Sean Gu, MD/PhD
Clinical FellowAbout
Research
Publications
Featured Publications
Thrombocytopathy and endotheliopathy: crucial contributors to COVID-19 thromboinflammation
Gu SX, Tyagi T, Jain K, Gu VW, Lee SH, Hwa JM, Kwan JM, Krause DS, Lee AI, Halene S, Martin KA, Chun HJ, Hwa J. Thrombocytopathy and endotheliopathy: crucial contributors to COVID-19 thromboinflammation. Nature Reviews Cardiology 2020, 18: 194-209. PMID: 33214651, PMCID: PMC7675396, DOI: 10.1038/s41569-020-00469-1.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsMeSH KeywordsAdministration, InhalationAnticoagulantsBlood Coagulation DisordersBlood Platelet DisordersCOVID-19COVID-19 Drug TreatmentEndothelium, VascularEndothelium-Dependent Relaxing FactorsEpoprostenolHeart Disease Risk FactorsHumansIloprostInflammationNitric OxidePlatelet Aggregation InhibitorsSARS-CoV-2Systemic Inflammatory Response SyndromeThrombosisThrombotic MicroangiopathiesVascular DiseasesVasodilator AgentsVenous ThromboembolismConceptsCardiovascular risk factorsRisk factorsCOVID-19Severe acute respiratory syndrome coronavirus 2Pre-existing cardiovascular diseaseAcute respiratory syndrome coronavirus 2Traditional cardiovascular risk factorsAcute respiratory distress syndromeRespiratory syndrome coronavirus 2Respiratory distress syndromeManagement of patientsSyndrome coronavirus 2COVID-19 pathologyCoronavirus disease 2019Potential therapeutic strategyCytokine stormEndothelial dysfunctionThrombotic complicationsDistress syndromeExcessive inflammationCoronavirus 2Severe outcomesAdvanced ageCardiovascular diseaseDisease 2019Whole-exome sequencing in evaluation of patients with venous thromboembolism
Lee EJ, Dykas DJ, Leavitt AD, Camire RM, Ebberink E, GarcĂa de Frutos P, Gnanasambandan K, Gu SX, Huntington JA, Lentz SR, Mertens K, Parish CR, Rezaie AR, Sayeski PP, Cromwell C, Bar N, Halene S, Neparidze N, Parker TL, Burns AJ, Dumont A, Yao X, Chaar CIO, Connors JM, Bale AE, Lee AI. Whole-exome sequencing in evaluation of patients with venous thromboembolism. Blood Advances 2017, 1: 1224-1237. PMID: 29296762, PMCID: PMC5728544, DOI: 10.1182/bloodadvances.2017005249.Peer-Reviewed Original ResearchWhole-exome sequencingVenous thromboembolismStudy patientsThrombophilia panelVTE patientsHeritable thrombophiliaThrombophilia testingDisease-causing genetic variantsEvaluation of patientsControl patientsThrombophilia mutationsProtein modelingThrombotic historyProtein structurePatientsThrombophilia genesVTE pathogenesisWES variantsUnknown significanceThrombophiliaGenetic variantsGenesPrior reportsSequencingThromboembolismA guide to molecular and functional investigations of platelets to bridge basic and clinical sciences
Tyagi T, Jain K, Gu S, Qiu M, Gu V, Melchinger H, Rinder H, Martin K, Gardiner E, Lee A, Tang W, Hwa J. A guide to molecular and functional investigations of platelets to bridge basic and clinical sciences. Nature Cardiovascular Research 2022, 1: 223-237. PMID: 37502132, PMCID: PMC10373053, DOI: 10.1038/s44161-022-00021-z.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsVascular smooth muscle cellsPlatelet functional assaysCoronavirus disease 2019Smooth muscle cellsImmune cellsImmune regulationVascular remodelingDisease 2019Pathophysiological processesTranslational relevancePatient diagnosisFlow cytometryMuscle cellsPlatelet biologyFunctional assaysPlatelet investigationsHomeostatic processesPlateletsPhenotypic heterogeneityFunctional stateClinical scienceCellsAdditional roleThrombosisSuch diverse functionsHigh-Dimensional Single-Cell Mass Cytometry Demonstrates Differential Platelet Functional Phenotypes in Infants With Congenital Heart Disease
