2021
Rare Skin Reactions after mRNA Vaccination, Similar to Jones–Mote Basophil Responses
Askenase PW. Rare Skin Reactions after mRNA Vaccination, Similar to Jones–Mote Basophil Responses. New England Journal Of Medicine 2021, 385: 1720-1721. PMID: 34706177, PMCID: PMC8609603, DOI: 10.1056/nejmc2111452.Peer-Reviewed Original ResearchSmall extracellular vesicles released by infused mesenchymal stromal cells target M2 macrophages and promote TGF‐β upregulation, microvascular stabilization and functional recovery in a rodent model of severe spinal cord injury
Nakazaki M, Morita T, Lankford KL, Askenase PW, Kocsis JD. Small extracellular vesicles released by infused mesenchymal stromal cells target M2 macrophages and promote TGF‐β upregulation, microvascular stabilization and functional recovery in a rodent model of severe spinal cord injury. Journal Of Extracellular Vesicles 2021, 10: e12137. PMID: 34478241, PMCID: PMC8408371, DOI: 10.1002/jev2.12137.Peer-Reviewed Original ResearchConceptsMarrow-derived mesenchymal stem/stromal cellsSpinal cord injuryBlood-spinal cord barrierSmall extracellular vesiclesFunctional recoveryM2 macrophagesCord injuryInjury siteTherapeutic effectStromal cellsSevere spinal cord injurySingle MSC injectionImproved functional recoveryBone marrow-derived mesenchymal stem/stromal cellsM2 macrophage markersSimilar therapeutic effectsRelease of sEVsMesenchymal stem/stromal cellsExtracellular vesiclesTight junction proteinsStem/stromal cellsMesenchymal stromal cellsTGF-β receptorMSC infusionSCI ratsExosomes provide unappreciated carrier effects that assist transfers of their miRNAs to targeted cells; I. They are ‘The Elephant in the Room’
Askenase PW. Exosomes provide unappreciated carrier effects that assist transfers of their miRNAs to targeted cells; I. They are ‘The Elephant in the Room’. RNA Biology 2021, 18: 2038-2053. PMID: 33944671, PMCID: PMC8582996, DOI: 10.1080/15476286.2021.1885189.Peer-Reviewed Original ResearchConceptsExtracellular vesiclesAcceptor cellsOuter membrane vesiclesMiRNA transferMolecular chemical changesNano-extracellular vesiclesCargo moleculesExosome transferMembrane vesiclesMiRNAsGenetic expressionDNA expressionExosomesVesiclesCell functionIntracellular effectsFunctional effectsFunctional alterationsMolecular transferCellsPhysiologic processesLight chainExpressionMitochondriaBiology
2013
Antigen-specific, antibody-coated, exosome-like nanovesicles deliver suppressor T-cell microRNA-150 to effector T cells to inhibit contact sensitivity
Bryniarski K, Ptak W, Jayakumar A, Püllmann K, Caplan MJ, Chairoungdua A, Lu J, Adams BD, Sikora E, Nazimek K, Marquez S, Kleinstein SH, Sangwung P, Iwakiri Y, Delgato E, Redegeld F, Blokhuis BR, Wojcikowski J, Daniel AW, Kormelink T, Askenase PW. Antigen-specific, antibody-coated, exosome-like nanovesicles deliver suppressor T-cell microRNA-150 to effector T cells to inhibit contact sensitivity. Journal Of Allergy And Clinical Immunology 2013, 132: 170-181.e9. PMID: 23727037, PMCID: PMC4176620, DOI: 10.1016/j.jaci.2013.04.048.Peer-Reviewed Original ResearchConceptsCutaneous contact sensitivityEffector T cellsT cell toleranceT cellsExosome-like nanovesiclesContact sensitivityCS-effector T cellsMiRNA-150Regulatory T cellsAntigen-specific mannerSuppressor T cellsRole of antibodiesAdoptive cell transfer modelCell transfer modelT cell regulationLight chainSuppressor cellsLymph nodesReactive haptenImmune suppressionMicroRNA-150Systemic injectionAntibody light chainIntravenous injectionSpleen cells
