Platelet-derived miR-223 promotes a phenotypic switch in arterial injury repair
Zeng Z, Xia L, Fan X, Ostriker AC, Yarovinsky T, Su M, Zhang Y, Peng X, Xie Y, Pi L, Gu X, Chung SK, Martin KA, Liu R, Hwa J, Tang WH. Platelet-derived miR-223 promotes a phenotypic switch in arterial injury repair. Journal Of Clinical Investigation 2019, 129: 1372-1386. PMID: 30645204, PMCID: PMC6391113, DOI: 10.1172/jci124508.Peer-Reviewed Original ResearchConceptsArterial injuryInjury repairMiR-223Intimal hyperplasiaVSMC dedifferentiationArterial injury repairArterial wire injuryPlatelet-derived miRNAsVascular injury repairVSMC phenotypic switchingInjury-induced dedifferentiationMiR-223 mimicsDiabetic miceEndothelial denudationWire injuryReporter miceUptake of GFPInjuryHyperplasiaVSMCsReduced expressionVivo studiesPhenotypic switchMiceSignificant increaseLMO7 Is a Negative Feedback Regulator of Transforming Growth Factor β Signaling and Fibrosis
Xie Y, Ostriker AC, Jin Y, Hu H, Sizer AJ, Peng G, Morris AH, Ryu C, Herzog EL, Kyriakides T, Zhao H, Dardik A, Yu J, Hwa J, Martin KA. LMO7 Is a Negative Feedback Regulator of Transforming Growth Factor β Signaling and Fibrosis. Circulation 2019, 139: 679-693. PMID: 30586711, PMCID: PMC6371979, DOI: 10.1161/circulationaha.118.034615.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell ProliferationCells, CulturedDisease Models, AnimalExtracellular MatrixFeedback, PhysiologicalFibrosisHyperplasiaIntegrin alphaVbeta3LIM Domain ProteinsMaleMice, Inbred C57BLMice, KnockoutMuscle, Smooth, VascularMyocytes, Smooth MuscleNeointimaSignal TransductionTranscription Factor AP-1Transcription FactorsTransforming Growth Factor beta1Vascular RemodelingVascular System InjuriesConceptsSmooth muscle cellsActivator protein-1 (AP-1) transcription factorExtracellular matrixProtein-1 transcription factorTransforming Growth Factor β SignalingGrowth factor β signalingMouse smooth muscle cellsTGF-β1 target genesHuman smooth muscle cellsActivator protein-1Muscle-specific deletionNegative feedback regulatorTGF-β pathwayECM protein expressionSmad3 phosphorylationNegative feedback regulationTranscription factorsArteriovenous fistulaECM depositionDomain interactsTGF-β proteinTarget genesLMO7TGF-β treatmentGrowth factor β