2022
Platelet-derived TLT-1 promotes tumor progression by suppressing CD8+ T cells
Tyagi T, Jain K, Yarovinsky TO, Chiorazzi M, Du J, Castro C, Griffin J, Korde A, Martin KA, Takyar SS, Flavell RA, Patel AA, Hwa J. Platelet-derived TLT-1 promotes tumor progression by suppressing CD8+ T cells. Journal Of Experimental Medicine 2022, 220: e20212218. PMID: 36305874, PMCID: PMC9814191, DOI: 10.1084/jem.20212218.Peer-Reviewed Original ResearchConceptsCD8 T cellsT cellsTLT-1Non-small cell lung cancer patientsCell lung cancer patientsTREM-like transcript-1Tumor immunosuppressive mechanismsT cell suppressionLung cancer patientsPatient T cellsNF-κB pathwayPatient-derived tumorsDistinct activation phenotypesNSCLC patientsImmunosuppressive mechanismsSyngeneic tumorsHumanized miceImmunoregulatory rolePrognostic significanceImmunocompetent miceCancer patientsCell suppressionActivation phenotypeReduced tumorTumor growthUnfolded Protein Response Differentially Modulates the Platelet Phenotype
Jain K, Tyagi T, Du J, Hu X, Patell K, Martin KA, Hwa J. Unfolded Protein Response Differentially Modulates the Platelet Phenotype. Circulation Research 2022, 131: 290-307. PMID: 35862006, PMCID: PMC9357223, DOI: 10.1161/circresaha.121.320530.Peer-Reviewed Original ResearchConceptsUPR pathwayProtein responseMouse plateletsUnfolded protein responseActivation of UPRPlatelet phenotypeTranscriptional regulationGenomic regulationProtein misfoldingAnucleate plateletsProtein aggregationUPR activationPhosphorylation of PLCγ2Chemical chaperonesXBP1 pathwayP38 MAPKPERK pathwayUPRPKCδ activationPlatelet physiologyActivation pathwayPathwayPhenotypeIRE1α inhibitionSelective induction
2020
Parkin Coordinates Platelet Stress Response in Diabetes Mellitus: A Big Role in a Small Cell
Lee SH, Du J, Hwa J, Kim WH. Parkin Coordinates Platelet Stress Response in Diabetes Mellitus: A Big Role in a Small Cell. International Journal Of Molecular Sciences 2020, 21: 5869. PMID: 32824240, PMCID: PMC7461561, DOI: 10.3390/ijms21165869.Peer-Reviewed Original ResearchMeSH Keywords14-3-3 ProteinsAnimalsBlood PlateletsCells, CulturedDiabetes MellitusHumansLysosome-Associated Membrane GlycoproteinsMiceMice, Inbred C57BLMitochondriaMitochondrial Trifunctional Protein, alpha SubunitMitophagyPlatelet ActivationProtein BindingProtein Serine-Threonine KinasesStress, PhysiologicalUbiquitin-Protein LigasesValosin Containing ProteinConceptsDiabetes mellitusDiabetic plateletsPlatelet activationNew potential therapeutic targetsEndogenous protective rolePotential therapeutic targetHealthy controlsMitochondrial β-oxidationPlatelet mitochondrial dysfunctionHealthy plateletsTherapeutic targetProtective rolePlatelet aggregationMitochondrial protectionMitochondrial dysfunctionMellitusPlateletsΒ-oxidationStress responseActivationParkinParkin-dependent mitophagyCellsDysfunctionTargeting lysosomes
2019
Mitochondrial MsrB2 serves as a switch and transducer for mitophagy
Lee SH, Lee S, Du J, Jain K, Ding M, Kadado AJ, Atteya G, Jaji Z, Tyagi T, Kim W, Herzog RI, Patel A, Ionescu CN, Martin KA, Hwa J. Mitochondrial MsrB2 serves as a switch and transducer for mitophagy. EMBO Molecular Medicine 2019, 11: emmm201910409. PMID: 31282614, PMCID: PMC6685081, DOI: 10.15252/emmm.201910409.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBlood PlateletsCell LineDiabetes MellitusFemaleHumansMethionine Sulfoxide ReductasesMice, Inbred C57BLMice, KnockoutMicrofilament ProteinsMicrotubule-Associated ProteinsMitochondriaMitochondrial Membrane Transport ProteinsMitochondrial Permeability Transition PoreMitophagyMutationOxidation-ReductionOxidative StressParkinson DiseaseSignal TransductionUbiquitinationUbiquitin-Protein LigasesConceptsReduced mitophagyOxidative stress-induced mitophagyNovel regulatory mechanismStress-induced mitophagyLC3 interactionMitochondrial matrixDamaged mitochondriaMsrB2Reactive oxygen speciesRegulatory mechanismsMethionine oxidationMitophagyMitochondriaPlatelet apoptosisOxygen speciesPlatelet-specific knockoutApoptosisPathophysiological importanceExpressionImportant roleUbiquitinationParkin mutationsParkinSpeciesLC3Age associated non-linear regulation of redox homeostasis in the anucleate platelet: Implications for CVD risk patients