2011
Stimulatory Lipids Accumulate in the Mouse Liver within 30 min of Contact Sensitization to Facilitate the Activation of Naïve iNKT Cells in a CD1d‐Dependent Fashion
Dey N, Szczepanik M, Lau K, Majewska‐Szczepanik M, Askenase PW. Stimulatory Lipids Accumulate in the Mouse Liver within 30 min of Contact Sensitization to Facilitate the Activation of Naïve iNKT Cells in a CD1d‐Dependent Fashion. Scandinavian Journal Of Immunology 2011, 74: 52-61. PMID: 21352253, DOI: 10.1111/j.1365-3083.2011.02540.x.Peer-Reviewed Original ResearchConceptsHepatic iNKT cellsINKT cellsContact sensitivityHepatic lipidsT cellsB cellsNatural killer T cellsAdoptive transfer techniquesEffector T cellsLiver mononuclear cellsCutaneous inflammatory responseINKT cell activationKiller T cellsMouse liverΑβ T cell receptorAllergic contact dermatitisInnate immune systemRecipient mouse liversSame allergenContact hypersensitivityTopical sensitizationContact sensitizationIgM antibodiesMononuclear cellsIL-4Participation of Inkt Cells in the Early and Late Components of Tc1‐Mediated DNFB Contact Sensitivity: Cooperative Role of γδ‐T Cells
Askenase PW, Majewska‐Szczepanik M, Kerfoot S, Szczepanik M. Participation of Inkt Cells in the Early and Late Components of Tc1‐Mediated DNFB Contact Sensitivity: Cooperative Role of γδ‐T Cells. Scandinavian Journal Of Immunology 2011, 73: 465-477. PMID: 21272050, DOI: 10.1111/j.1365-3083.2011.02522.x.Peer-Reviewed Original ResearchMeSH KeywordsAdoptive TransferAnimalsDermatitis, ContactDinitrofluorobenzeneFemaleFlow CytometryImmunizationImmunophenotypingInterferon-gammaMiceMice, Inbred BALB CMice, Inbred C57BLMice, Inbred CBAMice, KnockoutNatural Killer T-CellsReceptors, Antigen, T-Cell, alpha-betaSpecific Pathogen-Free OrganismsT-Lymphocytes, Cytotoxic
2009
Epicutaneous Immunization with Protein Antigen in the Presence of TLR4 Ligand Induces TCRαβ+CD4+ T Contrasuppressor Cells That Reverse Skin-Induced Suppression of Th1-Mediated Contact Sensitivity
Ptak W, Majewska M, Bryniarski K, Ptak M, Lobo FM, Zając K, Askenase PW, Szczepanik M. Epicutaneous Immunization with Protein Antigen in the Presence of TLR4 Ligand Induces TCRαβ+CD4+ T Contrasuppressor Cells That Reverse Skin-Induced Suppression of Th1-Mediated Contact Sensitivity. The Journal Of Immunology 2009, 182: 837-850. PMID: 19124727, DOI: 10.4049/jimmunol.182.2.837.Peer-Reviewed Original ResearchMeSH KeywordsAdministration, CutaneousAnimalsCD4-Positive T-LymphocytesCells, CulturedContraindicationsDermatitis, ContactImmune ToleranceImmunizationLigandsLipopolysaccharidesMaleMiceMice, Inbred BALB CMice, Inbred CBAMice, KnockoutMice, TransgenicPatch TestsReceptors, Antigen, T-Cell, alpha-betaSkinTh1 CellsToll-Like Receptor 4TrinitrobenzenesConceptsEpicutaneous immunizationEffector cellsIL-12Effector phaseT cellsIFN-gammaTC cellsContrasuppressor T cellsCS effector cellsIL-12 neutralizationSkin-induced suppressionContact sensitivity reactionTh1 effector cellsTLR4 ligand LPSMechanism of actionEC immunizationSuppressor CD4Th1 CD4Regulatory cellsRIL-12TLR4 ligandIL-6Contact sensitivityLigand LPSINF-gamma
