2024
Single-Cell Transcriptomic Analyses of Brain Parenchyma in Patients With New-Onset Refractory Status Epilepticus (NORSE)
Hanin A, Zhang L, Huttner A, Plu I, Mathon B, Bielle F, Navarro V, Hirsch L, Hafler D. Single-Cell Transcriptomic Analyses of Brain Parenchyma in Patients With New-Onset Refractory Status Epilepticus (NORSE). Neurology Neuroimmunology & Neuroinflammation 2024, 11: e200259. PMID: 38810181, PMCID: PMC11139018, DOI: 10.1212/nxi.0000000000200259.Peer-Reviewed Original ResearchConceptsNew-onset refractory status epilepticusTemporal lobe epilepsyGABAergic neuronsExcitatory neuronsInfiltrating macrophagesProportion of GABAergic neuronsChronic temporal lobe epilepsyRefractory status epilepticusInhibitory GABAergic neuronsSingle-cell transcriptome analysisDecreased expression of genesDegree of demyelinationImmune disturbancesNeuronal excitabilityImmune dysregulationNew-onsetStatus epilepticusPoor outcomeRefractory epilepsyHealthy childrenMicroglial reactivitySingle-nucleus RNA sequencingNLRP3 inflammasome activationInflammatory responseLobe epilepsy
2021
Single cell immunophenotyping of the skin lesion erythema migrans Identifies IgM memory B cells
Jiang R, Meng H, Raddassi K, Fleming I, Hoehn KB, Dardick KR, Belperron AA, Montgomery RR, Shalek AK, Hafler DA, Kleinstein SH, Bockenstedt LK. Single cell immunophenotyping of the skin lesion erythema migrans Identifies IgM memory B cells. JCI Insight 2021, 6: e148035. PMID: 34061047, PMCID: PMC8262471, DOI: 10.1172/jci.insight.148035.Peer-Reviewed Original ResearchConceptsMemory B cellsErythema migransB cellsEM lesionsIgM memory B cellsLyme diseaseB-cell receptor sequencingSkin infection siteCell receptor sequencingEarly Lyme diseaseLocal antigen presentationSkin immune responsesB cell populationsSingle-cell immunophenotypingMHC class II genesUninvolved skinImmune cellsSpirochetal infectionAntigen presentationCell immunophenotypingT cellsImmune responseIsotype usageAntibody productionInitial signsOleic acid restores suppressive defects in tissue-resident FOXP3 regulatory T cells from patients with multiple sclerosis
Pompura SL, Wagner A, Kitz A, Laperche J, Yosef N, Dominguez-Villar M, Hafler D. Oleic acid restores suppressive defects in tissue-resident FOXP3 regulatory T cells from patients with multiple sclerosis. Journal Of Clinical Investigation 2021, 131 PMID: 33170805, PMCID: PMC7810477, DOI: 10.1172/jci138519.Peer-Reviewed Original ResearchConceptsMultiple sclerosisAdipose tissueFoxp3 regulatory T cellsExpression of Foxp3Regulatory T cellsTreg suppressive functionProinflammatory arachidonic acidHuman adipose tissuePhosphorylation of STAT5Treg homeostasisFatty acidsPeripheral bloodTissue residencyHealthy donorsInflammatory signalsT cellsTregsFree fatty acidsSuppressive functionArachidonic acidPatientsOleic acidOxidative phosphorylationTranscriptomic programsFoxp3
2020
Differential expression of the T-cell inhibitor TIGIT in glioblastoma and MS
Lucca LE, Lerner BA, Park C, DeBartolo D, Harnett B, Kumar VP, Ponath G, Raddassi K, Huttner A, Hafler DA, Pitt D. Differential expression of the T-cell inhibitor TIGIT in glioblastoma and MS. Neurology Neuroimmunology & Neuroinflammation 2020, 7: e712. PMID: 32269065, PMCID: PMC7188477, DOI: 10.1212/nxi.0000000000000712.Peer-Reviewed Original ResearchConceptsTumor-infiltrating T cellsT cellsPD-1/PD-L1Anti-TIGIT therapyExpression of CD226Expression of TIGITPostmortem CNS tissueLymphocytes of patientsFresh surgical resectionsLigand CD155TIGIT expressionSurgical resectionPD-1PD-L1CNS diseaseHealthy controlsHealthy donorsLymphocytic expressionImmune responseCNS tissueMS lesionsTIGITImmune pathwaysPatientsGlioblastoma multiforme
