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
2021
Intravenous infusion of auto serum-expanded autologous mesenchymal stem cells in spinal cord injury patients: 13 case series
Honmou O, Yamashita T, Morita T, Oshigiri T, Hirota R, Iyama S, Kato J, Sasaki Y, Ishiai S, Ito YM, Namioka A, Namioka T, Nakazaki M, Kataoka-Sasaki Y, Onodera R, Oka S, Sasaki M, Waxman SG, Kocsis JD. Intravenous infusion of auto serum-expanded autologous mesenchymal stem cells in spinal cord injury patients: 13 case series. Clinical Neurology And Neurosurgery 2021, 203: 106565. PMID: 33667953, DOI: 10.1016/j.clineuro.2021.106565.Peer-Reviewed Original ResearchConceptsSpinal cord injuryAmerican Spinal Injury Association Impairment ScaleMSC infusionAutologous mesenchymal stem cellsASIA CASIA DIntravenous infusionMesenchymal stem cellsSCI patientsFunctional statusFunctional improvementSpinal cord injury patientsSpinal Cord Independence MeasureASIA B patientsASIA C patientsPhase 2 studySerious adverse eventsCord injury patientsCurrent therapeutic optionsStem cellsASIA BASIA gradeC patientsNeurologic improvementAdverse eventsPostoperative spinal cord ischaemia: magnetic resonance imaging and clinical features
Yasuda N, Kuroda Y, Ito T, Sasaki M, Oka S, Ukai R, Nakanishi K, Mikami T, Shibata T, Harada R, Naraoka S, Kamada T, Kawaharada N. Postoperative spinal cord ischaemia: magnetic resonance imaging and clinical features. European Journal Of Cardio-Thoracic Surgery 2021, 60: 164-174. PMID: 33517384, DOI: 10.1093/ejcts/ezaa476.Peer-Reviewed Original ResearchMeSH KeywordsHumansInfarctionMagnetic Resonance ImagingSpinal CordSpinal Cord InjuriesSpinal Cord IschemiaConceptsIschemic spinal cord injurySpinal cord injuryMagnetic resonance imagingSpinal cord levelArtery territoryAortic surgeryAortic eventsCord levelCardiovascular surgeryAnterior spinal artery territoryPosterior spinal artery territoryResonance imagingThoracic spinal cord levelLumbar spinal cord levelsSpinal cord infarctionT2-weighted MRI scansSite of infarctionT2-weighted magnetic resonance imagesHigh-intensity areaCord infarctionInfarction patternArterial territoriesSerious complicationsClinical featuresCord injury
2020
“Chronic” State in Neural Diseases as the Target of Cellular Therapy with Mesenchymal Stem Cells
Sasaki M, Oka S, Kataoka-Sasaki Y, Kocsis JD, Honmou O. “Chronic” State in Neural Diseases as the Target of Cellular Therapy with Mesenchymal Stem Cells. World Neurosurgery 2020, 135: 375-376. PMID: 32143241, DOI: 10.1016/j.wneu.2019.12.137.Peer-Reviewed Original Research
2018
Intravenous Infusion of Mesenchymal Stem Cells Alters Motor Cortex Gene Expression in a Rat Model of Acute Spinal Cord Injury
Oshigiri T, Sasaki T, Sasaki M, Kataoka-Sasaki Y, Nakazaki M, Oka S, Morita T, Hirota R, Yoshimoto M, Yamashita T, Hashimoto-Torii K, Honmou O. Intravenous Infusion of Mesenchymal Stem Cells Alters Motor Cortex Gene Expression in a Rat Model of Acute Spinal Cord Injury. Journal Of Neurotrauma 2018, 36: 411-420. PMID: 29901416, PMCID: PMC6352512, DOI: 10.1089/neu.2018.5793.Peer-Reviewed Original ResearchConceptsSpinal cord injuryInfused mesenchymal stem cellsMesenchymal stem cellsCord injuryIntravenous infusionFunctional improvementAcute spinal cord injuryBlood-spinal cord barrierGene expression signaturesAxonal sproutingFunctional recoveryMotor cortexSystemic infusionVehicle infusionSpinal cordRat modelTherapeutic mechanismImproved functionInfusionTranscription-polymerase chain reaction dataPearson correlation analysisBehavioral functionsExpression signaturesGenome-wide RNA profilingRecent evidence
2016
Intravenous infusion of mesenchymal stem cells promotes functional recovery in a model of chronic spinal cord injury