2008
Identification of Initiator B Cells, a Novel Subset of Activation-Induced Deaminase-Dependent B-1-Like Cells That Mediate Initiation of Contact Sensitivity
Kerfoot SM, Szczepanik M, Tung JW, Askenase PW. Identification of Initiator B Cells, a Novel Subset of Activation-Induced Deaminase-Dependent B-1-Like Cells That Mediate Initiation of Contact Sensitivity. The Journal Of Immunology 2008, 181: 1717-1727. PMID: 18641308, DOI: 10.4049/jimmunol.181.3.1717.Peer-Reviewed Original ResearchConceptsContact sensitivityB cellsCS initiationInflammatory responseT cell-mediated inflammationProinflammatory T cellsCell-mediated inflammationAdoptive transfer experimentsDelayed-type hypersensitivityAg-specific IgMReceptor gene mutationsSensitized miceVascular activationDeficient recipientsT cellsNovel subsetSomatic hypermutationNovel subpopulationGene mutationsIgMMiceActivation-Induced DeaminaseWT cellsCellsChain gene
2007
c-Jun NH2-Terminal Kinase 2 Inhibits Gamma Interferon Production during Anaplasma phagocytophilum Infection
Pedra JH, Mattner J, Tao J, Kerfoot SM, Davis RJ, Flavell RA, Askenase PW, Yin Z, Fikrig E. c-Jun NH2-Terminal Kinase 2 Inhibits Gamma Interferon Production during Anaplasma phagocytophilum Infection. Infection And Immunity 2007, 76: 308-316. PMID: 17998313, PMCID: PMC2223674, DOI: 10.1128/iai.00599-07.Peer-Reviewed Original ResearchConceptsIFN-gamma productionA. phagocytophilum infectionPhagocytophilum infectionIFN-gammaJnk2-null miceNatural killer T cellsA. phagocytophilumKiller T cellsIFN-gamma releaseIFN-gamma secretionGamma interferon productionT cell agonistsAnaplasma phagocytophilum infectionT cellsEarly eradicationGamma interferonInterferon productionInfectionC-Jun NH2-terminal kinase-2Inhibitory effectElevated levelsMiceAnaplasma phagocytophilumPhagocytophilumKinase 2
2006
Interleukin 5 Plays an Essential Role in Elicitation of Contact Sensitivity through Dual Effects on Eosinophils and B-1 Cells
Itakura A, Kikuchi Y, Kouro T, Ikutani M, Takaki S, Askenase PW, Takatsu K. Interleukin 5 Plays an Essential Role in Elicitation of Contact Sensitivity through Dual Effects on Eosinophils and B-1 Cells. International Archives Of Allergy And Immunology 2006, 140: 8-16. PMID: 16772721, DOI: 10.1159/000092705.Peer-Reviewed Original ResearchConceptsElicitation of CSIgM-producing cellsContact sensitivityEosinophil peroxidase activityEosinophil infiltrationIL-5Antigen-specific immunoglobulin M antibodyCS-effector T cellsEnzyme-linked immunospot assayLocal tissueEffector T cellsRole of interleukinImmunoglobulin M antibodiesIL-5 receptorImmunized ILImmunospot assayContact sensitizationM antibodiesMononuclear cellsDeficient micePolymorphonuclear cellsT cellsImmune responseCell activationInterleukin-5
1996
Delayed-type hypersensitivity in mast cell-deficient mice: dependence on platelets for expression of contact sensitivity.