2019
Autoantibodies against Neurologic Antigens in Nonneurologic Autoimmunity
Stathopoulos P, Chastre A, Waters P, Irani S, Fichtner ML, Benotti ES, Guthridge JM, Seifert J, Nowak RJ, Buckner JH, Holers VM, James JA, Hafler DA, O’Connor K. Autoantibodies against Neurologic Antigens in Nonneurologic Autoimmunity. The Journal Of Immunology 2019, 202: ji1801295. PMID: 30824481, PMCID: PMC6452031, DOI: 10.4049/jimmunol.1801295.Peer-Reviewed Original ResearchConceptsSystemic lupus erythematosusRheumatoid arthritisControl cohortNeuromyelitis optica spectrum disorderSurface AgOptica spectrum disorderMyelin oligodendrocyte glycoproteinHealthy donor seraType 1 diabetesB cell toleranceNeurologic autoimmunitySLE patientsLupus erythematosusSuch autoantibodiesT1D patientsAutoimmune diseasesHigh titer AbsOligodendrocyte glycoproteinSystemic autoimmunityDonor seraLarge cohortRare caseAutoantibodiesAquaporin-4Cell toleranceLatent autoimmunity across disease-specific boundaries in at-risk first-degree relatives of SLE and RA patients
James JA, Chen H, Young KA, Bemis EA, Seifert J, Bourn RL, Deane KD, Demoruelle MK, Feser M, O'Dell JR, Weisman MH, Keating RM, Gaffney PM, Kelly JA, Langefeld CD, Harley JB, Robinson W, Hafler DA, O'Connor KC, Buckner J, Guthridge JM, Norris JM, Holers VM. Latent autoimmunity across disease-specific boundaries in at-risk first-degree relatives of SLE and RA patients. EBioMedicine 2019, 42: 76-85. PMID: 30952617, PMCID: PMC6491794, DOI: 10.1016/j.ebiom.2019.03.063.Peer-Reviewed Original ResearchConceptsSystemic lupus erythematosusFirst-degree relativesGenetic risk scoreRA patientsRheumatoid arthritisSLE patientsT1D patientsAutoantibody-positive systemic lupus erythematosusRisk first-degree relativesOrgan-specific autoimmune diseasesType 1 diabetes patientsAutoimmune disease preventionAnti-tissue transglutaminaseDisease-associated autoantibodiesDisease prevention studiesUnaffected first-degree relativesCross-sectional studyLatent autoimmunityLupus erythematosusAutoimmune diseasesDiabetes patientsPrevention StudyRisk scoreAutoimmunityPreclinical period
2018
Fingolimod modulates T cell phenotype and regulatory T cell plasticity in vivo
Dominguez-Villar M, Raddassi K, Danielsen AC, Guarnaccia J, Hafler DA. Fingolimod modulates T cell phenotype and regulatory T cell plasticity in vivo. Journal Of Autoimmunity 2018, 96: 40-49. PMID: 30122421, PMCID: PMC7882197, DOI: 10.1016/j.jaut.2018.08.002.Peer-Reviewed Original ResearchConceptsT cellsMultiple sclerosisT cell effector phenotypeRelapsing-remitting multiple sclerosisRegulatory T cell populationTh1-like phenotypeRegulatory T cellsPro-inflammatory cytokinesT-cell phenotypeT cell populationsExpression of Th1Immune cell functionRegulatory T cell plasticityT cell plasticityCentral nervous systemExpression of markersCell migratory capacityImportant immunomodulatory functionsExcessive Th1Fingolimod treatmentExhaustion markersTh17 cytokinesEffector phenotypeLymph nodesSerum levels
2015
Genetic variants associated with autoimmunity drive NFκB signaling and responses to inflammatory stimuli
