2024
Beta Spike-Presenting SARS-CoV-2 Virus-like Particle Vaccine Confers Broad Protection against Other VOCs in Mice
Ullah I, Symmes K, Keita K, Zhu L, Grunst M, Li W, Mothes W, Kumar P, Uchil P. Beta Spike-Presenting SARS-CoV-2 Virus-like Particle Vaccine Confers Broad Protection against Other VOCs in Mice. Vaccines 2024, 12: 1007. PMID: 39340037, PMCID: PMC11435481, DOI: 10.3390/vaccines12091007.Peer-Reviewed Original ResearchImmune responseVirus-like particlesBeta spikesCross-protective immune responsesSARS-CoV-2 immunitySARS-CoV-2Effective immune responseEffective humoral immune responseHumoral immune responseAncestral spikeT cellsVaccination regimenSARS-CoV-2 virus-like particlesVaccine platformMouse modelVariant spike proteinsOmicron spikeBeta variantDisease burdenNon-infectiousReduce virus spreadImmunityVariant spikesFusion glycoproteinSpike protein
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
Long‐acting and extended‐release implant and nanoformulations with a synergistic antiretroviral two‐drug combination controls HIV‐1 infection in a humanized mouse model
Beloor J, Kudalkar SN, Buzzelli G, Yang F, Mandl HK, Rajashekar JK, Spasov KA, Jorgensen WL, Saltzman WM, Anderson KS, Kumar P. Long‐acting and extended‐release implant and nanoformulations with a synergistic antiretroviral two‐drug combination controls HIV‐1 infection in a humanized mouse model. Bioengineering & Translational Medicine 2021, 7: e10237. PMID: 35079625, PMCID: PMC8780078, DOI: 10.1002/btm2.10237.Peer-Reviewed Original ResearchNucleoside reverse transcriptase inhibitorHIV-1 infectionAntiretroviral therapyHIV-1-infected humanized miceTwo-drug combinationsHumanized mouse modelLong-term treatmentReverse transcriptase inhibitorMaintenance of CD4Nonnucleoside reverseHumanized miceAntiretroviral formulationsAdherence issuesARV combinationsTranscriptase inhibitorHIV pandemicT cellsMouse modelInjectable nanoformulationsTherapeutic indexNew drugsSustained levelsInfectionDrugsIntervention
2016
Improvements and Limitations of Humanized Mouse Models for HIV Research: NIH/NIAID “Meet the Experts” 2015 Workshop Summary
Akkina R, Allam A, Balazs AB, Blankson JN, Burnett JC, Casares S, Garcia JV, Hasenkrug KJ, Kashanchi F, Kitchen SG, Klein F, Kumar P, Luster AD, Poluektova LY, Rao M, Sanders-Beer BE, Shultz LD, Zack JA. Improvements and Limitations of Humanized Mouse Models for HIV Research: NIH/NIAID “Meet the Experts” 2015 Workshop Summary. AIDS Research And Human Retroviruses 2016, 32: 109-119. PMID: 26670361, PMCID: PMC4761823, DOI: 10.1089/aid.2015.0258.Peer-Reviewed Original ResearchConceptsHuman leukocyte antigenHumanized mouse modelHuman immunodeficiency virusMouse modelCell engraftmentHuman hematopoietic cell engraftmentNIH/NIAIDHIV immune responsesImmunodeficient mouse strainsHematopoietic cell engraftmentHuman T cellsHIV reservoirXenogeneic graftImmunodeficiency syndromeHumanized miceImmunodeficiency virusLymphoid structuresLeukocyte antigenNew imaging techniquesT cellsImmune responseImmunodeficient miceHost responseHIV researchInfectious diseases
2015
Adenovirus-Vectored Broadly Neutralizing Antibodies Directed Against gp120 Prevent Human Immunodeficiency Virus Type 1 Acquisition in Humanized Mice
Liu S, Jackson A, Beloor J, Kumar P, Sutton RE. Adenovirus-Vectored Broadly Neutralizing Antibodies Directed Against gp120 Prevent Human Immunodeficiency Virus Type 1 Acquisition in Humanized Mice. Human Gene Therapy 2015, 26: 622-634. PMID: 25953321, PMCID: PMC4575530, DOI: 10.1089/hum.2014.146.Peer-Reviewed Original ResearchConceptsHumanized miceHuman immunodeficiency virus type 1 (HIV-1) acquisitionHuman immunodeficiency virus type 1Immunodeficiency virus type 1Plasma viral loadHigher serum levelsSingle intramuscular injectionBroadly Neutralizing AntibodiesVirus type 1First-generation adenoviral vectorsSerum levelsViral loadNeutralizing antibodiesIntramuscular injectionEffective vaccineT cellsHIV-1Therapeutic approachesHigh doseTherapeutic useType 1Adenoviral vectorAdV vectorsMiceAntibodies
2013
Site-specific Genome Editing in PBMCs With PLGA Nanoparticle-delivered PNAs Confers HIV-1 Resistance in Humanized Mice
