2024
Intranasal neomycin evokes broad-spectrum antiviral immunity in the upper respiratory tract
Mao T, Kim J, Peña-Hernández M, Valle G, Moriyama M, Luyten S, Ott I, Gomez-Calvo M, Gehlhausen J, Baker E, Israelow B, Slade M, Sharma L, Liu W, Ryu C, Korde A, Lee C, Monteiro V, Lucas C, Dong H, Yang Y, Initiative Y, Gopinath S, Wilen C, Palm N, Dela Cruz C, Iwasaki A, Vogels C, Hahn A, Chen N, Breban M, Koch T, Chaguza C, Tikhonova I, Castaldi C, Mane S, De Kumar B, Ferguson D, Kerantzas N, Peaper D, Landry M, Schulz W, Grubaugh N. Intranasal neomycin evokes broad-spectrum antiviral immunity in the upper respiratory tract. Proceedings Of The National Academy Of Sciences Of The United States Of America 2024, 121: e2319566121. PMID: 38648490, PMCID: PMC11067057, DOI: 10.1073/pnas.2319566121.Peer-Reviewed Original ResearchConceptsInterferon-stimulated genesRespiratory infectionsStrains of influenza A virusTreatment of respiratory viral infectionsRespiratory virus infectionsInfluenza A virusMouse model of COVID-19Respiratory viral infectionsNeomycin treatmentExpression of interferon-stimulated genesUpper respiratory infectionInterferon-stimulated gene expressionLower respiratory infectionsBroad spectrum of diseasesAdministration of neomycinRespiratory viral diseasesDisease to patientsUpper respiratory tractIntranasal deliveryCongenic miceIntranasal applicationNasal mucosaSevere acute respiratory syndrome coronavirus 2Acute respiratory syndrome coronavirus 2A virus
2021
Defective Early B Cell Tolerance Checkpoints in Patients With Systemic Sclerosis Allow the Production of Self Antigen–Specific Clones
Glauzy S, Olson B, May CK, Parisi D, Massad C, Hansen JE, Ryu C, Herzog EL, Meffre E. Defective Early B Cell Tolerance Checkpoints in Patients With Systemic Sclerosis Allow the Production of Self Antigen–Specific Clones. Arthritis & Rheumatology 2021, 74: 307-317. PMID: 34279059, PMCID: PMC8766600, DOI: 10.1002/art.41927.Peer-Reviewed Original ResearchConceptsB cell tolerance checkpointsEarly B cell tolerance checkpointsPeripheral B cell tolerance checkpointsNaive B cellsMature naive B cellsSystemic sclerosisTransitional B cellsTolerance checkpointsB cellsHealthy donorsAutoreactive mature naive B cellsAutoreactive naive B cellsAntigen-specific B cellsCentral B cell toleranceB cell toleranceB cell productionAntigen-specific clonesReactivity of antibodiesSingle B cellsSSc patientsSerum autoantibodiesAutoimmune diseasesImmune complexesPatientsCell tolerance
2020
Bioactive Plasma Mitochondrial DNA Is Associated With Disease Progression in Scleroderma‐Associated Interstitial Lung Disease
Ryu C, Walia A, Ortiz V, Perry C, Woo S, Reeves BC, Sun H, Winkler J, Kanyo JE, Wang W, Vukmirovic M, Ristic N, Stratton EA, Meena SR, Minasyan M, Kurbanov D, Liu X, Lam TT, Farina G, Gomez JL, Gulati M, Herzog EL. Bioactive Plasma Mitochondrial DNA Is Associated With Disease Progression in Scleroderma‐Associated Interstitial Lung Disease. Arthritis & Rheumatology 2020, 72: 1905-1915. PMID: 32602227, PMCID: PMC8081728, DOI: 10.1002/art.41418.Peer-Reviewed Original ResearchConceptsCGAS/STING activationExtracellular vesiclesMitochondrial DNAPattern recognition receptorsCyclic GMP-AMP synthase/stimulatorHuman lung fibroblastsSSc-ILD cohortsInterstitial lung diseaseMT-ATP6 geneΑ-SMA expressionI interferonSSc-ILDScleroderma-Associated Interstitial Lung DiseaseSynthetic CpG DNATLR-9Clinical outcomesLung diseaseSTING activationInterleukin-6Enzyme-linked immunosorbent assay-based methodProteomic profilesMulticellular originSystemic sclerosis-associated interstitial lung diseaseImmune pattern recognition receptorsExtracellular mtDNAA 50-Year-Old Woman With Limited Scleroderma Presenting With Shortness of Breath
