2022
Occupational and environmental exposures in the Genomic Research in Alpha-1 Antitrypsin Deficiency and Sarcoidosis (GRADS) study
Ryan SM, Mroz MM, Herzog EL, Ryu C, Fingerlin TE, Maier LA, Gulati M. Occupational and environmental exposures in the Genomic Research in Alpha-1 Antitrypsin Deficiency and Sarcoidosis (GRADS) study. Respiratory Medicine 2022, 200: 106923. PMID: 35932543, DOI: 10.1016/j.rmed.2022.106923.Peer-Reviewed Original ResearchConceptsAlpha-1 antitrypsin deficiencyCardiac sarcoidosisSarcoidosis StudyAntitrypsin deficiencyRadiation exposureNon-cardiac sarcoidosisNon-chronic diseasesMultiple comparisonsEnvironmental exposure dataExtrapulmonary diseasePulmonary involvementGranulomatous disorderSarcoidosis phenotypesRisk factorsSpecific disease phenotypesStage 0Number of exposuresSarcoidosisExposure assessment toolsSusceptible individualsSpecific exposuresDiseaseEnvironmental exposuresExposure dataIndividual exposureEmerging insights in sarcoidosis: moving forward through reverse translational research
Liu A, Sharma L, Yan X, Dela Cruz CS, Herzog EL, Ryu C. Emerging insights in sarcoidosis: moving forward through reverse translational research. American Journal Of Physiology - Lung Cellular And Molecular Physiology 2022, 322: l518-l525. PMID: 35196896, PMCID: PMC8957321, DOI: 10.1152/ajplung.00266.2021.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsTranslational researchFibrotic lung diseasePulmonary granuloma formationReverse translational researchChronic granulomatous diseaseImmunopathogenic mechanismsLung diseaseUnknown etiologyGranulomatous diseaseGranuloma formationSarcoidosis researchStage IVDisease pathogenesisClinical phenotypeSarcoidosisClinical interventionsDisease model developmentFibrogenesisSignificant proportionFundamental mediatorDiseaseFurther investigationInvestigative effortsHypothesis-driven researchMorbidity
2019
Plasma 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
2017
Upper 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