2023
α1 Adrenoreceptor antagonism mitigates extracellular mitochondrial DNA accumulation in lung fibrosis models and in patients with idiopathic pulmonary fibrosis
Ishikawa G, Peng X, McGovern J, Woo S, Perry C, Liu A, Yu S, Ghincea A, Kishchanka A, Fiorini V, Hu B, Sun Y, Sun H, Ryu C, Herzog E. α1 Adrenoreceptor antagonism mitigates extracellular mitochondrial DNA accumulation in lung fibrosis models and in patients with idiopathic pulmonary fibrosis. American Journal Of Physiology - Lung Cellular And Molecular Physiology 2023, 324: l639-l651. PMID: 36648147, PMCID: PMC10110730, DOI: 10.1152/ajplung.00119.2022.Peer-Reviewed Original ResearchConceptsAdrenergic nerve supplyIdiopathic pulmonary fibrosisΑ1 adrenoreceptorsPulmonary fibrosisNerve supplyCultured normal human lung fibroblastsInnate immune ligandsLung fibrosis modelNormal human lung fibroblastsSmooth muscle actinHuman lung fibroblastsAdrenal resectionAdrenoreceptor antagonismExtracellular mtDNAIPF cohortImproved survivalΑ1-adrenoreceptor antagonistsLung fibrosisAdrenal sourceFibroblast accumulationAdrenoreceptor antagonistBleomycin modelFibrosis modelLung fibrogenesisMouse model
2017
Extracellular Mitochondrial DNA Is Generated by Fibroblasts and Predicts Death in Idiopathic Pulmonary Fibrosis
Ryu C, Sun H, Gulati M, Herazo-Maya J, Chen Y, Osafo-Addo A, Brandsdorfer C, Winkler J, Blaul C, Faunce J, Pan H, Woolard T, Tzouvelekis A, Antin-Ozerkis DE, Puchalski JT, Slade M, Gonzalez AL, Bogenhagen DF, Kirillov V, Feghali-Bostwick C, Gibson K, Lindell K, Herzog RI, Dela Cruz CS, Mehal W, Kaminski N, Herzog EL, Trujillo G. Extracellular Mitochondrial DNA Is Generated by Fibroblasts and Predicts Death in Idiopathic Pulmonary Fibrosis. American Journal Of Respiratory And Critical Care Medicine 2017, 196: 1571-1581. PMID: 28783377, PMCID: PMC5754440, DOI: 10.1164/rccm.201612-2480oc.Peer-Reviewed Original ResearchConceptsIdiopathic pulmonary fibrosisNormal human lung fibroblastsExtracellular mitochondrial DNABronchoalveolar lavageIPF fibroblastsPulmonary fibrosisInnate immune ligandsEvent-free survivalSmooth muscle actin expressionMtDNA concentrationsSmooth muscle actin-expressing myofibroblastsGrowth factor-β1Muscle actin expressionHuman lung fibroblastsTGF-β1 stimulationExtracellular mtDNAIPF cohortClinical outcomesControl subjectsDisease progressionGlycolytic reprogrammingSoluble mediatorsTGF-β1Factor-β1Immune ligands