2020
Gene coexpression networks reveal novel molecular endotypes in alpha-1 antitrypsin deficiency
Chu JH, Zang W, Vukmirovic M, Yan X, Adams T, DeIuliis G, Hu B, Mihaljinec A, Schupp JC, Becich MJ, Hochheiser H, Gibson KF, Chen ES, Morris A, Leader JK, Wisniewski SR, Zhang Y, Sciurba FC, Collman RG, Sandhaus R, Herzog EL, Patterson KC, Sauler M, Strange C, Kaminski N. Gene coexpression networks reveal novel molecular endotypes in alpha-1 antitrypsin deficiency. Thorax 2020, 76: 134-143. PMID: 33303696, PMCID: PMC10794043, DOI: 10.1136/thoraxjnl-2019-214301.Peer-Reviewed Original ResearchConceptsWeighted gene co-expression network analysisAlpha-1 antitrypsin deficiencyGene modulesGene co-expression network analysisDifferential gene expression analysisCo-expression network analysisPeripheral blood mononuclear cellsGene expression patternsPBMC gene expression patternsGene coexpression networksAATD individualsGene expression profilesGene expression analysisBronchoalveolar lavageAugmentation therapyClinical variablesAntitrypsin deficiencyGene expression assaysRNA-seqCoexpression networkGene validationExpression analysisExpression assaysWGCNA modulesExpression patterns
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
2014
The prevalence of undiagnosed diabetes mellitus and the association of baseline glycemic control on mortality in the intensive care unit: A prospective observational study
Hoang QN, Pisani MA, Inzucchi S, Hu B, Honiden S. The prevalence of undiagnosed diabetes mellitus and the association of baseline glycemic control on mortality in the intensive care unit: A prospective observational study. Journal Of Critical Care 2014, 29: 1052-1056. PMID: 25092614, DOI: 10.1016/j.jcrc.2014.06.007.Peer-Reviewed Original ResearchConceptsBaseline glycemic controlStress hyperglycemiaGlycemic controlUndiagnosed diabetesChronic Health Evaluation II scoreMedical intensive care unit patientsIntensive care unit patientsHemoglobin A1c levelsHistory of diabetesObservational cohort studyProspective observational studyUndiagnosed diabetes mellitusCare unit patientsIntensive care unitLower baseline HbA1cMultivariable logistic regressionSignificant differencesAcute PhysiologyHospital mortalityNondiabetic patientsBaseline HbA1cII scoreMICU patientsCohort studyCritical illnessChitinase 3–Like 1 Suppresses Injury and Promotes Fibroproliferative Responses in Mammalian Lung Fibrosis
Zhou Y, Peng H, Sun H, Peng X, Tang C, Gan Y, Chen X, Mathur A, Hu B, Slade MD, Montgomery RR, Shaw AC, Homer RJ, White ES, Lee CM, Moore MW, Gulati M, Lee CG, Elias JA, Herzog EL. Chitinase 3–Like 1 Suppresses Injury and Promotes Fibroproliferative Responses in Mammalian Lung Fibrosis. Science Translational Medicine 2014, 6: 240ra76. PMID: 24920662, PMCID: PMC4340473, DOI: 10.1126/scitranslmed.3007096.Peer-Reviewed Original ResearchConceptsIdiopathic pulmonary fibrosisCHI3L1 levelsChitinase 3Lungs of patientsAlternative macrophage activationLevel of apoptosisAcute exacerbationFibroproliferative repairLung transplantationDisease exacerbationInjury phaseAmbulatory patientsEpithelial injuryPulmonary fibrosisIPF populationLung fibrosisMacrophage accumulationCHI3L1 expressionFibrotic phaseDisease progressionProfibrotic roleFibroproliferative responseMacrophage activationMyofibroblast transformationProtective role
2007
Lung‐specific nuclear reprogramming is accompanied by heterokaryon formation and Y chromosome loss following bone marrow transplantation and secondary inflammation
Herzog EL, Van Arnam J, Hu B, Zhang J, Chen Q, Haberman AM, Krause DS. Lung‐specific nuclear reprogramming is accompanied by heterokaryon formation and Y chromosome loss following bone marrow transplantation and secondary inflammation. The FASEB Journal 2007, 21: 2592-2601. PMID: 17449722, DOI: 10.1096/fj.06-7861com.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBone Marrow TransplantationChromosome DeletionFemaleInflammationIntercellular Signaling Peptides and ProteinsMaleMiceMice, KnockoutPeptidesPostoperative ComplicationsPulmonary Surfactant-Associated Protein CTransplantation ChimeraTransplantation ConditioningWhole-Body IrradiationY ChromosomeConceptsTransplanted bone marrow-derived cellsY chromosomeHeterokaryon formationBone marrow-derived cellsLung-specific gene expressionGene expression patternsSurfactant protein CY chromosome lossNuclear reprogrammingSP-C mRNAChromosome lossExpression patternsGene expressionCell fusionSP-C deficiencyChromosomesReprogrammingSpNonhematopoietic cellsWild-type marrowMarrow-derived cellsCellsProtein CProteinFusion
2006
Threshold of Lung Injury Required for the Appearance of Marrow‐Derived Lung Epithelia
Herzog EL, Van Arnam J, Hu B, Krause DS. Threshold of Lung Injury Required for the Appearance of Marrow‐Derived Lung Epithelia. Stem Cells 2006, 24: 1986-1992. PMID: 16868209, DOI: 10.1634/stemcells.2005-0579.Peer-Reviewed Original ResearchConceptsBone marrow-derived cellsBone marrow transplantationLung injuryMarrow transplantationLung epitheliumEngraftment of BMDCsLocal host factorsSex-mismatched bone marrow transplantationMarrow-derived cellsType II pneumocytesMyeloablative radiationLung damageHematopoietic chimerismEpithelial chimerismApparent injuryInjuryTransplantationHost factorsEpitheliumEpithelial cellsEpithelial phenotypeLungChimerismPneumocytesPhenotypic changes