2021
Bronchoalveolar Lavage Fluid Reflects a TH1-CD21low B-Cell Interaction in CVID-Related Interstitial Lung Disease
Friedmann D, Unger S, Keller B, Rakhmanov M, Goldacker S, Zissel G, Frye B, Schupp J, Prasse A, Warnatz K. Bronchoalveolar Lavage Fluid Reflects a TH1-CD21low B-Cell Interaction in CVID-Related Interstitial Lung Disease. Frontiers In Immunology 2021, 11: 616832. PMID: 33613543, PMCID: PMC7892466, DOI: 10.3389/fimmu.2020.616832.Peer-Reviewed Original ResearchConceptsInterstitial lung diseaseCommon variable immunodeficiencyBAL fluidB cellsLung diseaseT cellsImmune dysregulationBronchoalveolar lavageHealthy donorsClass-switched memory B cellsLymphocytic interstitial lung diseaseProgressive interstitial lung diseaseLevels of BAFFLike cell subsetSystemic immune dysregulationRegulatory T cellsVideo-assisted thoracoscopyBronchoalveolar lavage fluidT cell populationsPotential immune mechanismsLevels of APRILMemory B cellsB cell interactionsFlow cytometric profilingPotential treatment target
2015
Immune response to Propionibacterium acnes in patients with sarcoidosis – in vivo and in vitro
Schupp J, Tchaptchet S, Lützen N, Engelhard P, Müller-Quernheim J, Freudenberg M, Prasse A. Immune response to Propionibacterium acnes in patients with sarcoidosis – in vivo and in vitro. BMC Pulmonary Medicine 2015, 15: 75. PMID: 26204953, PMCID: PMC4513400, DOI: 10.1186/s12890-015-0070-7.Peer-Reviewed Original ResearchConceptsHeat-killed P. acnesSarcoid patientsP. acnesBAL cellsBAL fluidTotal IgGImmune responseHealthy volunteersPathogenesis of sarcoidosisSpecific antibodiesGM-CSF productionIgA titresIgA levelsLymph nodesInflammatory cytokinesGranuloma formationMore TNFSarcoidosisPatientsPropionibacterium acnesAcneGM-CSFElevated levelsAntibodiesIgG