Geba GP, Ptak W, Anderson GM, Paliwal V, Ratzlaff RE, Levin J, Askenase PW. Delayed-type hypersensitivity in mast cell-deficient mice: dependence on platelets for expression of contact sensitivity. The Journal Of Immunology 1996, 157: 557-65. PMID: 8752902, DOI: 10.4049/jimmunol.157.2.557.Peer-Reviewed Original ResearchConceptsMast cell-deficient miceCell-deficient miceDelayed-type hypersensitivityContact sensitivityPlatelet depletionMast cellsCS responsesT cell-mediated immune responsesMast cell-deficient strainsDelayed-type hypersensitivity responseT cell-mediated responsesCell-mediated immune responsesTissue levelsCutaneous sensitivity responsesVasoactive amine serotoninCell-mediated responsesLocal mast cellsMast cell numbersNormal mast cell numbersHypersensitivity responseCutaneous responseImmunologic evidenceBeige miceImmune responseAmine serotonin
1992
Molecular regulation of tumor necrosis factor-alpha and lymphotoxin production in T cells. Inhibition by prostaglandin E2.
Ferreri NR, Sarr T, Askenase PW, Ruddle NH. Molecular regulation of tumor necrosis factor-alpha and lymphotoxin production in T cells. Inhibition by prostaglandin E2. Journal Of Biological Chemistry 1992, 267: 9443-9449. PMID: 1533632, DOI: 10.1016/s0021-9258(19)50443-4.Peer-Reviewed Original ResearchConceptsTNF-alphaProstaglandin E2T cell clonesT cellsTumor necrosisLymphotoxin productionLT productionMajor histocompatibility complex class IIHistocompatibility complex class IICell clonesPresence of PGE2M prostaglandin E2Dose-dependent mannerPGF2 alphaSoluble concanavalin ALeukotriene C4Murine Th1Inhibited productionClass IIFibrosarcoma cell lineInhibitory effectMurine fibrosarcoma cell lineBiological activityConcanavalin ACell lines
1979
Involvement of host Fc receptors in antibody-mediated cutaneous basophil hypersensitivity reactions.
Graziano F, Askenase P. Involvement of host Fc receptors in antibody-mediated cutaneous basophil hypersensitivity reactions. The Journal Of Immunology 1979, 123: 1645-52. PMID: 90094, DOI: 10.4049/jimmunol.123.4.1645.Peer-Reviewed Original ResearchConceptsPassive cutaneous anaphylaxisCutaneous basophil hypersensitivityFc receptorsT cellsGuinea pig immune serumBinding to Fc receptorsGamma-globulinCutaneous mast cellsCutaneous basophil hypersensitivity reactionPurified Fc fragmentsB cellsFc fragmentSecretion of moleculesCutaneous responseRabbit IgGHypersensitivity reactionsBovine gamma globulinConcurrent inhibitionGuinea pigsMast cellsSerum antibodiesCutaneous anaphylaxisHeterologous gamma globulinImmune serumSerum
1978
A newly described activity of guinea pig IgG1 antibodies: transfer of cutaneous basophil reactions.
Haynes J, Rosenstein R, Askenase P. A newly described activity of guinea pig IgG1 antibodies: transfer of cutaneous basophil reactions. The Journal Of Immunology 1978, 120: 886-94. PMID: 344798, DOI: 10.4049/jimmunol.120.3.886.Peer-Reviewed Original ResearchColonic basophil hypersensitivity.
Askenase P, Boone W, Binder H. Colonic basophil hypersensitivity. The Journal Of Immunology 1978, 120: 198-301. PMID: 627717, DOI: 10.4049/jimmunol.120.1.198.Peer-Reviewed Original ResearchConceptsHypersensitivity reactionsInflammatory responseColon of guinea pigsContact hypersensitivity reactionApplication of DNCBColonic inflammatory responseInfiltration of basophilsInflammatory bowel diseaseImmune inflammatory responseStudy of inflammatory bowel diseaseContact sensitivityIntraluminal applicationBowel diseaseGuinea pigsCroton oilDNCBColon
1977
Studies on the role of the thymus and T cells in the in vivo suppression of delayed hypersensitivity (desensitization): radiosensitivity of the mechanism inducing nonspecific anergy.