Housley WJ, Fernandez SD, Vera K, Murikinati SR, Grutzendler J, Cuerdon N, Glick L, De Jager PL, Mitrovic M, Cotsapas C, Hafler DA. Genetic variants associated with autoimmunity drive NFκB signaling and responses to inflammatory stimuli. Science Translational Medicine 2015, 7: 291ra93. PMID: 26062845, PMCID: PMC4574294, DOI: 10.1126/scitranslmed.aaa9223.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAllelesAutoimmunityCase-Control StudiesCD4-Positive T-LymphocytesCell NucleusCytokinesFemaleGenetic Predisposition to DiseaseHumansInflammationMaleMiddle AgedMultiple SclerosisNF-kappa BPolymorphism, Single NucleotideProtein TransportReceptors, Tumor Necrosis Factor, Type IRisk FactorsSex CharacteristicsSignal TransductionTime FactorsTumor Necrosis Factor-alphaConceptsB-cell leukemia 3Multiple sclerosisNegative regulatorInflammatory stimuliGenetic variantsWide association studyDisease susceptibility variantsNaïve CD4 T cellsRapid genetic screeningCD4 T cellsActivation of p65Transcription factor nuclear factor κBExpression of NFκBNuclear factor κBApoptosis 1Cellular inhibitorGG risk genotypeDegradation of inhibitorCentral regulatorAssociation studiesCytokine blockadeUlcerative colitisAutoimmune diseasesTumor necrosisSusceptibility variantsFunctional inflammatory profiles distinguish myelin-reactive T cells from patients with multiple sclerosis
Cao Y, Goods BA, Raddassi K, Nepom GT, Kwok WW, Love JC, Hafler DA. Functional inflammatory profiles distinguish myelin-reactive T cells from patients with multiple sclerosis. Science Translational Medicine 2015, 7: 287ra74. PMID: 25972006, PMCID: PMC4497538, DOI: 10.1126/scitranslmed.aaa8038.Peer-Reviewed Original ResearchConceptsMyelin-reactive T cellsMultiple sclerosisT cellsHealthy controlsT cell librariesT helper cell 17Antigen-specific T cellsGene signatureMore IL-10More proinflammatory cytokinesAutoreactive T cellsIL-10 productionHuman autoimmune diseasesGranulocyte-macrophage colony-stimulating factorProduction of interferonColony-stimulating factorMyelin antigensTh17 cellsIL-10Inflammatory profileInterleukin-17Proinflammatory cytokinesAutoimmune diseasesDisease progressionHealthy subjects
2014
Systems Immunology Reveals Markers of Susceptibility to West Nile Virus Infection
Qian F, Goel G, Meng H, Wang X, You F, Devine L, Raddassi K, Garcia MN, Murray KO, Bolen CR, Gaujoux R, Shen-Orr SS, Hafler D, Fikrig E, Xavier R, Kleinstein SH, Montgomery RR. Systems Immunology Reveals Markers of Susceptibility to West Nile Virus Infection. MSphere 2014, 22: 6-16. PMID: 25355795, PMCID: PMC4278927, DOI: 10.1128/cvi.00508-14.Peer-Reviewed Original ResearchConceptsWest Nile virus infectionVirus infectionMyeloid dendritic cellsMarker of susceptibilityPotential therapeutic strategySeverity of infectionSevere neurological diseaseOlder patientsAcute infectionDendritic cellsCXCL10 expressionDetectable yearsImmunity-related genesStratified cohortWNV infectionTherapeutic strategiesPathogenic mechanismsAnimal studiesNeurological diseasesDisease severityVivo infectionPredictive signatureInfectionProminent alterationsPrimary cellsB cells populating the multiple sclerosis brain mature in the draining cervical lymph nodes
Stern JN, Yaari G, Vander Heiden JA, Church G, Donahue WF, Hintzen RQ, Huttner AJ, Laman JD, Nagra RM, Nylander A, Pitt D, Ramanan S, Siddiqui BA, Vigneault F, Kleinstein SH, Hafler DA, O'Connor KC. B cells populating the multiple sclerosis brain mature in the draining cervical lymph nodes. Science Translational Medicine 2014, 6: 248ra107. PMID: 25100741, PMCID: PMC4388137, DOI: 10.1126/scitranslmed.3008879.Peer-Reviewed Original ResearchConceptsCervical lymph nodesCentral nervous systemB cellsCerebrospinal fluidLymph nodesMultiple sclerosisLymphoid tissueCNS of patientsCNS B cellsAntigen-experienced B cellsMultiple sclerosis brainSecondary lymphoid tissuesB cell compartmentB cell trafficB cell maturationImmunomodulatory therapyImmune infiltratesPeripheral bloodInflammatory diseasesLymphocyte transmigrationPeripheral tissuesNervous systemMembers of clonesCell maturationCell trafficDecreased RORC-dependent silencing of prostaglandin receptor EP2 induces autoimmune Th17 cells
