2023
Exploiting a rodent cell block for intrinsic resistance to HIV-1 gene expression in human T cells
Behrens R, Rajashekar J, Bruce J, Evans E, Hansen A, Salazar-Quiroz N, Simons L, Ahlquist P, Hultquist J, Kumar P, Sherer N. Exploiting a rodent cell block for intrinsic resistance to HIV-1 gene expression in human T cells. MBio 2023, 14: e00420-23. PMID: 37676006, PMCID: PMC10653828, DOI: 10.1128/mbio.00420-23.Peer-Reviewed Original ResearchConceptsCyclin T1Species-specific differencesViral gene expressionGene expressionHost proteinsIntron-containing viral RNAsBroad-spectrum resistanceHost cell biologyCRISPR/Cas9 geneLatency reversal agentsIsogenic cell linesHuman T cellsEfficient HIV-1 transcriptionHIV-1 gene expressionCell linesViral RNA transcriptionT cellsSpecies-specific regionsCell-intrinsic defectHIV-1 virion productionHousekeeping proteinsNuclear exportRNA transcriptionCell biologyCas9 gene
2021
Modulating HIV-1 envelope glycoprotein conformation to decrease the HIV-1 reservoir
Rajashekar JK, Richard J, Beloor J, Prévost J, Anand SP, Beaudoin-Bussières G, Shan L, Herndler-Brandstetter D, Gendron-Lepage G, Medjahed H, Bourassa C, Gaudette F, Ullah I, Symmes K, Peric A, Lindemuth E, Bibollet-Ruche F, Park J, Chen HC, Kaufmann DE, Hahn BH, Sodroski J, Pazgier M, Flavell RA, Smith AB, Finzi A, Kumar P. Modulating HIV-1 envelope glycoprotein conformation to decrease the HIV-1 reservoir. Cell Host & Microbe 2021, 29: 904-916.e6. PMID: 34019804, PMCID: PMC8214472, DOI: 10.1016/j.chom.2021.04.014.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntibodies, NeutralizingAntibody-Dependent Cell CytotoxicityAntiviral AgentsCD4 AntigensCD4-Positive T-LymphocytesCell LineEnv Gene Products, Human Immunodeficiency VirusEpitopesFemaleGlycoproteinsHEK293 CellsHIV InfectionsHIV-1HumansImmunoglobulin Fc FragmentsKiller Cells, NaturalMaleMiceMice, SCIDModels, AnimalProtein ConformationVirus ReplicationConceptsAntibody-dependent cellular cytotoxicityHIV-1 reservoirFc effector functionsViral reboundHumanized miceHIV-1HIV-1-infected individualsHIV-1-infected cellsAutologous HIV-1Natural killer cellsCD4-mimetic compoundsHIV-1 replicationSmall CD4-mimetic compoundsART interruptionFunctional cureNK cellsKiller cellsCellular cytotoxicityTherapeutic utilityInfected individualsCD4mcVirus reservoirMiceViral envelopeAntibody recognition
2014
Attachment of Cell-Binding Ligands to Arginine-Rich Cell-Penetrating Peptides Enables Cytosolic Translocation of Complexed siRNA
Zeller S, Choi CS, Uchil PD, Ban HS, Siefert A, Fahmy TM, Mothes W, Lee SK, Kumar P. Attachment of Cell-Binding Ligands to Arginine-Rich Cell-Penetrating Peptides Enables Cytosolic Translocation of Complexed siRNA. Cell Chemical Biology 2014, 22: 50-62. PMID: 25544044, PMCID: PMC4320807, DOI: 10.1016/j.chembiol.2014.11.009.Peer-Reviewed Original Research
2007
Transvascular delivery of small interfering RNA to the central nervous system
Kumar P, Wu H, McBride JL, Jung KE, Hee Kim M, Davidson BL, Kyung Lee S, Shankar P, Manjunath N. Transvascular delivery of small interfering RNA to the central nervous system. Nature 2007, 448: 39-43. PMID: 17572664, DOI: 10.1038/nature05901.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsBlood-Brain BarrierBrainCell LineDrug Delivery SystemsEncephalitis Virus, JapaneseEncephalitis, JapaneseGene SilencingGenetic VectorsGlycoproteinsGreen Fluorescent ProteinsHeLa CellsHumansLentivirusLiposomesMiceMice, Inbred BALB CMice, Inbred C57BLMice, Inbred NODMice, SCIDMolecular Sequence DataNeuronsOligopeptidesRabies virusReceptors, NicotinicRecombinant ProteinsRNA, Small InterferingSuperoxide DismutaseSuperoxide Dismutase-1Viral ProteinsConceptsRVG-9RBlood-brain barrierRabies virus glycoproteinNeuronal cellsTransvascular deliveryFatal viral encephalitisCentral nervous systemTherapeutic moleculesIntravenous treatmentViral encephalitisInflammatory cytokinesAntiviral siRNAIntravenous injectionNervous systemAcetylcholine receptorsNeurological diseasesAnti-peptide antibodiesChimaeric peptidesNoninvasive approachDelivery of siRNABrainSiRNAMiceVirus glycoproteinRobust protection