenting cell (APC) functions are unique for different DC subsets. Thus, although CD103+CD11b- DCs exclusively instruct IFNgamma+ T cells, CD103+CD11b+ DCs exclusively instruct IL-17+ T cells. Surprisingly, APC functions of both DC subsets are upregulated in a MyD88-independent fashion. In contrast, CD103-CD11b+ DCs instruct both IFNgamma+ and IL-17+ T cells, and only the IL-17-inducing APC functions require MyD88. In disease pathogenesis, both CD103-CD11b+ and CD103+CD11b+ DCs expand pathologic Th17 cells. Thus, in disease pathogenesis, specific DCs instruct specific inflammatory T cells. |