Gu S, Marcus B, Gu V, Varghese A, Hwa J, Faustino E. High-Dimensional Single-Cell Mass Cytometry Demonstrates Differential Platelet Functional Phenotypes in Infants With Congenital Heart Disease. Arteriosclerosis Thrombosis And Vascular Biology 2024, 44: 2530-2539. PMID: 39171400, PMCID: PMC11602369, DOI: 10.1161/atvbaha.124.321131.Peer-Reviewed Original ResearchCongenital heart diseaseNon-CHD controlsSubpopulation of plateletsCytokine analysisAssociated with congenital heart diseaseSurface markersPlatelet activationHeart diseaseAssociated with hematological abnormalitiesChildren's Heart CenterPlasma cytokine analysisComplex heart defectsBlood of infantsThrombotic vascular complicationsIL (interleukin)-6Cell surface markersDecreased platelet activationMass cytometry approachPlatelet surface markersHypogranular plateletsHeart defectsBleeding eventsPlasma cytokinesPlatelet function phenotypesInflammatory markers
2024
Demographic diversity in platelet function and response to antiplatelet therapy
Jain K, Tyagi T, Gu S, Faustino E, Hwa J. Demographic diversity in platelet function and response to antiplatelet therapy. Trends In Pharmacological Sciences 2024 PMID: 39672782, DOI: 10.1016/j.tips.2024.11.005.Peer-Reviewed Original ResearchResponse to antiplatelet therapyCardiovascular diseaseAntiplatelet therapyPlatelet biologyPathological platelet activationCardiovascular disease riskNon-genetic factorsPopulation-based differencesAntiplatelet strategiesPlatelet functionCardiovascular outcomesDiverse rolesPlatelet activationTherapeutic approachesTherapyPlateletBiologyFully biologic endothelialized-tissue-engineered vascular conduits provide antithrombotic function and graft patency
Park J, Riaz M, Qin L, Zhang W, Batty L, Fooladi S, Kural M, Li X, Luo H, Xu Z, Wang J, Banno K, Gu S, Yuan Y, Anderson C, Ellis M, Zhou J, Luo J, Shi X, Shin J, Liu Y, Lee S, Yoder M, Elder R, Mak M, Thorn S, Sinusas A, Gruber P, Hwa J, Tellides G, Niklason L, Qyang Y. Fully biologic endothelialized-tissue-engineered vascular conduits provide antithrombotic function and graft patency. Cell Stem Cell 2024 PMID: 39644899, DOI: 10.1016/j.stem.2024.11.006.Peer-Reviewed Original ResearchTissue-engineered vascular conduitsSingle-ventricle congenital heart defectsEndothelial cellsBiodegradable polymeric scaffoldsGraft patencyAutologous bone marrow cellsAntithrombotic functionCongenital heart defectsInferior vena cava graftHiPSC-derived endothelial cellsBone marrow cellsHuman umbilical arteryDecellularized human umbilical arteriesPolymeric scaffoldsHost endothelial cellsHuman induced pluripotent stem cell (hiPSC)-derived endothelial cellsUmbilical arteryHeart defectsVascular conduitsMarrow cellsFlow bioreactorVena cava graftNude ratsGraft stenosisClinical trialsPhenotypic and genotypic evaluation of bleeding diagnostic dilemmas: Two case studies
