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
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
Role of Gamma/Delta T Cells as Positive Regulators of Alpha/Beta TCR+ Effector T Cells in Allergic Contact Sensitivity
Askenase PW, Ptak W. Role of Gamma/Delta T Cells as Positive Regulators of Alpha/Beta TCR+ Effector T Cells in Allergic Contact Sensitivity. International Archives Of Allergy And Immunology 1992, 99: 246-251. PMID: 34167199, DOI: 10.1159/000236258.Peer-Reviewed Original ResearchCutaneous contact sensitivityEffector T cellsCS-effector T cellsT cell receptorΓδ T cellsT cellsCS responsesContact sensitivityGamma/delta T cellsCell transferCS effector cellsDelta T cellsMinor histocompatibility antigensAdoptive cell transferΑβ T cellsAllergic contact sensitivityTCR mAbEffector cellsΓδ TΑβ TAlpha/betaRabbit complementHistocompatibility antigensVitro treatmentCell receptor
1978
Colonic 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