Kofler DM, Marson A, Dominguez-Villar M, Xiao S, Kuchroo VK, Hafler DA. Decreased RORC-dependent silencing of prostaglandin receptor EP2 induces autoimmune Th17 cells. Journal Of Clinical Investigation 2014, 124: 2513-2522. PMID: 24812667, PMCID: PMC4089462, DOI: 10.1172/jci72973.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnimalsAutoimmunityCase-Control StudiesDinoprostoneDown-RegulationFemaleGene Knockdown TechniquesGene SilencingHumansMaleMiceMice, Inbred C57BLMice, KnockoutMiddle AgedModels, ImmunologicalMultiple SclerosisNuclear Receptor Subfamily 1, Group F, Member 3PhenotypePromoter Regions, GeneticReceptors, Prostaglandin E, EP2 SubtypeSignal TransductionTh17 CellsConceptsTh17 cell phenotypeProstaglandin receptor EP2Receptor EP2Healthy individualsOverexpression of EP2Transcription factor RORCT cell subsetsEffects of PGE2Cell phenotypeExpression of IFNInflammatory gene transcriptionPGE2-dependent pathwayTh17 cellsWT miceAutoimmune diseasesCell subsetsHealthy subjectsEP2 expressionGM-CSFEP2RORCCD4Cell typesCellsGene transcriptionCommon Genetic Variants Modulate Pathogen-Sensing Responses in Human Dendritic Cells
Lee MN, Ye C, Villani AC, Raj T, Li W, Eisenhaure TM, Imboywa SH, Chipendo PI, Ran FA, Slowikowski K, Ward LD, Raddassi K, McCabe C, Lee MH, Frohlich IY, Hafler DA, Kellis M, Raychaudhuri S, Zhang F, Stranger BE, Benoist CO, De Jager PL, Regev A, Hacohen N. Common Genetic Variants Modulate Pathogen-Sensing Responses in Human Dendritic Cells. Science 2014, 343: 1246980. PMID: 24604203, PMCID: PMC4124741, DOI: 10.1126/science.1246980.Peer-Reviewed Original ResearchMeSH KeywordsAdultAutoimmune DiseasesCommunicable DiseasesDendritic CellsEscherichia coliFemaleGene-Environment InteractionGenetic LociGenome-Wide Association StudyHEK293 CellsHost-Pathogen InteractionsHumansInfluenza A virusInterferon Regulatory Factor-7Interferon-betaLipopolysaccharidesMaleMiddle AgedPolymorphism, Single NucleotideQuantitative Trait LociSTAT Transcription FactorsTranscriptomeYoung AdultConceptsGenetic variationPathogen-responsive genesHuman genetic variationGenetic variantsIRF transcription factorsCommon genetic variantsType I IFN inductionFunctional annotationExpression responsesTranscription factorsI IFN inductionCausal variantsPathogen sensingEnvironmental stimuliComplex diseasesCommon variantsCommon allelesIFN inductionComputational approachVariantsCellsInductionGenesInterindividual variationSTAT
2013
Microbial Reprogramming Inhibits Western Diet-Associated Obesity
Poutahidis T, Kleinewietfeld M, Smillie C, Levkovich T, Perrotta A, Bhela S, Varian BJ, Ibrahim YM, Lakritz JR, Kearney SM, Chatzigiagkos A, Hafler DA, Alm EJ, Erdman SE. Microbial Reprogramming Inhibits Western Diet-Associated Obesity. PLOS ONE 2013, 8: e68596. PMID: 23874682, PMCID: PMC3707834, DOI: 10.1371/journal.pone.0068596.Peer-Reviewed Original ResearchConceptsAge-associated weight gainWeight gainT cellsFast foodAd libitum caloric intakeActive immune toleranceImmune cell profilesRegulatory T cellsT cell balanceRecent epidemiological studiesLikelihood of obesityNaïve recipient animalsGut microbial ecologyT helperImmune toleranceBaseline dietWeight managementCaloric intakePopulation-based approachMouse modelCell balanceEpidemiological studiesRecipient animalsAnimal modelsAbdominal fatSerum autoantibodies to myelin peptides distinguish acute disseminated encephalomyelitis from relapsing– remitting multiple sclerosis
