2024
Two-dose priming immunization amplifies humoral immunity by synchronizing vaccine delivery with the germinal center response
Bhagchandani S, Yang L, Lam J, Maiorino L, Ben-Akiva E, Rodrigues K, Romanov A, Suh H, Aung A, Wu S, Wadhera A, Chakraborty A, Irvine D. Two-dose priming immunization amplifies humoral immunity by synchronizing vaccine delivery with the germinal center response. Science Immunology 2024, 9: eadl3755. PMID: 39303017, PMCID: PMC11492009, DOI: 10.1126/sciimmunol.adl3755.Peer-Reviewed Original ResearchConceptsDendritic cellsGerminal centersHumoral immunityAntigen-specific germinal centerGerminal center responseSubunit vaccineFollicular dendritic cellsPrimary immune responseIncreased T<sub>rDose 7 daysPrime immunizationGC responseImmune responseVaccine deliveryCenter responseAdministered vaccinesImmunityVaccineRegimensAdjuvant vaccineDoseCellsHIVResponseBolus
2023
Engineering kinetics of TLR7/8 agonist release from bottlebrush prodrugs enables tumor-focused immune stimulation
Bhagchandani S, Vohidov F, Milling L, Tong E, Brown C, Ramseier M, Liu B, Fessenden T, Nguyen H, Kiel G, Won L, Langer R, Spranger S, Shalek A, Irvine D, Johnson J. Engineering kinetics of TLR7/8 agonist release from bottlebrush prodrugs enables tumor-focused immune stimulation. Science Advances 2023, 9: eadg2239. PMID: 37075115, PMCID: PMC10115420, DOI: 10.1126/sciadv.adg2239.Peer-Reviewed Original ResearchConceptsToll-like receptor 7Cancer immunotherapyImmune stimulationMouse syngeneic tumor modelsNext-generation cancer immunotherapyImmune-related toxicitiesAcute systemic inflammationInnate immune cellsSyngeneic tumor modelsPotential cancer immunotherapySystemic inflammationImmune cellsReceptor 7Systemic administrationIntravenous administrationMyeloid cellsTumor growthSystemic toxicityTumor modelObservable systemic toxicityPotent stimulationImidazoquinolinesImmunotherapyStimulationProdrug
2018
Towards an arthritis flare-responsive drug delivery system
Joshi N, Yan J, Levy S, Bhagchandani S, Slaughter K, Sherman N, Amirault J, Wang Y, Riegel L, He X, Rui T, Valic M, Vemula P, Miranda O, Levy O, Gravallese E, Aliprantis A, Ermann J, Karp J. Towards an arthritis flare-responsive drug delivery system. Nature Communications 2018, 9: 1275. PMID: 29615615, PMCID: PMC5882944, DOI: 10.1038/s41467-018-03691-1.Peer-Reviewed Original ResearchConceptsTriamcinolone acetonideInflammatory arthritisArthritis activityFree triamcinolone acetonideIA therapyArthritic miceRheumatoid arthritisArthritis flaresLocal drug delivery methodSingle doseDrug delivery methodsSynovial fluidDrug delivery approachEquivalent doseLocal deliveryArthritisDoseDelivery approachDrug delivery systemsTreatmentDelivery methodsDelivery systemPatientsTherapyIA severity