2022
Histone Acetyltransferases p300 and CBP Coordinate Distinct Chromatin Remodeling Programs in Vascular Smooth Muscle Plasticity
Chakraborty R, Ostriker AC, Xie Y, Dave JM, Gamez-Mendez A, Chatterjee P, Abu Y, Valentine J, Lezon-Geyda K, Greif DM, Schulz VP, Gallagher PG, Sessa WC, Hwa J, Martin KA. Histone Acetyltransferases p300 and CBP Coordinate Distinct Chromatin Remodeling Programs in Vascular Smooth Muscle Plasticity. Circulation 2022, 145: 1720-1737. PMID: 35502657, DOI: 10.1161/circulationaha.121.057599.Peer-Reviewed Original ResearchConceptsHistone acetylationContractile genesContractile protein expressionPhenotypic switchingHistone acetyl transferase p300Human intimal hyperplasiaPlatelet-derived growth factor treatmentAcetyl transferase p300Key regulatory mechanismSmooth muscle cell phenotypeP300 expressionP300-dependent acetylationSmooth muscle plasticityDistinct functional interactionsMuscle cell phenotypeProtein expressionIntimal hyperplasiaRole of p300Methylcytosine dioxygenase TET2Chromatin modificationsEpigenetic regulationVSMC phenotypic switchingSpecific histoneCardiovascular diseaseMaster regulator
2019
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 increase