2023
Repeated intravenous infusion of mesenchymal stem cells enhances recovery of motor function in a rat model with chronic spinal cord injury
Kurihara K, Sasaki M, Nagahama H, Obara H, Fukushi R, Hirota R, Yoshimoto M, Teramoto A, Kocsis J, Yamashita T, Honmou O. Repeated intravenous infusion of mesenchymal stem cells enhances recovery of motor function in a rat model with chronic spinal cord injury. Brain Research 2023, 1817: 148484. PMID: 37442249, DOI: 10.1016/j.brainres.2023.148484.Peer-Reviewed Original ResearchConceptsSpinal cord injuryInfusion of MSCsChronic spinal cord injuryMesenchymal stem cellsAxonal sproutingCord injuryHD-MSCsIntravenous infusionMotor functionVehicle groupWeek 6Single high-dose infusionInjection of MSCsChronic SCI ratsSingle MSC injectionGreater functional recoveryRat SCI modelSingle intravenous infusionHigh-dose infusionLimited treatment optionsGreater functional improvementSingle high doseHigh disease burdenVivo diffusion tensor imagingEx vivo diffusion tensor imaging
2022
Enhanced Network in Corticospinal Tracts after Infused Mesenchymal Stem Cells in Spinal Cord Injury
Hirota R, Sasaki M, Kataoka-Sasaki Y, Oshigiri T, Kurihara K, Fukushi R, Oka S, Ukai R, Yoshimoto M, Kocsis JD, Yamashita T, Honmou O. Enhanced Network in Corticospinal Tracts after Infused Mesenchymal Stem Cells in Spinal Cord Injury. Journal Of Neurotrauma 2022, 39: 1665-1677. PMID: 35611987, PMCID: PMC9734021, DOI: 10.1089/neu.2022.0106.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAxonsMammalsMesenchymal Stem CellsNerve RegenerationPyramidal TractsRecovery of FunctionSpinal CordSpinal Cord InjuriesConceptsSpinal cord injuryCorticospinal tractMesenchymal stem cellsCord injurySpinal cordSpontaneous recoveryInfused mesenchymal stem cellsLimited spontaneous recoveryDorsal corticospinal tractLateral corticospinal tractStem cellsCST pathwayCST projectionsSCI inductionMSC infusionAxonal sproutingFunctional recoveryLateral funiculusIntravenous infusionAxonal tracerLesion coreMotor pathwaysFunctional improvementCircuit reorganizationMajor projections
2009
BDNF-Hypersecreting Human Mesenchymal Stem Cells Promote Functional Recovery, Axonal Sprouting, and Protection of Corticospinal Neurons after Spinal Cord Injury
Sasaki M, Radtke C, Tan AM, Zhao P, Hamada H, Houkin K, Honmou O, Kocsis JD. BDNF-Hypersecreting Human Mesenchymal Stem Cells Promote Functional Recovery, Axonal Sprouting, and Protection of Corticospinal Neurons after Spinal Cord Injury. Journal Of Neuroscience 2009, 29: 14932-14941. PMID: 19940189, PMCID: PMC2825276, DOI: 10.1523/jneurosci.2769-09.2009.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBrain-Derived Neurotrophic FactorCells, CulturedCytoprotectionDisease Models, AnimalFemaleGene ExpressionGenetic VectorsGrowth ConesHumansMesenchymal Stem Cell TransplantationNerve RegenerationNeuronal PlasticityPyramidal TractsRatsRats, Sprague-DawleyRecovery of FunctionSpinal Cord InjuriesTransfectionTransplantation, HeterologousTreatment OutcomeConceptsSpinal cord injuryMesenchymal stem cellsCord injuryFunctional outcomeBone marrowAcute spinal cord injuryBrain-derived neurotrophic factorCorticospinal tract neuronsNumber of FGImproved functional outcomesPrimary motor cortexSpinal gray matterPotential therapeutic effectsStem cellsM1 cortexTransection lesionCorticospinal neuronsTract neuronsAxonal sproutingFunctional recoveryVentral hornNeuronal densitySerotonergic fibersLesion cavityMotor cortex
2007
Remyelination of the injured spinal cord
Sasaki M, Li B, Lankford KL, Radtke C, Kocsis JD. Remyelination of the injured spinal cord. Progress In Brain Research 2007, 161: 419-433. PMID: 17618995, PMCID: PMC2605400, DOI: 10.1016/s0079-6123(06)61030-3.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAxonsCell TransplantationHumansMyelin SheathNerve RegenerationPyramidal TractsSpinal Cord InjuriesConceptsSpinal cord injuryFunctional outcomeSpinal cordContusive spinal cord injuryLong white matter tractsPotential cell therapy candidatesWhite matter tractsMyelin-forming cellsCell therapy candidatesCord injuryCentral necrotic coreClinical studiesTherapy candidatesNecrotic coreTransplantation studiesExperimental modelCordOutcomesCellsDemyelinationRemyelinationInjuryNecrosisOECsAxons
2005
Protection of corticospinal tract neurons after dorsal spinal cord transection and engraftment of olfactory ensheathing cells
Sasaki M, Hains BC, Lankford KL, Waxman SG, Kocsis JD. Protection of corticospinal tract neurons after dorsal spinal cord transection and engraftment of olfactory ensheathing cells. Glia 2005, 53: 352-359. PMID: 16288464, PMCID: PMC2605395, DOI: 10.1002/glia.20285.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBenzimidazolesCell CountCell SeparationCell SurvivalCell TransplantationEnzyme-Linked Immunosorbent AssayFluorescent DyesImage Processing, Computer-AssistedImmunohistochemistryIn Situ Nick-End LabelingMotor ActivityNeuronsOlfactory PathwaysPyramidal TractsRatsSpinal Cord InjuriesStilbamidinesConceptsCorticospinal tract neuronsSpinal cordTract neuronsNeuronal lossOEC transplantationDorsal spinal cord transectionPrimary motor cortexCortical projection neuronsSpinal cord transectionTransplantation of olfactoryRat spinal cordOlfactory Ensheathing CellsApoptotic cortical neuronsBDNF levelsNeuroprotective effectsCord transectionFunctional outcomeMotor cortexNeurotrophic moleculesProjection neuronsAxonal regenerationCortical neuronsInjury zoneTransplantationOECs