Article
2'-O-Methyl-guanosine RNA fragments antagonize TLR7 and TLR8 to limit autoimmunity.
Nature immunology - 1 Apr 2026
Alharbi Arwaf S, Sapkota Sunil, Zhang Zhikuan, Jin Ruitao, Rupasinghe Erandi, Jayasekara W Samantha N, Yu Dingyi, Speir Mary, Wilkinson-White Lorna, Cubeddu Liza, Ellyard Julia I, Rezwan Refaya, Wenholz Daniel S, McAllan Alexandra L, Gao Rui, Ying Le, Sathiqu Rasan M, Hosseini Far Hani, Bones Josiah, He Sitong, Alexander Marina R, Lennox Kim A, Hertzog Paul J, Nold-Petry Claudia A, Stewart Cameron R, Vinuesa Carola G, Behlke Mark A, Ohto Umeharu, Laczka Olivier F, Gamsjaeger Roland, Corry Ben, Shimizu Toshiyuki, Gantier Michael P
Abstract excerpt
Recognition of RNA fragments by Toll-like receptor 7 (TLR7) and TLR8 helps to initiate the innate immune response against pathogens. An outstanding question is why RNA fragments generated during clearance of apoptotic cells fail to activate TLR7 and TLR8 signaling. Here we show that select 2'-O-methyl (2'-OMe) guanosine RNA fragments, including those derived from host RNAs, function as potent TLR7 and TLR8...
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