2024
Spatial Transcriptomics Resolve an Emphysema-Specific Lymphoid Follicle B Cell Signature in Chronic Obstructive Pulmonary Disease
Rojas-Quintero J, Ochsner S, New F, Divakar P, Yang C, Wu T, Robinson J, Chandrashekar D, Banovich N, Rosas I, Sauler M, Kheradmand F, Gaggar A, Margaroli C, San Jose Estepar R, McKenna N, Polverino F. Spatial Transcriptomics Resolve an Emphysema-Specific Lymphoid Follicle B Cell Signature in Chronic Obstructive Pulmonary Disease. American Journal Of Respiratory And Critical Care Medicine 2024, 209: 48-58. PMID: 37934672, PMCID: PMC10870877, DOI: 10.1164/rccm.202303-0507le.Peer-Reviewed Original ResearchConceptsChronic obstructive pulmonary diseaseB cell activationObstructive pulmonary diseaseLymphoid folliclesCell activationPulmonary diseaseGOLD 1Chronic Obstructive Lung Disease (GOLD) 1Chronic B-cell activationB cell signaturesDegree of emphysemaB cell marker genesB cell maturationSevere emphysemaAntiinflammatory profileEmphysema measurementsTomographic scanLung sectionsAntigen presentationGOLD 3Centrilobular emphysemaImmune componentsEmphysema pathogenesisEmphysemaLung samples
2022
Lung Spatial Profiling Reveals a T Cell Signature in COPD Patients with Fatal SARS-CoV-2 Infection
Yang CX, Tomchaney M, Landecho MF, Zamacona BR, Oto M, Zulueta J, Malo J, Knoper S, Contoli M, Papi A, Vasilescu DM, Sauler M, Straub C, Tan C, Martinez FD, Bhattacharya D, Rosas IO, Kheradmand F, Hackett TL, Polverino F. Lung Spatial Profiling Reveals a T Cell Signature in COPD Patients with Fatal SARS-CoV-2 Infection. Cells 2022, 11: 1864. PMID: 35740993, PMCID: PMC9220844, DOI: 10.3390/cells11121864.Peer-Reviewed Original ResearchConceptsChronic obstructive pulmonary diseaseCOPD patientsLung parenchymaFatal SARS-CoV-2 infectionsMemory CD4 T cell responsesPre-existing lung diseaseCD4 T cell responsesSARS-CoV-2 infectionSARS-CoV-2 entryMemory T cell differentiationSARS-CoV-2 disease 2019Obstructive pulmonary diseaseT cell responsesT-cell signatureCOVID-19 infectionCOVID-19T cell differentiationAntigen primingMemory CD4Pulmonary diseaseControl lungsImmune microenvironmentLung diseaseT cellsT lymphocytes