2024
Enhancing in vivo cell and tissue targeting by modulation of polymer nanoparticles and macrophage decoys
Piotrowski-Daspit A, Bracaglia L, Eaton D, Richfield O, Binns T, Albert C, Gould J, Mortlock R, Egan M, Pober J, Saltzman W. Enhancing in vivo cell and tissue targeting by modulation of polymer nanoparticles and macrophage decoys. Nature Communications 2024, 15: 4247. PMID: 38762483, PMCID: PMC11102454, DOI: 10.1038/s41467-024-48442-7.Peer-Reviewed Original ResearchConceptsPoly(amine-co-esterPolymer nanoparticlesDelivery of nucleic acid therapeuticsCell-type tropismTissue tropismNucleic acid delivery vehiclesIn vivo deliveryIn vivo efficacyCirculation half-lifeNucleic acid therapeuticsVehicle characteristicsTunable propertiesBiodistribution assessmentPhysiological fatePolymer chemistrySurface propertiesPharmacokinetic modelTissue targetingNanoparticlesDistribution modifiersPolymeric nanoparticlesTropismPolymerDelivery vehiclesHalf-life
2022
Surface conjugation of antibodies improves nanoparticle uptake in bronchial epithelial cells
Luks VL, Mandl H, DiRito J, Barone C, Freedman-Weiss MR, Ricciardi AS, Tietjen GG, Egan ME, Saltzman WM, Stitelman DH. Surface conjugation of antibodies improves nanoparticle uptake in bronchial epithelial cells. PLOS ONE 2022, 17: e0266218. PMID: 35385514, PMCID: PMC8986008, DOI: 10.1371/journal.pone.0266218.Peer-Reviewed Original ResearchConceptsTarget-specific antibodiesNanoparticle uptakeSurface conjugationNanoparticle surface modificationSurface of nanoparticlesCellular uptakeSite-specific geneSpecific cellular bindingNanoparticlesIntracellular deliveryEditing reagentsBronchial epithelial cellsSurface modificationCellular targetingCystic fibrosisTherapeutic agentsEpithelial cellsParticle uptakeFeasible strategyGenetic diseasesFirst demonstrationHuman bronchial epithelial cellsKinetics of antibodiesCellular bindingAppropriate antibodies
2021
Nanoparticles for delivery of agents to fetal lungs
Ullrich SJ, Freedman-Weiss M, Ahle S, Mandl HK, Piotrowski-Daspit AS, Roberts K, Yung N, Maassel N, Bauer-Pisani T, Ricciardi AS, Egan ME, Glazer PM, Saltzman WM, Stitelman DH. Nanoparticles for delivery of agents to fetal lungs. Acta Biomaterialia 2021, 123: 346-353. PMID: 33484911, PMCID: PMC7962939, DOI: 10.1016/j.actbio.2021.01.024.Peer-Reviewed Original ResearchConceptsFetal lungCellular uptakeIntra-amniotic routeRoute of deliveryCongenital lung diseaseDelivery of agentsIntra-amniotic deliveryRelative cellular uptakeNanoparticlesFetal treatmentDiaphragmatic herniaLung diseaseFetal therapyLung tissueFetal miceIntravenous deliveryCystic fibrosisLungLung therapyInterventional technologiesTherapeutic agentsEndothelial cellsCell populationsEffective targetingTherapy
2015
Nanoparticles that deliver triplex-forming peptide nucleic acid molecules correct F508del CFTR in airway epithelium
McNeer NA, Anandalingam K, Fields RJ, Caputo C, Kopic S, Gupta A, Quijano E, Polikoff L, Kong Y, Bahal R, Geibel JP, Glazer PM, Saltzman WM, Egan ME. Nanoparticles that deliver triplex-forming peptide nucleic acid molecules correct F508del CFTR in airway epithelium. Nature Communications 2015, 6: 6952. PMID: 25914116, PMCID: PMC4480796, DOI: 10.1038/ncomms7952.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell LineChloridesCystic FibrosisCystic Fibrosis Transmembrane Conductance RegulatorDNA-Binding ProteinsGenetic TherapyHigh-Throughput Nucleotide SequencingHumansLactic AcidMice, Inbred C57BLNanoparticlesPeptide Nucleic AcidsPolyglycolic AcidPolylactic Acid-Polyglycolic Acid CopolymerPolymersRespiratory MucosaConceptsFacile genome engineeringVivo gene deliveryBiodegradable polymer nanoparticlesTransient gene expressionNanoparticle systemsGene deliveryPolymer nanoparticlesGene correctionGenome engineeringNanoparticlesOff-target effectsPeptide nucleic acidLethal genetic disorderNucleic acidsDonor DNATarget effectsIntranasal deliveryDeliveryCystic fibrosisEngineeringOligonucleotideChloride effluxHuman cellsAirway epitheliumLung tissue
2012
Surface modified poly(β amino ester)-containing nanoparticles for plasmid DNA delivery
Fields RJ, Cheng CJ, Quijano E, Weller C, Kristofik N, Duong N, Hoimes C, Egan ME, Saltzman WM. Surface modified poly(β amino ester)-containing nanoparticles for plasmid DNA delivery. Journal Of Controlled Release 2012, 164: 41-48. PMID: 23041278, PMCID: PMC3625648, DOI: 10.1016/j.jconrel.2012.09.020.Peer-Reviewed Original ResearchConceptsTransfection efficiencyPDNA loadingNovel nanoparticle systemPlasmid DNA loadingGene delivery vehiclesGene therapy applicationsPlasmid DNA deliverySurface coatingSurface chargePBAE polymerCoated nanoparticlesNanoparticle systemsLiposomal vectorsUnmodified particlesDNA deliveryDNA loadingPDNA deliveryTherapy applicationsCellular internalizationDelivery vehiclesUnmodified NPsPBAEIntracellular uptakeBlended particlesNanoparticles