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The bm12 Inducible Model of Systemic Lupus Erythematosus SLE in C57BL/6 Mice
Published on: November 1, 2015
Myeloid cells as IFNα producers in systemic lupus erythematosus
Taiga Kuga1,2, Asako Chiba1, Goh Murayama2
1Department of Immunology, Juntendo University Faculty of Medicine, Bunkyo-ku, Tokyo, Japan.
None:
Type I interferons (IFNs) play crucial roles in the pathogenesis of systemic lupus erythematosus (SLE). Plasmacytoid dendritic cells (pDCs) stimulated by Toll-like receptor (TLR) pathways have been thought to be the major producers of IFNα in patients with SLE. However, the responsiveness of pDCs from SLE patients to stimuli that produce IFNα differs depending on the type of TLR pathway involved. In addition to pDCs, monocytes from SLE patients were found to produce IFNα when responding to the cGAS-STING pathway. Here, we outline the major pathways that induce IFNα production by myeloid cells in SLE, and the possible mechanisms by which IFNα overproduction occurs by these cells. Finally, we discuss the current and future therapeutic strategies to regulate IFNα production in patients with SLE.
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