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 responseMicroglia constitute a barrier that prevents neurotoxic protofibrillar Aβ42 hotspots around plaques
Condello C, Yuan P, Schain A, Grutzendler J. Microglia constitute a barrier that prevents neurotoxic protofibrillar Aβ42 hotspots around plaques. Nature Communications 2015, 6: 6176. PMID: 25630253, PMCID: PMC4311408, DOI: 10.1038/ncomms7176.Peer-Reviewed Original Research
2017
Oxalate-curcumin–based probe for micro- and macroimaging of reactive oxygen species in Alzheimer’s disease
Yang J, Zhang X, Yuan P, Yang J, Xu Y, Grutzendler J, Shao Y, Moore A, Ran C. Oxalate-curcumin–based probe for micro- and macroimaging of reactive oxygen species in Alzheimer’s disease. Proceedings Of The National Academy Of Sciences Of The United States Of America 2017, 114: 12384-12389. PMID: 29109280, PMCID: PMC5703278, DOI: 10.1073/pnas.1706248114.Peer-Reviewed Original ResearchConceptsCerebral amyloid angiopathyAD brainAlzheimer's diseaseTwo-photon imagingNIRF imagingAmyloid-beta plaquesROS levelsIrreversible neurodegenerative disorderAD pathological conditionsAge-related increaseReactive oxygen species levelsAmyloid angiopathyBeta plaquesOxygen species levelsDrug treatmentHealthy brainNeurodegenerative disordersDiseaseOxidative stressHigh ROS levelsPathological conditionsReactive oxygen speciesBrainFluorescence imaging probeOxygen species
2014
A bifunctional curcumin analogue for two-photon imaging and inhibiting crosslinking of amyloid beta in Alzheimer's disease
Zhang X, Tian Y, Yuan P, Li Y, Yaseen MA, Grutzendler J, Moore A, Ran C. A bifunctional curcumin analogue for two-photon imaging and inhibiting crosslinking of amyloid beta in Alzheimer's disease. Chemical Communications 2014, 50: 11550-11553. PMID: 25134928, PMCID: PMC4617557, DOI: 10.1039/c4cc03731f.Peer-Reviewed Original Research
2011
Transcranial Two-Photon Imaging of the Living Mouse Brain
Grutzendler J, Yang G, Pan F, Parkhurst CN, Gan WB. Transcranial Two-Photon Imaging of the Living Mouse Brain. Cold Spring Harbor Protocols 2011, 2011: pdb.prot065474. PMID: 21880826, PMCID: PMC4641516, DOI: 10.1101/pdb.prot065474.Peer-Reviewed Original ResearchConceptsMouse brainAxonal varicositiesSurgical proceduresDendritic spinesSide effectsBrain cellsTwo-photon imagingInvasive methodBlood vesselsSame animalsPathological conditionsTwo-photon microscopyIntact skullBrainTranscranialImagingMicrogliaSurgeryVaricositiesImaging methodNeuronsLong time intervalsSpine
2006
Two-photon imaging of synaptic plasticity and pathology in the living mouse brain
Grutzendler J, Gan WB. Two-photon imaging of synaptic plasticity and pathology in the living mouse brain. Neurotherapeutics 2006, 3: 489-496. PMID: 17012063, PMCID: PMC3593400, DOI: 10.1016/j.nurx.2006.07.005.Peer-Reviewed Original ResearchConceptsTwo-photon microscopyMouse brainAcute brain injuryPostsynaptic dendritic spinesAdult mouse brainCerebral ischemiaSynaptic pathologyCerebrovascular diseaseBrain injuryMouse modelDendritic spinesAnimal modelsBrain cellsIntact brainTwo-photon imagingNeuronal connectionsSynaptic plasticityAlzheimer's diseaseNeuronal structuresDiseaseBrainStructural plasticityPathologyTechnical considerationsIschemia
2004
Fibrillar amyloid deposition leads to local synaptic abnormalities and breakage of neuronal branches
Tsai J, Grutzendler J, Duff K, Gan WB. Fibrillar amyloid deposition leads to local synaptic abnormalities and breakage of neuronal branches. Nature Neuroscience 2004, 7: 1181-1183. PMID: 15475950, DOI: 10.1038/nn1335.Peer-Reviewed Original ResearchConceptsFibrillar amyloid depositionAmyloid depositionAlzheimer's diseaseTransgenic mouse modelImportance of preventionFibrillar amyloid depositsSpine lossNearby axonsNeuronal labelingEarly clearanceLarge varicositiesAmyloid plaquesMouse modelNeuronal circuitryAmyloid depositsTwo-photon imagingNeuronal connectionsSynaptic abnormalitiesNeuronal branchesPermanent disruptionPlaquesDiseaseAtrophyVaricositiesPathogenesis