2024
Covalent Polymer‐RNA Conjugates for Potent Activation of the RIG‐I Pathway
Palmer C, Pastora L, Kimmel B, Pagendarm H, Kwiatkowski A, Stone P, Arora K, Francini N, Fedorova O, Pyle A, Wilson J. Covalent Polymer‐RNA Conjugates for Potent Activation of the RIG‐I Pathway. Advanced Healthcare Materials 2024, e2303815. PMID: 38648653, PMCID: PMC11493851, DOI: 10.1002/adhm.202303815.Peer-Reviewed Original ResearchChemical design principlesActivation of RIG-I.Retinoic acid-inducible gene ICovalent conjugationRIG-I pathwayNuclease degradationThioether linkageRIG-I.Gene IRNA ligandsElectrostatic interactionsRIG-IDevelopment of therapeuticsPotent activityOligonucleotide therapeuticsNucleaseRNAAnalog carrierNanoparticlesDrug delivery barriersConjugatePolymeric carriersImmunostimulatory activityThioethersIn vivo delivery
2022
The RIG-I receptor adopts two different conformations for distinguishing host from viral RNA ligands
Wang W, Pyle AM. The RIG-I receptor adopts two different conformations for distinguishing host from viral RNA ligands. Molecular Cell 2022, 82: 4131-4144.e6. PMID: 36272408, PMCID: PMC9707737, DOI: 10.1016/j.molcel.2022.09.029.Peer-Reviewed Original ResearchConceptsRNA moleculesRNA ligandsHigh-resolution cryo-EM structuresCryo-EM structureDouble-stranded RNARIG-I receptorInduction of autoimmunityViral RNA moleculesAutoinhibited conformationInnate immune receptorsHost RNARelated RNAProtein foldsMolecular basisUnique molecular featuresHigh-affinity conformationAntiviral sensingHost cellsRNA virusesRNA releaseImmune receptorsRNAViral RNAExquisite selectivityMolecular features