Jain K, Tyagi T, Patell K, Xie Y, Kadado AJ, Lee SH, Yarovinsky T, Du J, Hwang J, Martin KA, Testani J, Ionescu CN, Hwa J. Age associated non-linear regulation of redox homeostasis in the anucleate platelet: Implications for CVD risk patients. EBioMedicine 2019, 44: 28-40. PMID: 31130473, PMCID: PMC6604369, DOI: 10.1016/j.ebiom.2019.05.022.Peer-Reviewed Original ResearchMeSH KeywordsAdaptation, PhysiologicalAge FactorsAgedAged, 80 and overAgingAnimalsAntioxidantsApoptosisBiomarkersBlood PlateletsCardiovascular DiseasesComorbidityDisease Models, AnimalFemaleHomeostasisHumansMaleMiceMiddle AgedOxidation-ReductionOxidative StressPlatelet ActivationPlatelet AdhesivenessReactive Oxygen SpeciesRisk AssessmentRisk FactorsConceptsRisk patientsMouse studiesPlatelet phenotypeMajor adverse cardiovascular eventsHigh cardiovascular risk patientsAdaptive increaseAdverse cardiovascular eventsCentral pathophysiological roleCVD risk patientsCardiovascular risk patientsAggressive antiplatelet therapyEffect of comorbidityAge group 40Young healthy subjectsAntiplatelet therapyCardiovascular eventsYear age cohortAdvanced ageCVD patientsGroup 40Healthy subjectsPathophysiological roleElderly populationCardiovascular pathologyPatients
2017
Opposing Actions of AKT (Protein Kinase B) Isoforms in Vascular Smooth Muscle Injury and Therapeutic Response
Jin Y, Xie Y, Ostriker AC, Zhang X, Liu R, Lee MY, Leslie KL, Tang W, Du J, Lee SH, Wang Y, Sessa WC, Hwa J, Yu J, Martin KA. Opposing Actions of AKT (Protein Kinase B) Isoforms in Vascular Smooth Muscle Injury and Therapeutic Response. Arteriosclerosis Thrombosis And Vascular Biology 2017, 37: 2311-2321. PMID: 29025710, PMCID: PMC5699966, DOI: 10.1161/atvbaha.117.310053.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBinding SitesCell Cycle ProteinsCell DifferentiationCell MovementCell ProliferationCells, CulturedDisease Models, AnimalForkhead Transcription FactorsGene Expression RegulationGenetic Predisposition to DiseaseHumansMice, KnockoutMuscle, Smooth, VascularMyocytes, Smooth MuscleNeointimaNuclear ProteinsPhenotypePromoter Regions, GeneticProto-Oncogene Proteins c-aktRNA InterferenceRNA, MessengerSignal TransductionSirolimusTime FactorsTrans-ActivatorsTranscription FactorsTransfectionVascular System InjuriesConceptsIntimal hyperplasiaTherapeutic inhibitionVascular smooth muscle injurySmooth muscle-specific deletionSmooth muscle cell proliferationSystemic vascular diseaseSevere intimal hyperplasiaSmooth muscle injuryNew treatment strategiesWild-type miceAkt isoformsMuscle cell proliferationMuscle-specific deletionMechanism of actionVascular smooth muscle cell differentiationCoronary revascularizationSmooth muscle cell differentiationDiabetes mellitusDiabetic patientsControl miceRapamycin therapyVascular diseaseMuscle injuryTherapeutic responseSevere thrombosis
2015
Hyperglycemia repression of miR-24 coordinately upregulates endothelial cell expression and secretion of von Willebrand factor
Xiang Y, Cheng J, Wang D, Hu X, Xie Y, Stitham J, Atteya G, Du J, Tang WH, Lee SH, Leslie K, Spollett G, Liu Z, Herzog E, Herzog RI, Lu J, Martin KA, Hwa J. Hyperglycemia repression of miR-24 coordinately upregulates endothelial cell expression and secretion of von Willebrand factor. Blood 2015, 125: 3377-3387. PMID: 25814526, PMCID: PMC4447857, DOI: 10.1182/blood-2015-01-620278.Peer-Reviewed Original ResearchConceptsVon Willebrand factorDiabetes mellitusMiR-24Diabetic patientsAdverse thrombotic eventsThrombotic cardiovascular eventsVWF expressionWillebrand factorDiabetic mouse modelNovel therapeutic targetHistamine H1 receptorsEndothelial cell expressionHyperglycemia-induced activationCardiovascular eventsThrombotic eventsH1 receptorsMouse modelVWF levelsTherapeutic targetCell expressionMellitusPatientsEndothelial cellsElevated levelsReactive oxygen species
2014
Aldose Reductase–Mediated Phosphorylation of p53 Leads to Mitochondrial Dysfunction and Damage in Diabetic Platelets
Tang WH, Stitham J, Jin Y, Liu R, Lee SH, Du J, Atteya G, Gleim S, Spollett G, Martin K, Hwa J. Aldose Reductase–Mediated Phosphorylation of p53 Leads to Mitochondrial Dysfunction and Damage in Diabetic Platelets. Circulation 2014, 129: 1598-1609. PMID: 24474649, PMCID: PMC3989377, DOI: 10.1161/circulationaha.113.005224.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAldehyde ReductaseAnimalsApoptosisBcl-X ProteinBlood PlateletsCarotid Artery DiseasesDiabetes Mellitus, ExperimentalDiabetes Mellitus, Type 2Disease Models, AnimalFemaleHumansMaleMiceMice, Inbred C57BLMice, KnockoutMiddle AgedMitochondrial DiseasesPhosphorylationSignal TransductionThrombosisTumor Suppressor Protein p53ConceptsMitochondrial dysfunctionHyperglycemia-induced mitochondrial dysfunctionP53 phosphorylationAntiapoptotic protein Bcl-xL.Platelet apoptosisMitochondrial damageMitochondrial membrane potentialReductase activationActivation of p53Reactive oxygen species productionOxygen species productionBcl-xL.Molecular pathwaysSevere mitochondrial damagePhosphorylationNovel therapeutic targetAldose reductase activationSpecies productionMembrane potentialApoptosisCentral roleTherapeutic targetDose-dependent mannerActivationP53