Thestrup-Pedersen K, Dwyer J, Askenase P. Studies on the role of the thymus and T cells in the in vivo suppression of delayed hypersensitivity (desensitization): radiosensitivity of the mechanism inducing nonspecific anergy. The Journal Of Immunology 1977, 118: 1665-71. PMID: 300755, DOI: 10.4049/jimmunol.118.5.1665.Peer-Reviewed Original ResearchConceptsT cellsDelayed hypersensitivitySuppression of delayed hypersensitivityDoses of whole-body irradiationNonspecific desensitizationMature T cellsWhole-body irradiationMono-nuclear cellsIn vivo suppressionThymic weightImmunoregulatory mechanismsPeripheral bloodRadiosensitive cellsAssociated with 1AnergySmall dosesDecreased responseGuinea pigsSkin sitesDesensitizationAntigenDesensitized stateConcanavalin AHypersensitivityCellsCuta neous basophil responses in neonatal guinea pigs: active immunization, hapten specific transfer with small amounts of serum, and preferential elicitation with phytohemagglutinin skin testing.
Haynes J, Askenase P. Cuta neous basophil responses in neonatal guinea pigs: active immunization, hapten specific transfer with small amounts of serum, and preferential elicitation with phytohemagglutinin skin testing. The Journal Of Immunology 1977, 118: 1063-9. PMID: 845431, DOI: 10.4049/jimmunol.118.3.1063.Peer-Reviewed Original ResearchConceptsNeonatal guinea pigsIncomplete Freund's adjuvantMononuclear cellsCutaneous basophil hypersensitivityGuinea pigsBasophil responsePPD reactionSkin testFreund's adjuvantDelayed skin test responsesDelayed hypersensitivity skin responseHapten-specific mannerNonimmune guinea pigsDelayed-type reactionsSkin test responsesInfiltration of eosinophilsAdult guinea pigsCutaneous basophil responseIntravenous transferCutaneous basophil hypersensitivity reactionNeonatal responsesAdult donorsCutaneous reactionsNeonatesHapten-carrier conjugates
1976
Cutaneous basophil hypersensitivity uncovered in the cell transfer of classical tuberculin hypersensitivity.
Askenase P. Cutaneous basophil hypersensitivity uncovered in the cell transfer of classical tuberculin hypersensitivity. The Journal Of Immunology 1976, 117: 741-7. PMID: 1085308, DOI: 10.4049/jimmunol.117.3.741.Peer-Reviewed Original ResearchConceptsCell transferIncomplete Freund's adjuvantSkin reactionsCutaneous basophil hypersensitivityGuinea pigsRecipients of cellsNylon wool columnsCell transfer recipientsDelayed skin reactionsT cellsSkin testBasophil responseFreund's adjuvantCellular transferTuberculin hypersensitivitySensitization of recipientsWool columnsBasophil infiltrationHumoral factorsBasophil numbersPassive transferHypersensitivityRecipientsBasophilsDelayed reactionsAntibody-mediated basophil accumulations in cutaneous hypersensitivity reactions of guinea pigs.
Askenase P, Haynes J, Hayden B. Antibody-mediated basophil accumulations in cutaneous hypersensitivity reactions of guinea pigs. The Journal Of Immunology 1976, 117: 216-24. PMID: 932424, DOI: 10.4049/jimmunol.117.1.216.Peer-Reviewed Original ResearchConceptsCutaneous basophil hypersensitivityCutaneous hypersensitivity reactionsGuinea pigsDelayed hypersensitivityBasophil accumulationProduction of B lymphocytesCutaneous basophil hypersensitivity reactionT lymphocytesKeyhole limpet hemocyanin (KLHB lymphocytesIntradermal injectionDonors 1 weekHypersensitive responseHypersensitivity reactionsPigsSerum antibodiesAntibody production of B lymphocytesHypersensitivityBasophil reactionsImmune serumAntibody productionSerum