Gu S, Butt A, Schulz V, Rinder H, Lee A, Gallagher P, Hwa J, Bona R. Phenotypic and genotypic evaluation of bleeding diagnostic dilemmas: Two case studies. Blood Cells Molecules And Diseases 2024, 110: 102893. PMID: 39260211, DOI: 10.1016/j.bcmd.2024.102893.Peer-Reviewed Original ResearchInherited platelet disordersClinically significant bleedingCases of patientsHeterogeneous group of conditionsGroup of conditionsSignificant bleedingDiagnostic yieldDiagnostic dilemmaPlatelet disordersBleeding disordersEvaluating patientsPatient cohortMolecular pathogenesisMass cytometryHeterogeneous groupPatientsMultimodal approachBleedingImprove patient careDiagnosisDisordersPatient careGenetic sequencesLaboratory testing approachPotential utilityAplastic anemia in association with multiple myeloma: clinical and pathophysiological insights
Muradashvili T, Liu Y, VanOudenhove J, Gu S, Krause D, Montanari F, Carlino M, Mancuso R, Stempel J, Halene S, Zeidan A, Podoltsev N, Neparidze N. Aplastic anemia in association with multiple myeloma: clinical and pathophysiological insights. Leukemia & Lymphoma 2024, 65: 2182-2189. PMID: 39225418, DOI: 10.1080/10428194.2024.2393260.Peer-Reviewed Original ResearchAplastic anemiaMultiple myelomaImmunosuppressive therapyTransfusion requirementsProgenitor cellsPlasma cell-directed therapyT-cell destructionCell-directed therapiesInhibition of erythroid colony formationErythroid colony formationLevels of IL8Severe AAImmune cytopeniasPartial responseMM patientsHematopoietic stemSerum testsPartial improvementPathophysiological insightsPatientsImmune systemPlatelet apoptosisCytopeniasColony formationMyeloma
2023
Multimodality Platelet Evaluation By Mass Cytometry and Genetic Analysis in Patients with Bleeding Disorders
Gu S, Gallagher P, Butt A, Gu V, Lezon-Geyda K, Schulz V, Prozora S, Lee A, Neparidze N, Bar N, Martin K, Cornell J, Chirico G, Chakraborty R, Rinder H, Hwa J, Bona R. Multimodality Platelet Evaluation By Mass Cytometry and Genetic Analysis in Patients with Bleeding Disorders. Blood 2023, 142: 1197. DOI: 10.1182/blood-2023-177946.Peer-Reviewed Original ResearchBleeding tendencyBleeding disorderPlatelet markersPlatelet aggregometryMass cytometryPlatelet functionPlatelet disordersSingle-center prospective studyLow-risk groupAbnormal bleeding tendencyQualitative platelet disordersLarge patient cohortQuantitative platelet disordersCommon underlying causeGenetic variantsMultimodality evaluationTotal patientsRisk stratificationLaboratory suspicionPlatelet dysfunctionProspective studyPatient cohortUnivariate analysisPlatelet volumeRisk groupsProteomic Profiling of Different Antiphospholipid Antibody-Positive Phenotypes: Results from Antiphospholipid Syndrome Alliance for Clinical Trials and International Networking (APS ACTION) Registry
Pine A, Butt A, Garcia-Milian R, Gu S, Restrepo V, Chock Y, Hwa J, Tormey C, Rinder H, Goshua G, Belmont H, Bertolaccini M, Branch D, Erhan D, Kello N, Knight J, Petri M, Willis R, Lee A, Sharda A. Proteomic Profiling of Different Antiphospholipid Antibody-Positive Phenotypes: Results from Antiphospholipid Syndrome Alliance for Clinical Trials and International Networking (APS ACTION) Registry. Blood 2023, 142: 2575. DOI: 10.1182/blood-2023-185232.Peer-Reviewed Original ResearchNeutrophil extracellular trapsAntiphospholipid syndromeHumoral immune responseImmune responseClinical phenotypePathophysiology of APSPathogenesis of APSSapporo classification criteriaAPL-positive patientsPathway enrichment analysisEffector cell differentiationAntiPhospholipid Syndrome AllianceDifferent clinical phenotypesProteomic profilingPlasma proteomic profilingPatient plasma samplesAPL antibodiesAPS pathogenesisAntiphospholipid antibodiesObstetric complicationsPositive aPLCytokine stormMedian ageMicrovascular disordersConcurrent diagnosis