2024
Integrated longitudinal multiomics study identifies immune programs associated with acute COVID-19 severity and mortality
Gygi J, Maguire C, Patel R, Shinde P, Konstorum A, Shannon C, Xu L, Hoch A, Jayavelu N, Haddad E, Network I, Reed E, Kraft M, McComsey G, Metcalf J, Ozonoff A, Esserman D, Cairns C, Rouphael N, Bosinger S, Kim-Schulze S, Krammer F, Rosen L, van Bakel H, Wilson M, Eckalbar W, Maecker H, Langelier C, Steen H, Altman M, Montgomery R, Levy O, Melamed E, Pulendran B, Diray-Arce J, Smolen K, Fragiadakis G, Becker P, Sekaly R, Ehrlich L, Fourati S, Peters B, Kleinstein S, Guan L. Integrated longitudinal multiomics study identifies immune programs associated with acute COVID-19 severity and mortality. Journal Of Clinical Investigation 2024, 134: e176640. PMID: 38690733, PMCID: PMC11060740, DOI: 10.1172/jci176640.Peer-Reviewed Original ResearchConceptsClinical outcomesImmune cascadeElevated levels of inflammatory cytokinesDisease severityLevels of inflammatory cytokinesFormation of neutrophil extracellular trapsAcute COVID-19 severityCritically ill patientsNeutrophil extracellular trapsDevelopment of therapiesCOVID-19 cohortCOVID-19 severityViral clearanceImmunosuppressive metabolitesDeep immunophenotypingMultiomic modelIFN-stimulated genesImmunophenotypic assessmentB cellsDisease courseEarly upregulationInflammatory cytokinesDisease progressionIFN inhibitorsExtracellular traps“Deficiency in ELF4, X-Linked”: a Monogenic Disease Entity Resembling Behçet’s Syndrome and Inflammatory Bowel Disease
Olyha S, O’Connor S, Kribis M, Bucklin M, Uthaya Kumar D, Tyler P, Alam F, Jones K, Sheikha H, Konnikova L, Lakhani S, Montgomery R, Catanzaro J, Du H, DiGiacomo D, Rothermel H, Moran C, Fiedler K, Warner N, Hoppenreijs E, van der Made C, Hoischen A, Olbrich P, Neth O, Rodríguez-Martínez A, Lucena Soto J, van Rossum A, Dalm V, Muise A, Lucas C. “Deficiency in ELF4, X-Linked”: a Monogenic Disease Entity Resembling Behçet’s Syndrome and Inflammatory Bowel Disease. Journal Of Clinical Immunology 2024, 44: 44. PMID: 38231408, PMCID: PMC10929603, DOI: 10.1007/s10875-023-01610-8.Peer-Reviewed Original ResearchConceptsDEX patientsClass-switched memory B cellsInborn errors of immunityTreated with anti-inflammatory agentsLow natural killerX-linkedMemory B cellsErrors of immunityCohort of patientsIncreased inflammatory cytokinesLoss-of-function variantsHeterogeneous clinical phenotypesInflammatory bowel diseaseTargeted therapeutic interventionsNatural killerAnti-inflammatory agentsAphthous ulcersTherapeutic responseAutoinflammatory syndromeInflammatory markersClinical manifestationsB cellsBehcet's syndromeGastrointestinal symptomsMechanisms of disease
2023
Prior cycles of anti-CD20 antibodies affect antibody responses after repeated SARS-CoV-2 mRNA vaccination
Asashima H, Kim D, Wang K, Lele N, Buitrago-Pocasangre N, Lutz R, Cruz I, Raddassi K, Ruff W, Racke M, Wilson J, Givens T, Grifoni A, Weiskopf D, Sette A, Kleinstein S, Montgomery R, Shaw A, Li F, Fan R, Hafler D, Tomayko M, Longbrake E. Prior cycles of anti-CD20 antibodies affect antibody responses after repeated SARS-CoV-2 mRNA vaccination. JCI Insight 2023, 8: e168102. PMID: 37606046, PMCID: PMC10543713, DOI: 10.1172/jci.insight.168102.Peer-Reviewed Original ResearchConceptsSARS-CoV-2 mRNA vaccinationB-cell-depleted patientsB-cell depletionAntibody responseMRNA vaccinationThird doseCell depletionT cellsClaude D. Pepper Older Americans Independence CenterB cellsNational Multiple Sclerosis SocietyAnti-CD20 antibodySpike-specific antibodiesMultiple Sclerosis SocietyLow cumulative exposureLogistic regression modelsImportant clinical needCD20 therapyCD20 treatmentMost patientsThird vaccineSerologic responseVaccine dosesMRNA vaccinesVaccination strategiesPD-1highCXCR5–CD4+ peripheral helper T cells promote CXCR3+ plasmablasts in human acute viral infection
