2024
Electron tomography visualization of HIV-1 virions trapped by fusion inhibitors to host cells in infected tissues.
Ladinsky M, Zhu L, Ullah I, Uchil P, Kumar P, Kay M, Bjorkman P. Electron tomography visualization of HIV-1 virions trapped by fusion inhibitors to host cells in infected tissues. Journal Of Virology 2024, e0143224. PMID: 39475277, DOI: 10.1128/jvi.01432-24.Peer-Reviewed Original ResearchHIV-1 virionsHIV-1 target cellsHIV-1Fusion inhibitorsTarget cellsBone marrow/liver/thymus miceHIV-1 pseudovirionsCo-receptorHost cell membraneTZM-bl cellsPre-hairpin intermediateVascular endothelial cellsCell surfaceHumanized miceTZM-blCell membraneInfected tissuesEnvEndothelial cellsViral envelopeBind host receptorsHost receptorsInhibitorsCo-receptor proteinsPresence of virionsCell surface RNAs control neutrophil recruitment
Zhang N, Tang W, Torres L, Wang X, Ajaj Y, Zhu L, Luan Y, Zhou H, Wang Y, Zhang D, Kurbatov V, Khan S, Kumar P, Hidalgo A, Wu D, Lu J. Cell surface RNAs control neutrophil recruitment. Cell 2024, 187: 846-860.e17. PMID: 38262409, PMCID: PMC10922858, DOI: 10.1016/j.cell.2023.12.033.Peer-Reviewed Original ResearchConceptsCell surfaceMammalian homologOuter cell surfaceRNA transportGlycan modificationsMammalian cellsSID-1Cellular functionsRecruitment to inflammatory sitesGlycoRNARNAMurine neutrophilsFunctional significanceNeutrophil recruitmentNeutrophil recruitment to inflammatory sitesBiological importanceCellsNeutrophil adhesionReduced neutrophil adhesionHomologyGlycansGenesInflammatory sitesRecruitmentEndothelial cells
2023
Cell Surface RNAs Control Neutrophil Function
Zhang N, Tang W, Torres L, Zhu L, Wang X, Ajaj Y, Wang Y, Zhang D, Kurbatov V, Zhou H, Luan Y, Kumar P, Hidalgo A, Wu D, Lu J. Cell Surface RNAs Control Neutrophil Function. Blood 2023, 142: 674. DOI: 10.1182/blood-2023-187570.Peer-Reviewed Original ResearchExtracellular RNaseCell surfaceTotal RNABona fide ligandsEndothelial cellsOuter cell surfaceTransendothelial migrationMammalian cellsSuch RNAsGlycan modificationsCellular RNAGlycoRNARNase digestionLive cellsRNAHematopoietic cellsRNase treatmentSimilar defectsIntegrin levelsConfocal microscopyRNaseGlycan fractionImportant functionsHomologuesRecombinant E-selectin