2024
A Concept of “Athero-Oncology”: Tumor-Like Smooth Muscle Cells Drive Atherosclerosis
Chatterjee P, Martin K. A Concept of “Athero-Oncology”: Tumor-Like Smooth Muscle Cells Drive Atherosclerosis. Circulation 2024, 149: 1899-1902. PMID: 38857330, DOI: 10.1161/circulationaha.124.069446.Peer-Reviewed Original ResearchAbstract 2121: SUV39H1 Mediated Regulation Of KLF4 And KDM4a Coordinate Smooth Muscle Cell Phenotypic Plasticity
Chatterjee P, Chakraborty R, Sizer A, Xie Y, Hwa J, Martin K. Abstract 2121: SUV39H1 Mediated Regulation Of KLF4 And KDM4a Coordinate Smooth Muscle Cell Phenotypic Plasticity. Arteriosclerosis Thrombosis And Vascular Biology 2024, 44 DOI: 10.1161/atvb.44.suppl_1.2121.Peer-Reviewed Original ResearchRNA-seqPhenotypic plasticityEpigenetic regulationH3K9me3 repressive marksRNA-seq transcriptomicsContractile genesEpigenetic transcriptional repressionCell phenotypic plasticityH3K9me3 markExpression of SUV39H1Repressive marksTranscriptional repressionChromatin immunoprecipitationHistone methyltransferaseDedifferentiation in vitroIn vivoSUV39H1 knockdownH3K9me3MRNA stabilitySUV39H1Gene expressionPlasticity of vascular smooth muscle cellsRegulation of Klf4GenesH3K9me3 expressionAbstract 1147: Crosstalk Between Alk5 And Mtorc1 Signaling Promotes VSMC Differentiation And The Therapeutic Effect Of Rapamycin
Chakraborty R, Chatterjee P, Dave J, Obrien B, Joshi D, Schulz V, Greif D, Hwa J, Gallagher P, Martin K. Abstract 1147: Crosstalk Between Alk5 And Mtorc1 Signaling Promotes VSMC Differentiation And The Therapeutic Effect Of Rapamycin. Arteriosclerosis Thrombosis And Vascular Biology 2024, 44 DOI: 10.1161/atvb.44.suppl_1.1147.Peer-Reviewed Original ResearchVascular smooth muscle cellsTherapeutic effect of rapamycinEffects of rapamycinVSMC differentiationContractile genesConsistent with in vitro findingsRapamycin treatmentCarotid artery injuryHuman coronary artery SMCsVascular smooth muscle cell differentiationIntimal hyperplasiaSmooth muscle cellsCoronary artery SMCsMTORC1 inhibitor rapamycinPhosphorylation of Smad2/3Inhibition of ALK5Smad-binding elementSmad transcription factorsALK5 activityArterial injuryArtery SMCsKnockout miceInhibition of mTORC1Vascular smooth muscle cell plasticityMuscle cells
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
2021
Targeting smooth muscle cell phenotypic switching in vascular disease
Chakraborty R, Chatterjee P, Dave JM, Ostriker AC, Greif DM, Rzucidlo EM, Martin KA. Targeting smooth muscle cell phenotypic switching in vascular disease. JVS Vascular Science 2021, 2: 79-94. PMID: 34617061, PMCID: PMC8489222, DOI: 10.1016/j.jvssci.2021.04.001.Peer-Reviewed Original ResearchSingle-cell transcriptomicsVascular smooth muscle cellsVSMC phenotypic modulationPhenotypic plasticityCell transcriptomicsPhenotypic modulationMature vascular smooth muscle cellsSmooth muscle cell phenotypicLineage tracing methodStriking diversityFundamental new insightsMolecular mechanismsFate mappingRemarkable plasticityBromodomain inhibitorsHistone deacetylasePhenotypic switchingPharmacologic inhibitorsGenetic targetingVSMC phenotypicDruggable pathwaysSmooth muscle cellsOligoclonal lesionsTranscriptomicsRecent discovery