Walia A, Singh I, Ryu C, Lutchmansingh DD. A 50-Year-Old Woman With Limited Scleroderma Presenting With Shortness of Breath. CHEST Journal 2020, 158: e37-e40. PMID: 32654737, PMCID: PMC8097629, DOI: 10.1016/j.chest.2020.02.041.Peer-Reviewed Original ResearchConceptsInterstitial lung diseasePulmonary arterial pressurePulmonary arterial hypertensionArterial hypertensionMycophenolate mofetilLimited sclerodermaArterial pressureCalculated pulmonary vascular resistanceMean pulmonary arterial pressureSevere pulmonary arterial hypertensionStable interstitial lung diseasePulmonary arterial wedge pressureLow-dose prednisonePulmonary vascular resistanceRight heart catheterizationRight atrial pressureLower extremity edemaRight ventricular pressureChronic shortnessCardiac indexChest painHeart catheterizationSick contactsVascular resistanceWedge pressureReduced Sialylation and Bioactivity of the Antifibrotic Protein Serum Amyloid P in the Sera of Patients with Idiopathic Pulmonary Fibrosis
Chen W, Karhadkar TR, Ryu C, Herzog EL, Gomer RH. Reduced Sialylation and Bioactivity of the Antifibrotic Protein Serum Amyloid P in the Sera of Patients with Idiopathic Pulmonary Fibrosis. ImmunoHorizons 2020, 4: 352-362. PMID: 32576593, PMCID: PMC8500545, DOI: 10.4049/immunohorizons.2000043.Peer-Reviewed Original ResearchConceptsSerum amyloid PIPF patientsPulmonary fibrosisFibrocyte differentiationIL-10 accumulationAmyloid PEffects of SAPIdiopathic pulmonary fibrosis (IPF) pathogenesisPulmonary fibrosis pathogenesisIdiopathic pulmonary fibrosisBronchoalveolar lavage fluidSera of patientsHigh extracellular levelsPotential therapeutic targetDifferentiation of monocytesSialic acidIPF pathogenesisIL-10Scar-like tissueLavage fluidHealthy controlsFatal disorderFibrosis pathogenesisHuman PBMCsTherapeutic target
2019
GDF15 is an epithelial-derived biomarker of idiopathic pulmonary fibrosis
Zhang Y, Jiang M, Nouraie M, Roth MG, Tabib T, Winters S, Chen X, Sembrat J, Chu Y, Cardenes N, Tuder RM, Herzog EL, Ryu C, Rojas M, Lafyatis R, Gibson KF, McDyer JF, Kass DJ, Alder JK. GDF15 is an epithelial-derived biomarker of idiopathic pulmonary fibrosis. American Journal Of Physiology - Lung Cellular And Molecular Physiology 2019, 317: l510-l521. PMID: 31432710, PMCID: PMC6842909, DOI: 10.1152/ajplung.00062.2019.Peer-Reviewed Original ResearchMeSH KeywordsAgedAlveolar Epithelial CellsAnimalsBleomycinBronchoalveolar Lavage FluidCase-Control StudiesDisease Models, AnimalFemaleGene Expression ProfilingGrowth Differentiation Factor 15HumansIdiopathic Pulmonary FibrosisLungMaleMiceMiddle AgedRespiratory Function TestsSeverity of Illness IndexSurvival AnalysisTelomereTranscriptomeConceptsIdiopathic pulmonary fibrosisBleomycin challengePulmonary fibrosisEpithelial cellsDisease pathologyConcentrations of GDF15Type II alveolar epithelial cellsInterstitial lung diseaseDifferentiation factor 15Multiple independent cohortsAlveolar epithelial cellsLung epithelial cellsIPF patientsPulmonary functionBronchoalveolar lavagePoor outcomeLung diseasePeripheral bloodEpithelial dysfunctionTelomere dysfunctionLung tissueFactor 15Epithelial stressIndependent cohortUseful biomarkerPlasma mitochondrial DNA is associated with extrapulmonary sarcoidosis
Ryu C, Brandsdorfer C, Adams T, Hu B, Kelleher DW, Yaggi M, Manning EP, Walia A, Reeves B, Pan H, Winkler J, Minasyan M, Dela Cruz CS, Kaminski N, Gulati M, Herzog EL. Plasma mitochondrial DNA is associated with extrapulmonary sarcoidosis. European Respiratory Journal 2019, 54: 1801762. PMID: 31273041, PMCID: PMC8088542, DOI: 10.1183/13993003.01762-2018.Peer-Reviewed Original ResearchConceptsExtrapulmonary diseaseMitochondrial DNAExtracellular mtDNABAL fluidAlpha-1 antitrypsin deficiencyPlasma mitochondrial DNAPlasma of patientsAfrican AmericansExtrapulmonary sarcoidosisSarcoidosis cohortSarcoidosis subjectsScadding stageAfrican American descentClinical featuresClinical findingsGranulomatous diseaseHealthy controlsAntitrypsin deficiencyGenomic researchHigher oddsSarcoidosisAggressive phenotypeMechanistic basisDiseaseTherapeutic insights
