Chemokine-coupled β2 integrin–induced macrophage Rac2–Myosin IIA interaction regulates VEGF-A mRNA stability and arteriogenesis
Morrison AR, Yarovinsky TO, Young BD, Moraes F, Ross TD, Ceneri N, Zhang J, Zhuang ZW, Sinusas AJ, Pardi R, Schwartz MA, Simons M, Bender JR. Chemokine-coupled β2 integrin–induced macrophage Rac2–Myosin IIA interaction regulates VEGF-A mRNA stability and arteriogenesis. Journal Of Experimental Medicine 2014, 211: 1957-1968. PMID: 25180062, PMCID: PMC4172219, DOI: 10.1084/jem.20132130.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsArteriesCD18 AntigensDNA PrimersFlow CytometryHumansMiceMice, Inbred C57BLMonocytesNeovascularization, PhysiologicNonmuscle Myosin Type IIARac GTP-Binding ProteinsReal-Time Polymerase Chain ReactionReceptors, CCR2RNA StabilityVascular Endothelial Growth Factor AX-Ray MicrotomographyConceptsMyosin IIASignal transduction eventsHuR translocationRapid nuclearTransduction eventsProteomic analysisProtein HuR.Induction of arteriogenesisMRNA stabilityMRNA stabilizationNovel roleCytosolic translocationMyosin-9ICAM-1 adhesionReceptor engagementDevelopmental vasculogenesisCellular effectorsMolecular triggersTranslocationHeavy chainGrowth factorMyeloid cellsVascular endothelial growth factorKey molecular triggerCCL2 stimulationCeramide-Activated Phosphatase Mediates Fatty Acid–Induced Endothelial VEGF Resistance and Impaired Angiogenesis
Mehra VC, Jackson E, Zhang XM, Jiang XC, Dobrucki LW, Yu J, Bernatchez P, Sinusas AJ, Shulman GI, Sessa WC, Yarovinsky TO, Bender JR. Ceramide-Activated Phosphatase Mediates Fatty Acid–Induced Endothelial VEGF Resistance and Impaired Angiogenesis. American Journal Of Pathology 2014, 184: 1562-1576. PMID: 24606881, PMCID: PMC4005977, DOI: 10.1016/j.ajpath.2014.01.009.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAortaArteriesCattleCeramidesDiet, High-FatEndothelial CellsEnzyme ActivationExtracellular Signal-Regulated MAP KinasesHaploinsufficiencyHindlimbHumansIschemiaMice, Inbred C57BLNeovascularization, PhysiologicNitric OxideNitric Oxide Synthase Type IIIPalmitic AcidPhosphorylationProtein Phosphatase 2Proto-Oncogene Proteins c-aktSerine C-PalmitoyltransferaseSignal TransductionVascular Endothelial Growth Factor AConceptsPP2A inhibitor okadaic acidProtein phosphatase 2AInhibitor okadaic acidVEGF-induced signalingSerine palmitoyltransferase inhibitor myriocinDe novo ceramide synthesisPhosphatase 2AENOS agonistsNovo ceramide synthesisPalmitic acidAngiogenic responsePotential molecular targetsOkadaic acidEndothelial cellsEarly speciesEndothelial cell responsesCord formationVEGFR2 phosphorylationSaturated free fatty acidVEGF resistanceCeramide synthesisResistance mechanismsMolecular targetsVascular homeostasisPhosphorylation