Schleifman EB, McNeer NA, Jackson A, Yamtich J, Brehm MA, Shultz LD, Greiner DL, Kumar P, Saltzman WM, Glazer PM. Site-specific Genome Editing in PBMCs With PLGA Nanoparticle-delivered PNAs Confers HIV-1 Resistance in Humanized Mice. Molecular Therapy - Nucleic Acids 2013, 2: e135. PMID: 24253260, PMCID: PMC3889188, DOI: 10.1038/mtna.2013.59.Peer-Reviewed Original ResearchPeripheral blood mononuclear cellsHuman peripheral blood mononuclear cellsHIV-1 resistanceHumanized miceCCR5 geneMolecular Therapy-Nucleic Acids (2013) 2Plasma viral RNA loadNOD-scid ILR5-tropic strainsBlood mononuclear cellsViral RNA loadWeeks posttransplantationControl miceMononuclear cellsRNA loadT cellsHIV-1Biodegradable poly (lactide-co-glycolide) (PLGA) nanoparticlesCCR2 geneSingle treatmentMiceCCR5PLGA NPsPeptide nucleic acidPLGA nanoparticles
2008
T Cell-Specific siRNA Delivery Suppresses HIV-1 Infection in Humanized Mice
Kumar P, Ban HS, Kim SS, Wu H, Pearson T, Greiner DL, Laouar A, Yao J, Haridas V, Habiro K, Yang YG, Jeong JH, Lee KY, Kim YH, Kim SW, Peipp M, Fey GH, Manjunath N, Shultz LD, Lee SK, Shankar P. T Cell-Specific siRNA Delivery Suppresses HIV-1 Infection in Humanized Mice. Cell 2008, 134: 577-586. PMID: 18691745, PMCID: PMC2943428, DOI: 10.1016/j.cell.2008.06.034.Peer-Reviewed Original ResearchConceptsHIV infectionAntiviral siRNAsT cellsAnimal modelsCD4 T-cell countCD4 T-cell lossPeripheral blood mononuclear cellsSuppress HIV-1 infectionHu-HSC miceHu-PBL miceT-cell countsT cell lossHIV-1 infectionBlood mononuclear cellsNaive T cellsPreclinical animal modelsSuitable animal modelHumanized miceInfected miceMononuclear cellsSuppress viremiaCell countCell lossTherapeutic potentialHematopoietic stem cells
2003
Screening for T cell-eliciting proteins of Japanese encephalitis virus in a healthy JE-endemic human cohort using recombinant baculovirus-infected insect cell preparations
Kumar P, Uchil PD, Sulochana P, Nirmala G, Chandrashekar R, Haridattatreya M, Satchidanandam V. Screening for T cell-eliciting proteins of Japanese encephalitis virus in a healthy JE-endemic human cohort using recombinant baculovirus-infected insect cell preparations. Archives Of Virology 2003, 148: 1569-1591. PMID: 12898332, DOI: 10.1007/s00705-003-0118-5.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntigens, ViralBaculoviridaeCells, CulturedCohort StudiesEncephalitis Virus, JapaneseEncephalitis, JapaneseEndemic DiseasesFemaleHumansImmunologic MemoryLymphocyte ActivationMaleRecombinant ProteinsRNA HelicasesSerine EndopeptidasesSpodopteraT-LymphocytesViral Nonstructural ProteinsViral ProteinsConceptsJapanese encephalitis virusCell-mediated immune responsesT cell responsesImmune responseJEV infectionT cellsCell responsesEncephalitis virusAdaptive T cell responsesHuman cohortsTh1 immune responseMemory T cellsCell preparationsImmune controlHealthy individualsCohortWhole cell preparationsViral proteinsInfectionNS3 proteinImportant targetVirusCritical determinantNS1NS5 protein
2000
Ethyleneglycol-Bis-(β-Aminoethylether)Tetraacetate as a Blood Anticoagulant: Preservation of Antigen-Presenting Cell Function and Antigen-Specific Proliferative Response of Peripheral Blood Mononuclear Cells from Stored Blood
Kumar P, Satchidanandam V. Ethyleneglycol-Bis-(β-Aminoethylether)Tetraacetate as a Blood Anticoagulant: Preservation of Antigen-Presenting Cell Function and Antigen-Specific Proliferative Response of Peripheral Blood Mononuclear Cells from Stored Blood. MSphere 2000, 7: 578-583. PMID: 10882655, PMCID: PMC95917, DOI: 10.1128/cdli.7.4.578-583.2000.Peer-Reviewed Original ResearchConceptsPeripheral blood mononuclear cellsAntigen-specific responsesBlood mononuclear cellsJapanese encephalitis virusLymphoproliferative responsesMononuclear cellsT cellsFresh peripheral blood mononuclear cellsAdherent antigen-presenting cellsAntigen-Presenting Cell FunctionAntigen-specific proliferative responsesAntigen-specific T cell linesAntigen-specific lymphoproliferative responsesEffector T cellsAntigen-presenting cellsAnticoagulant of choiceT cell linesJEV patientsLymphocyte proliferationAntigen stimulationInterleukin-2Proliferative responseStored bloodStimulation assaysEncephalitis virus