Featured Publications
Long-term dendritic spine stability in the adult cortex
Grutzendler J, Kasthuri N, Gan WB. Long-term dendritic spine stability in the adult cortex. Nature 2002, 420: 812-816. PMID: 12490949, DOI: 10.1038/nature01276.Peer-Reviewed Original ResearchConceptsLayer 5 pyramidal neuronsAxo-dendritic synapsesFilopodia-like dendritic protrusionsPrimary visual cortexVisual cortex developmentDendritic spine stabilityTwo-photon imaging techniquePyramidal neuronsDendritic specializationsAdult cortexYoung miceSpine eliminationAdult miceOne-month intervalsNervous systemTransgenic miceSpine stabilityVisual cortexDendritic protrusionsMammalian brainCortex developmentAdult animalsSpineMiceYoung animalsLabel-free in vivo imaging of myelinated axons in health and disease with spectral confocal reflectance microscopy
Schain AJ, Hill RA, Grutzendler J. Label-free in vivo imaging of myelinated axons in health and disease with spectral confocal reflectance microscopy. Nature Medicine 2014, 20: 443-449. PMID: 24681598, PMCID: PMC3981936, DOI: 10.1038/nm.3495.Peer-Reviewed Original Research
2022
Oligodendroglial macroautophagy is essential for myelin sheath turnover to prevent neurodegeneration and death
Aber ER, Griffey CJ, Davies T, Li AM, Yang YJ, Croce KR, Goldman JE, Grutzendler J, Canman JC, Yamamoto A. Oligodendroglial macroautophagy is essential for myelin sheath turnover to prevent neurodegeneration and death. Cell Reports 2022, 41: 111480. PMID: 36261002, PMCID: PMC9639605, DOI: 10.1016/j.celrep.2022.111480.Peer-Reviewed Original ResearchConceptsCell typesLive-cell imagingNeurodegenerative disease pathophysiologySuch cell typesMouse geneticsAdult-onset neurodegenerative diseaseMacroautophagyCell imagingNeurodegenerative diseasesMyelin proteinsNeurodegenerationDisease pathophysiologyTurnoverMature oligodendrocytesCentral nervous systemAmphisomesMyelin sheath structureNeural functionNervous systemMyelin turnoverGeneticsMyelin sheathProgressive motor declineProteinHomeostasis
2009
Ballistic delivery of dyes for structural and functional studies of the nervous system.
Gan WB, Grutzendler J, Wong RO, Lichtman JW. Ballistic delivery of dyes for structural and functional studies of the nervous system. Cold Spring Harbor Protocols 2009, 2009: pdb.prot5202. PMID: 20147144, PMCID: PMC2916724, DOI: 10.1101/pdb.prot5202.Peer-Reviewed Original Research
2004
Age‐associated synapse elimination in mouse parasympathetic ganglia
Coggan JS, Grutzendler J, Bishop DL, Cook MR, Gan W, Heym J, Lichtman JW. Age‐associated synapse elimination in mouse parasympathetic ganglia. Developmental Neurobiology 2004, 60: 214-226. PMID: 15266652, DOI: 10.1002/neu.20022.Peer-Reviewed Original ResearchConceptsSynapse eliminationExcitatory postsynaptic potential amplitudeSubmandibular ganglion neuronsPostsynaptic potential amplitudeNumber of synapsesMonths of ageMammalian nervous systemAge-related changesMiniature EPSPsSMG neuronsSynapse efficacyParasympathetic gangliaGanglion neuronsEPSP amplitudeSynaptic contactsSynaptic transmissionSynaptic inputsAged animalsPotential amplitudeNervous systemSynaptic boutonsAxonal processesNeuronsOld animalsPostsynaptic membrane
2000
Multicolor “DiOlistic” Labeling of the Nervous System Using Lipophilic Dye Combinations
Gan W, Grutzendler J, Wong W, Wong R, Lichtman J. Multicolor “DiOlistic” Labeling of the Nervous System Using Lipophilic Dye Combinations. Neuron 2000, 27: 219-225. PMID: 10985343, DOI: 10.1016/s0896-6273(00)00031-3.Peer-Reviewed Original ResearchConceptsNervous systemGolgi-like labelingNormal synaptic responsesComplex neuronal networksDendritic remodelingSynaptic responsesNeuronal preparationsNeuronal connectivityNeuronal circuitsIndividual neuronsNeuronsDye-coated particlesGene gunNeuronal networksStructural plasticityLipophilic dyeCellsGliaDiOlisticsLabeling