Van Haren K, Tomooka BH, Kidd BA, Banwell B, Bar-Or A, Chitnis T, Tenembaum SN, Pohl D, Rostasy K, Dale RC, O’Connor K, Hafler DA, Steinman L, Robinson WH. Serum autoantibodies to myelin peptides distinguish acute disseminated encephalomyelitis from relapsing– remitting multiple sclerosis. Multiple Sclerosis Journal 2013, 19: 1726-1733. PMID: 23612879, PMCID: PMC4411183, DOI: 10.1177/1352458513485653.Peer-Reviewed Original ResearchConceptsAcute disseminated encephalomyelitisMyelin basic proteinDisseminated encephalomyelitisMyelin peptidesMultiple sclerosisIgM autoantibodiesIsotype-specific secondary antibodiesPediatric acute disseminated encephalomyelitisRelapsing-remitting multiple sclerosisPediatric multiple sclerosisProteolipid proteinMicroarrays softwareBasic proteinMyelin antigensLaboratory featuresPeptide autoantibodiesMS seraSerum autoantibodiesIgG autoantibodiesAutoantibody biomarkersSerum IgGOligodendrocyte-specific proteinAutoantibody reactivityAdult MSAutoantibodies
2011
Genome‐wide meta‐analysis identifies novel multiple sclerosis susceptibility loci
Patsopoulos NA, Esposito F, Reischl J, Lehr S, Bauer D, Heubach J, Sandbrink R, Pohl C, Edan G, Kappos L, Miller D, Montalbán J, Polman C, Freedman M, Hartung H, Arnason B, Comi G, Cook S, Filippi M, Goodin D, Jeffery D, O'Connor P, Ebers G, Langdon D, Reder A, Traboulsee A, Zipp F, Schimrigk S, Hillert J, Bahlo M, Booth D, Broadley S, Brown M, Browning B, Browning S, Butzkueven H, Carroll W, Chapman C, Foote S, Griffiths L, Kermode A, Kilpatrick T, Lechner-Scott J, Marriott M, Mason D, Moscato P, Heard R, Pender M, Perreau V, Perera D, Rubio J, Scott R, Slee M, Stankovich J, Stewart G, Taylor B, Tubridy N, Willoughby E, Wiley J, Matthews P, Boneschi F, Compston A, Haines J, Hauser S, McCauley J, Ivinson A, Oksenberg J, Pericak-Vance M, Sawcer S, De Jager P, Hafler D, de Bakker P. Genome‐wide meta‐analysis identifies novel multiple sclerosis susceptibility loci. Annals Of Neurology 2011, 70: 897-912. PMID: 22190364, PMCID: PMC3247076, DOI: 10.1002/ana.22609.Peer-Reviewed Original ResearchConceptsGenome-wide association studiesSingle nucleotide polymorphismsSusceptibility lociHapMap Phase IIUnique single nucleotide polymorphismsGene discovery effortsNew susceptibility lociStrongest cis effectsMS genome-wide association studiesQuantitative trait analysisFlanking genesGenetic architectureRNA expression dataMultiple sclerosis susceptibility lociIntergenic regionSecond intronNew lociNovel susceptibility allelesAdditional lociTrait analysisAssociation studiesExpression dataChromosome 2p21LociFunctional consequencesIncreased Frequencies of Myelin Oligodendrocyte Glycoprotein/MHC Class II-Binding CD4 Cells in Patients with Multiple Sclerosis
Raddassi K, Kent SC, Yang J, Bourcier K, Bradshaw EM, Seyfert-Margolis V, Nepom GT, Kwok WW, Hafler DA. Increased Frequencies of Myelin Oligodendrocyte Glycoprotein/MHC Class II-Binding CD4 Cells in Patients with Multiple Sclerosis. The Journal Of Immunology 2011, 187: 1039-1046. PMID: 21653833, PMCID: PMC3131477, DOI: 10.4049/jimmunol.1001543.