Featured Publications
ATP mediates rapid microglial response to local brain injury in vivo
Davalos D, Grutzendler J, Yang G, Kim JV, Zuo Y, Jung S, Littman DR, Dustin ML, Gan WB. ATP mediates rapid microglial response to local brain injury in vivo. Nature Neuroscience 2005, 8: 752-758. PMID: 15895084, DOI: 10.1038/nn1472.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateAnimalsApyraseAstrocytesBrainBrain InjuriesCell CommunicationChemotaxisConnexinsGliosisGreen Fluorescent ProteinsMiceMice, TransgenicMicrogliaPhagocytosisPurinergic P2 Receptor AntagonistsReaction TimeReceptors, Purinergic P2Receptors, Purinergic P2Y1Signal TransductionConceptsRapid microglial responseMicroglial processesMicroglial responseBrain injuryG protein-coupled purinergic receptorsLocal brain injuryTraumatic brain injurySite of injuryPrincipal immune cellsPresence of apyraseParenchymal microgliaImmune cellsLocal injectionPurinergic receptorsBaseline motilityIntact brainTwo-photon imagingChannel inhibitorsMouse cortexInjuryExtracellular ATPMicrogliaEnzyme apyraseAstrocytesChemotactic response
2021
Caveolae-mediated Tie2 signaling contributes to CCM pathogenesis in a brain endothelial cell-specific Pdcd10-deficient mouse model
Zhou HJ, Qin L, Jiang Q, Murray KN, Zhang H, Li B, Lin Q, Graham M, Liu X, Grutzendler J, Min W. Caveolae-mediated Tie2 signaling contributes to CCM pathogenesis in a brain endothelial cell-specific Pdcd10-deficient mouse model. Nature Communications 2021, 12: 504. PMID: 33495460, PMCID: PMC7835246, DOI: 10.1038/s41467-020-20774-0.Peer-Reviewed Original ResearchConceptsCerebral cavernous malformationsCCM lesionsSmooth muscle actin-positive pericytesEndothelial cell lossRegions of brainCCM pathogenesisPost-capillary venulesCerebral hemorrhagePharmacological blockadeVascular abnormalitiesEC-specific deletionCavernous malformationsMouse modelCell lossMicrovascular bedGenetic deletionLesion formationLesionsVascular dynamicsBarrier functionMicrovascular structureTwo-photon microscopyTie2PathogenesisMice
2015
Genetic variants associated with autoimmunity drive NFκB signaling and responses to inflammatory stimuli
Housley WJ, Fernandez SD, Vera K, Murikinati SR, Grutzendler J, Cuerdon N, Glick L, De Jager PL, Mitrovic M, Cotsapas C, Hafler DA. Genetic variants associated with autoimmunity drive NFκB signaling and responses to inflammatory stimuli. Science Translational Medicine 2015, 7: 291ra93. PMID: 26062845, PMCID: PMC4574294, DOI: 10.1126/scitranslmed.aaa9223.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAllelesAutoimmunityCase-Control StudiesCD4-Positive T-LymphocytesCell NucleusCytokinesFemaleGenetic Predisposition to DiseaseHumansInflammationMaleMiddle AgedMultiple SclerosisNF-kappa BPolymorphism, Single NucleotideProtein TransportReceptors, Tumor Necrosis Factor, Type IRisk FactorsSex CharacteristicsSignal TransductionTime FactorsTumor Necrosis Factor-alphaConceptsB-cell leukemia 3Multiple sclerosisNegative regulatorInflammatory stimuliGenetic variantsWide association studyDisease susceptibility variantsNaïve CD4 T cellsRapid genetic screeningCD4 T cellsActivation of p65Transcription factor nuclear factor κBExpression of NFκBNuclear factor κBApoptosis 1Cellular inhibitorGG risk genotypeDegradation of inhibitorCentral regulatorAssociation studiesCytokine blockadeUlcerative colitisAutoimmune diseasesTumor necrosisSusceptibility variants
2013
Perturbed neural activity disrupts cerebral angiogenesis during a postnatal critical period
Whiteus C, Freitas C, Grutzendler J. Perturbed neural activity disrupts cerebral angiogenesis during a postnatal critical period. Nature 2013, 505: 407-411. PMID: 24305053, PMCID: PMC3947100, DOI: 10.1038/nature12821.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnimals, NewbornBlood VesselsCapillariesCell ProliferationCerebral CortexCerebrovascular CirculationDendritic SpinesEndothelial CellsFemaleHypoxia, BrainInterneuronsMaleMiceMicrocirculationNeovascularization, PathologicNeovascularization, PhysiologicNeurogliaNeuronsNG-Nitroarginine Methyl EsterNitric OxideNitric Oxide SynthaseOxygenSignal TransductionTime FactorsVibrissae