2018
The Rab-effector protein RABEP2 regulates endosomal trafficking to mediate vascular endothelial growth factor receptor-2 (VEGFR2)-dependent signaling
Kofler N, Corti F, Rivera-Molina F, Deng Y, Toomre D, Simons M. The Rab-effector protein RABEP2 regulates endosomal trafficking to mediate vascular endothelial growth factor receptor-2 (VEGFR2)-dependent signaling. Journal Of Biological Chemistry 2018, 293: 4805-4817. PMID: 29425100, PMCID: PMC5880142, DOI: 10.1074/jbc.m117.812172.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsEndosomesEndothelial CellsMiceMice, Inbred BALB CProtein TransportProtein Tyrosine Phosphatase, Non-Receptor Type 1Rab GTP-Binding ProteinsRab4 GTP-Binding ProteinsRab7 GTP-Binding ProteinsSignal TransductionVascular Endothelial Growth Factor Receptor-2Vesicular Transport ProteinsConceptsEndosomal traffickingVascular endothelial growth factor receptor 2Phosphotyrosine phosphatase 1BVEGFR2 traffickingEndothelial growth factor receptor 2Small GTPase Rab4Rab effector proteinsEndothelial cell functionRab7-positive endosomesCell functionRab GTPaseSorting endosomesCell surface expressionMaster regulatorEndosomal compartmentsVEGFR2 degradationPhosphatase 1BRABEP2Dependent signalingVascular developmentVEGFR2 signalingHigh-resolution microscopyTraffickingEndosomesBiochemical assays
2016
Staphylococcus aureus recruits Cdc42GAP through recycling endosomes and the exocyst to invade human endothelial cells
Rauch L, Hennings K, Trasak C, Röder A, Schröder B, Koch-Nolte F, Rivera-Molina F, Toomre D, Aepfelbacher M. Staphylococcus aureus recruits Cdc42GAP through recycling endosomes and the exocyst to invade human endothelial cells. Journal Of Cell Science 2016, 129: 2937-2949. PMID: 27311480, PMCID: PMC5004874, DOI: 10.1242/jcs.186213.Peer-Reviewed Original ResearchConceptsEndocytic vesiclesActin polymerizationEndothelial cell invasionExocyst complexPhagocytic cupsPhagocytic cup-like structuresCell invasionPhagocytic cup closureArp2/3 complexN-WASPCup closureCup-like structuresCdc42GAPCdc42Human endothelial cellsCell functionVesiclesAnalogous mechanismInvasionEndothelial cellsExocystComplexesEndosomes
2013
Live-cell imaging of exocyst links its spatiotemporal dynamics to various stages of vesicle fusion
Rivera-Molina F, Toomre D. Live-cell imaging of exocyst links its spatiotemporal dynamics to various stages of vesicle fusion. Journal Of Cell Biology 2013, 201: 673-680. PMID: 23690179, PMCID: PMC3664709, DOI: 10.1083/jcb.201212103.Peer-Reviewed Original ResearchMeSH KeywordsCell LineCell MembraneExocytosisFluorescence Recovery After PhotobleachingHeLa CellsHumansMembrane FusionMicroscopy, FluorescenceSNARE ProteinsVesicular Transport ProteinsConceptsLive-cell imagingVesicle fusionEndocytic recycling compartmentAttachment protein receptorsSNARE fusion machineryExocyst complexMembrane traffickingFusion machineryRecycling compartmentCell cortexSec8Cell protrusionsPlasma membraneVesicle attachmentFusion poreMembrane expansionProtein receptorsCell polarizationFluorescence recoverySpatiotemporal dynamicsExocystUbiquitous roleVesiclesTraffickingMorphological criteriaThe Neuropilin 1 Cytoplasmic Domain Is Required for VEGF-A-Dependent Arteriogenesis
Lanahan A, Zhang X, Fantin A, Zhuang Z, Rivera-Molina F, Speichinger K, Prahst C, Zhang J, Wang Y, Davis G, Toomre D, Ruhrberg C, Simons M. The Neuropilin 1 Cytoplasmic Domain Is Required for VEGF-A-Dependent Arteriogenesis. Developmental Cell 2013, 25: 156-168. PMID: 23639442, PMCID: PMC3774154, DOI: 10.1016/j.devcel.2013.03.019.Peer-Reviewed Original ResearchAnimalsArteriesCells, CulturedCytoplasmEndocytosisEndosomesEndothelium, VascularMAP Kinase Signaling SystemMiceMorphogenesisNeovascularization, PathologicNeuropilin-1PhosphorylationSignal TransductionTransferrinVascular Endothelial Growth Factor AVascular Endothelial Growth Factor Receptor-2Vesicular Transport Proteins