2021
Macrophage-derived PDGF-B induces muscularization in murine and human pulmonary hypertension
Ntokou A, Dave JM, Kauffman AC, Sauler M, Ryu C, Hwa J, Herzog EL, Singh I, Saltzman WM, Greif DM. Macrophage-derived PDGF-B induces muscularization in murine and human pulmonary hypertension. JCI Insight 2021, 6: e139067. PMID: 33591958, PMCID: PMC8026182, DOI: 10.1172/jci.insight.139067.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsHumansHypertension, PulmonaryMacrophagesMiceMuscle, SmoothProto-Oncogene Proteins c-sisConceptsRight ventricle hypertrophyPulmonary hypertensionDistal muscularizationSmooth muscle cellsHypoxia-inducible factor 2APulmonary arterial hypertension patientsLysM-Cre miceArterial hypertension patientsHuman pulmonary hypertensionHypoxia-inducible factor 1aPlatelet-derived growth factorMacrophage-conditioned mediumVentricle hypertrophyHypertension patientsDistal arteriolesMacrophage accumulationFl miceCardiovascular diseaseInterventional strategiesMuscularizationHypoxia exposureExcess macrophagesSMC proliferationLethal diseaseMuscle cells
2018
NCK-dependent pericyte migration promotes pathological neovascularization in ischemic retinopathy
Dubrac A, Künzel SE, Künzel SH, Li J, Chandran RR, Martin K, Greif DM, Adams RH, Eichmann A. NCK-dependent pericyte migration promotes pathological neovascularization in ischemic retinopathy. Nature Communications 2018, 9: 3463. PMID: 30150707, PMCID: PMC6110853, DOI: 10.1038/s41467-018-05926-7.Peer-Reviewed Original ResearchConceptsNeovascular tuftsPericyte migrationMural cellsPathological neovascular tuftsPDGF-B overexpressionTreatment of retinopathyOxygen-induced retinopathyCapillary barrier functionΑ-SMA expressionPlatelet-derived growth factor receptorPlatelet-derived growth factorPhosphorylation of PDGFRβGrowth factor receptorIschemic retinopathyProliferative retinopathyEndothelial-specific knockoutVascular leakagePericyte depletionPathological neovascularizationGenetic lineage tracingMouse modelPericyte proliferationNck2 adaptor proteinRetinopathyBarrier function
2012
Radial Construction of an Arterial Wall
Greif DM, Kumar M, Lighthouse JK, Hum J, An A, Ding L, Red-Horse K, Espinoza FH, Olson L, Offermanns S, Krasnow MA. Radial Construction of an Arterial Wall. Developmental Cell 2012, 23: 482-493. PMID: 22975322, PMCID: PMC3500096, DOI: 10.1016/j.devcel.2012.07.009.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell DivisionLungMesodermMiceMice, TransgenicProto-Oncogene Proteins c-sisPulmonary ArteryRadial ArterySignal TransductionConceptsInner layer cellsCoordinated processGenetic analysisSuccessive cell layersVessel-specific differencesSignaling pathwaysCell reorientationSequential inductionEndothelial tubesSignal gradientMuscle cellsSignal contributesSerious diseaseCellsCell layerLayer cellsRadial migrationMesenchymeConcentric layersPathwayArterial wallPDGFInvasionInductionArtery wall