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Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Proc+Natl+Acad+Sci+U+S+A 2015 ; 112 (45): E6195-204 Nephropedia Template TP
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RNA sensing by conventional dendritic cells is central to the development of lupus nephritis #MMPMID26512111
Celhar T; Hopkins R; Thornhill SI; De Magalhaes R; Hwang SH; Lee HY; Yasuga H; Jones LA; Casco J; Lee B; Thamboo TP; Zhou XJ; Poidinger M; Connolly JE; Wakeland EK; Fairhurst AM
Proc Natl Acad Sci U S A 2015[Nov]; 112 (45): E6195-204 PMID26512111show ga
Systemic lupus erythematosus is a complex autoimmune disease where genetic and environmental factors play equally important roles. Recent research has identified that upregulation of the innate immune Toll-like receptor 7 (TLR7) is fundamental for the development of severe disease. In our Sle1Tg7 model system, we show that increased expression of TLR7 in dendritic cells (DCs) is important for the development of kidney disease. Furthermore, we identify conventional CD11b+ DCs infiltrating the glomeruli of diseased mice. In a resting state, human myeloid DCs express negligible levels of TLR7. However, exposure to multiple stimuli results in a dramatic increase in expression. Together, these findings suggest a role for myeloid DC-TLR7 in clinical disease and that TLR7 expression in this cellular compartment may represent a novel target for therapeutic investigation.