Viral 5′‐triphosphate RNA and non‐CpG DNA aggravate autoimmunity and lupus nephritis <i>via</i> distinct TLR‐independent immune responses

Abstract excerpt

Certain viral nucleic acids aggravate autoimmunity through nucleic acid-specific TLR. Viral 5'-triphosphate RNA (3P-RNA) and double-stranded non-CpG DNA induce antiviral immunity via TLR-independent pathways but their role in autoimmunity is unknown. Transient exposure of 16-wk-old MRL(lpr/lpr) mice to 3P-RNA aggravated lupus nephritis by increasing IFN signaling and decreasing CD4(+)CD25(+) T cells. By contrast,...

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