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAmino Acid SubstitutionCD4 Lymphocyte CountCD4-Positive T-LymphocytesCell CommunicationCell Line, TransformedCells, CulturedEpitopes, T-LymphocyteFemaleGene FrequencyHLA-DR AntigensHLA-DRB1 ChainsHumansImmunophenotypingMaleMiddle AgedMultiple SclerosisMyelin-Associated GlycoproteinMyelin-Oligodendrocyte GlycoproteinPeptide FragmentsProtein BindingProtein MultimerizationConceptsMyelin-reactive T cellsMultiple sclerosisT cell clonesT cellsHealthy controlsMOG-reactive T cellsAutoantigen-specific T cellsCell clonesStimulation of PMBCsClass II tetramersPathogenic immune cellsReactive T cellsSpecific T cellsMyelin oligodendrocyte glycoproteinHLA class IIBlood of subjectsT-cell cloning techniqueMOG peptidesShort-term cultureCD4 cellsMS subjectsAutoimmune diseasesPeripheral bloodControl subjectsOligodendrocyte glycoproteinCD2 Costimulation Reveals Defective Activity by Human CD4+CD25hi Regulatory Cells in Patients with Multiple Sclerosis
Baecher-Allan CM, Costantino CM, Cvetanovich GL, Ashley CW, Beriou G, Dominguez-Villar M, Hafler DA. CD2 Costimulation Reveals Defective Activity by Human CD4+CD25hi Regulatory Cells in Patients with Multiple Sclerosis. The Journal Of Immunology 2011, 186: 3317-3326. PMID: 21300823, PMCID: PMC4467560, DOI: 10.4049/jimmunol.1002502.Peer-Reviewed Original ResearchMeSH KeywordsAdultCD2 AntigensCD4 AntigensCell DifferentiationCells, CulturedCoculture TechniquesFetal BloodForkhead Transcription FactorsHumansInfant, NewbornInterleukin-2 Receptor alpha SubunitInterleukin-7 Receptor alpha SubunitLymphocyte ActivationMiddle AgedMultiple SclerosisSignal TransductionT-Lymphocyte SubsetsT-Lymphocytes, RegulatoryYoung AdultConceptsMultiple sclerosisIL-17Suppressive capacityDR cellsRegulatory T cell populationEffector T cellsExpression of CD127T cell populationsMechanism of actionTreg populationRegulatory cellsIL-10Effector cellsHLA-DREffector subsetsHuman TregsCD2 costimulationMemory TregsT cellsTregsAdult bloodLow expressionSclerosisPatientsCD127
2010
Population structure and HLA DRB1*1501 in the response of subjects with multiple sclerosis to first-line treatments
Gross R, Healy BC, Cepok S, Chitnis T, Khoury SJ, Hemmer B, Weiner HL, Hafler DA, De Jager PL. Population structure and HLA DRB1*1501 in the response of subjects with multiple sclerosis to first-line treatments. Journal Of Neuroimmunology 2010, 233: 168-174. PMID: 21115201, DOI: 10.1016/j.jneuroim.2010.10.038.Peer-Reviewed Original ResearchA Randomized Controlled Double-Masked Trial of Albuterol Add-on Therapy in Patients With Multiple Sclerosis
Khoury SJ, Healy BC, Kivisäkk P, Viglietta V, Egorova S, Guttmann CR, Wedgwood JF, Hafler DA, Weiner HL, Buckle G, Cook S, Reddy S. A Randomized Controlled Double-Masked Trial of Albuterol Add-on Therapy in Patients With Multiple Sclerosis. JAMA Neurology 2010, 67: 1055-1061. PMID: 20837847, PMCID: PMC2954052, DOI: 10.1001/archneurol.2010.222.Peer-Reviewed Original ResearchMeSH KeywordsAdjuvants, ImmunologicAdrenergic beta-AgonistsAdultAlbuterolDouble-Blind MethodDrug Administration ScheduleDrug Therapy, CombinationFemaleGlatiramer AcetateHumansInterferon-gammaInterleukin-13Logistic ModelsMaleMiddle AgedMultiple Sclerosis, Relapsing-RemittingOdds RatioPeptidesPilot ProjectsTreatment OutcomeConceptsMultiple Sclerosis Functional CompositeRelapsing-remitting multiple sclerosisGlatiramer acetateMultiple sclerosisClinical trialsAlbuterol groupTime pointsOral doseIL-13Subcutaneous injectionHelper T-cell subtypes 1Double-masked clinical trialGlatiramer acetate treatmentImmunologic end pointsMasked clinical trialEffects of albuterolIL-12 expressionIL-13 productionStudy time pointsΒ2-adrenergic agonistAlbuterol treatmentAcetate therapyAdverse eventsFirst relapseImmunologic effects