2018
S100A12 as a marker of worse cardiac output and mortality in pulmonary hypertension
Tzouvelekis A, Herazo‐Maya J, Ryu C, Chu J, Zhang Y, Gibson KF, Adonteng‐Boateng P, Li Q, Pan H, Cherry B, Ahmad F, Ford HJ, Herzog EL, Kaminski N, Fares WH. S100A12 as a marker of worse cardiac output and mortality in pulmonary hypertension. Respirology 2018, 23: 771-779. PMID: 29611244, PMCID: PMC6047907, DOI: 10.1111/resp.13302.Peer-Reviewed Original ResearchConceptsPeripheral blood mononuclear cellsPH patientsPH cohortCardiac outputWorld Health Organization group 1Idiopathic pulmonary fibrosis patientsPulmonary hypertension patientsPulmonary fibrosis patientsBlood mononuclear cellsProtein serum concentrationsHigher S100A12Pulmonary hypertensionS100A12 levelsOverall mortalityHypertension patientsPrognostic valueValidation cohortMononuclear cellsPeripheral bloodSerum concentrationsInflammatory diseasesGroup 1PatientsFibrosis patientsS100A12A novel endobronchial approach to massive hemoptysis complicating silicone Y-stent placement for tracheobronchomalacia
Ryu C, Boffa D, Bramley K, Pisani M, Puchalski J. A novel endobronchial approach to massive hemoptysis complicating silicone Y-stent placement for tracheobronchomalacia. Medicine 2018, 97: e9980. PMID: 29465600, PMCID: PMC5842006, DOI: 10.1097/md.0000000000009980.Peer-Reviewed Original ResearchConceptsOxidized regenerated celluloseSilicone YBronchial limbMassive hemoptysisStent placementLife-threatening hemoptysisGranulation tissue formationLong-term managementSurgical sealantEmergent bronchoscopySymptomatic tracheobronchomalaciaAirway stabilizationEndobronchial therapyMucus pluggingCommon complicationInitial hemostasisSufficient hemostasisAirway wallRare caseEndobronchial approachTracheobronchomalaciaHemoptysisPulsatile vesselsComplete cessationSubsequent placement
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 ligandsUpper Airway Obstruction Requiring Emergent Tracheostomy Secondary to Laryngeal Sarcoidosis: A Case Report
Ryu C, Herzog EL, Pan H, Homer R, Gulati M. Upper Airway Obstruction Requiring Emergent Tracheostomy Secondary to Laryngeal Sarcoidosis: A Case Report. American Journal Of Case Reports 2017, 18: 157-159. PMID: 28190872, PMCID: PMC5319306, DOI: 10.12659/ajcr.902231.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsUpper airway obstructionRare extrapulmonary manifestationLaryngeal sarcoidosisLife-threatening complicationsAirway obstructionEmergent tracheostomyExtrapulmonary manifestationsCase reportComplete upper airway obstructionLow-dose prednisoneMonths of corticosteroidsStage 1 sarcoidosisAddition of methotrexateAfrican American femalesTapered dosageRespiratory failureSevere dyspneaInspiratory stridorSignificant morbidityPhysical examinationChronic careAryepiglottic foldsTimely diagnosisSarcoidosisPrednisone
2016
Validation of the prognostic value of MMP‐7 in idiopathic pulmonary fibrosis
Tzouvelekis A, Herazo‐Maya J, Slade M, Chu J, Deiuliis G, Ryu C, Li Q, Sakamoto K, Ibarra G, Pan H, Gulati M, Antin‐Ozerkis D, Herzog EL, Kaminski N. Validation of the prognostic value of MMP‐7 in idiopathic pulmonary fibrosis. Respirology 2016, 22: 486-493. PMID: 27761978, PMCID: PMC5352520, DOI: 10.1111/resp.12920.Peer-Reviewed Original ResearchConceptsTransplant-free survivalIdiopathic pulmonary fibrosisMMP-7 concentrationsMatrix metalloproteinase-7IPF patientsCause mortalityPulmonary fibrosisHealthy controlsMultivariate Cox proportional hazards modelCox proportional hazards modelPulmonary function parametersVariable clinical courseBaseline pulmonary function parametersProportional hazards modelIPF biomarkersProgressive diseaseClinical coursePoor prognosisPrognostic valueVital capacityIndependent biomarkerLung capacityPrognostic thresholdPlasma concentrationsMortality risk