Toll-like receptors (TLRs) expressed by innate immune cells recognize a spectrum of microbial structures. Recent studies have provided convincing evidence that TLR7 and TLR8 play a key role in sensing viral RNAs. Under certain conditions these receptors can also recognize self-RNA leading to the induction and/or perpetuation of autoimmune diseases. Recently, we have shown that the incorporation of 2'-modifications in RNAs not only evade immune activation but also suppress TLR7 and TLR8 signaling triggered by immunostimulatory RNAs. Comparable to immunosuppressive DNA oligonucleotides, 2'-modified RNAs may have utility as inhibitors of pathogenic inflammatory reactions mediated by TLR activation. This chapter describes the characterization of immunosuppressive RNA oligonucleotides carrying 2'-modified uridines.
CITATION STYLE
Sioud, M. (2010). Development of TLR7/8 small RNA antagonists. Methods in Molecular Biology (Clifton, N.J.), 629, 387–394. https://doi.org/10.1007/978-1-60761-657-3_25
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