Asashima H, Mohanty S, Comi M, Ruff W, Hoehn K, Wong P, Klein J, Lucas C, Cohen I, Coffey S, Lele N, Greta L, Raddassi K, Chaudhary O, Unterman A, Emu B, Kleinstein S, Montgomery R, Iwasaki A, Dela Cruz C, Kaminski N, Shaw A, Hafler D, Sumida T. PD-1highCXCR5–CD4+ peripheral helper T cells promote CXCR3+ plasmablasts in human acute viral infection. Cell Reports 2023, 42: 111895. PMID: 36596303, PMCID: PMC9806868, DOI: 10.1016/j.celrep.2022.111895.Peer-Reviewed Original ResearchConceptsAcute viral infectionTph cellsViral infectionCXCR3 expressionClinical outcomesHelper TSevere viral infectionsB cell helpBetter clinical outcomesProtective humoral immunityT cell-B cell interactionsKey immune responsesPlasmablast expansionB cell differentiationCell subsetsHumoral immunityCell helpImmune responseInterferon γPlasmablast differentiationB cellsPlasmablastsCell responsesInfectionCD4
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 signs
2019
Impaired ATM activation in B cells is associated with bone resorption in rheumatoid arthritis
Mensah KA, Chen JW, Schickel JN, Isnardi I, Yamakawa N, Vega-Loza A, Anolik JH, Gatti RA, Gelfand EW, Montgomery RR, Horowitz MC, Craft JE, Meffre E. Impaired ATM activation in B cells is associated with bone resorption in rheumatoid arthritis. Science Translational Medicine 2019, 11 PMID: 31748230, PMCID: PMC7167286, DOI: 10.1126/scitranslmed.aaw4626.Peer-Reviewed Original ResearchConceptsRheumatoid arthritisB cellsHealthy donor controlsGroup of patientsHumanized mouse modelImmature B cellsGene segment usageErosive diseaseRA pathophysiologyBone erosionBone lossBone resorptionHigh prevalenceRANKL productionBone densityMouse modelReceptor activatorBone marrowPatientsDonor controlsCD21Segment usageArthritisElevated frequencyAtaxia telangiectasia
2015
Neutralizing antibodies against West Nile virus identified directly from human B cells by single-cell analysis and next generation sequencing
Tsioris K, Gupta NT, Ogunniyi AO, Zimnisky RM, Qian F, Yao Y, Wang X, Stern JN, Chari R, Briggs AW, Clouser CR, Vigneault F, Church GM, Garcia MN, Murray KO, Montgomery RR, Kleinstein SH, Love JC. Neutralizing antibodies against West Nile virus identified directly from human B cells by single-cell analysis and next generation sequencing. Integrative Biology 2015, 7: 1587-1597. PMID: 26481611, PMCID: PMC4754972, DOI: 10.1039/c5ib00169b.Peer-Reviewed Original ResearchConceptsHumoral responseNext-generation sequencingB cellsWest Nile virus infectionSevere neurological illnessMemory B cellsAntibody-secreting cellsCohort of subjectsWNV-specific antibodiesHuman B cellsMosquito-borne diseaseWest Nile virusAnamnestic responseAntibody responseAvailable treatmentsClinical severityAntibody isotypesNeurological illnessVaccine studiesVirus infectionGeneration sequencingInfectious diseasesPrevious exposureTherapeutic antibodiesAntibodies
2000
Functional Competence of Peritoneal Macrophages in Murine Lyme Borreliosis
Montgomery R, Palmarozza R, Beck D, Ngo E, Joiner K, Malawista S. Functional Competence of Peritoneal Macrophages in Murine Lyme Borreliosis. Inflammation 2000, 24: 277-288. DOI: 10.1023/a:1007017630980.Peer-Reviewed Original ResearchPeritoneal macrophagesB-cell activation markersCell activation markersMurine Lyme borreliosisProportion of lymphocytesSensitive functional measuresAcridine orange vital stainingState of activationActivation markersInfected miceLavage fluidConfocal microscopyChronic diseasesT cellsImmune clearanceSuch micePeritoneal cavityPhagocyte functionUninfected controlsMacrophage functionB cellsToxoplasma gondiiInfected animalsLyme borreliosisFunctional measures