Morita T, Sasaki M, Kataoka-Sasaki Y, Nakazaki M, Nagahama H, Oka S, Oshigiri T, Takebayashi T, Yamashita T, Kocsis JD, Honmou O. Intravenous infusion of mesenchymal stem cells promotes functional recovery in a model of chronic spinal cord injury. Neuroscience 2016, 335: 221-231. PMID: 27586052, DOI: 10.1016/j.neuroscience.2016.08.037.Peer-Reviewed Original ResearchConceptsSpinal cord injuryIntravenous infusionMesenchymal stem cellsCord injuryBone marrowBlood-spinal cord barrier integrityPhases of SCIChronic spinal cord injuryOpen-field locomotor functionContusive spinal cord injurySevere Contusive Spinal Cord InjuryVehicle-treated groupStem cellsAdult bone marrowBSCB leakageMSC infusionExtensive remyelinationMotor recoveryFunctional recoverySerotonergic fibersCorticospinal tractSystemic infusionFunctional improvementSpinal cordRat model
2015
Diffuse and persistent blood–spinal cord barrier disruption after contusive spinal cord injury rapidly recovers following intravenous infusion of bone marrow mesenchymal stem cells
Matsushita T, Lankford KL, Arroyo EJ, Sasaki M, Neyazi M, Radtke C, Kocsis JD. Diffuse and persistent blood–spinal cord barrier disruption after contusive spinal cord injury rapidly recovers following intravenous infusion of bone marrow mesenchymal stem cells. Experimental Neurology 2015, 267: 152-164. PMID: 25771801, DOI: 10.1016/j.expneurol.2015.03.001.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntigens, SurfaceBlood-Brain BarrierCell- and Tissue-Based TherapyDisease Models, AnimalEndothelial CellsExploratory BehaviorGlial Fibrillary Acidic ProteinLocomotionMaleMesenchymal Stem CellsMicrovesselsPermeabilityRatsRats, Sprague-DawleyRats, TransgenicReceptor, Platelet-Derived Growth Factor betaSpinal Cord InjuriesTime FactorsVon Willebrand FactorConceptsSpinal cord injuryContusive spinal cord injuryBlood-spinal cord barrierBSCB leakageIntravenous infusionMesenchymal stem cellsVon Willebrand factorMSC infusionCord injurySpinal cordBlood-spinal cord barrier disruptionExperimental spinal cord injuryIntravenous MSC infusionSpinal cord barrierEx vivo optical imagingDissociation of pericytesBone marrow mesenchymal stem cellsStem cellsMarrow mesenchymal stem cellsBSCB integrityBSCB permeabilityLocomotor recoveryPost-SCIBarrier disruptionAntigen expression
2011
CNPase Expression in Olfactory Ensheathing Cells
Radtke C, Sasaki M, Lankford KL, Gallo V, Kocsis JD. CNPase Expression in Olfactory Ensheathing Cells. BioMed Research International 2011, 2011: 608496. PMID: 22174557, PMCID: PMC3228405, DOI: 10.1155/2011/608496.Peer-Reviewed Original ResearchConceptsOuter nerve layerOlfactory bulbNerve layerPeripheral nervesCNPase expressionOlfactory nerve axonsTransplantation of OECsSpinal cord injuryEndogenous Schwann cellsExpression of CNPaseTransplantation of olfactoryOlfactory Ensheathing CellsEnhanced green fluorescent proteinMyelination potentialCord injuryAxonal regenerationRegenerated axonsSchwann cellsTransgenic miceNerve axonsPeripheral myelinNerveCNPaseMyelinOECs
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 cortexConvergence of Cells from the Progenitor Fraction of Adult Olfactory Bulb Tissue to Remyelinating Glia in Demyelinating Spinal Cord Lesions
Markakis EA, Sasaki M, Lankford KL, Kocsis JD. Convergence of Cells from the Progenitor Fraction of Adult Olfactory Bulb Tissue to Remyelinating Glia in Demyelinating Spinal Cord Lesions. PLOS ONE 2009, 4: e7260. PMID: 19787061, PMCID: PMC2747269, DOI: 10.1371/journal.pone.0007260.Peer-Reviewed Original ResearchUnique in vivo properties of olfactory ensheathing cells that may contribute to neural repair and protection following spinal cord injury
Kocsis JD, Lankford KL, Sasaki M, Radtke C. Unique in vivo properties of olfactory ensheathing cells that may contribute to neural repair and protection following spinal cord injury. Neuroscience Letters 2009, 456: 137-142. PMID: 19429149, PMCID: PMC2713444, DOI: 10.1016/j.neulet.2008.08.093.Peer-Reviewed Original ResearchConceptsSpinal cord injuryCord injuryLow-affinity NGF receptorSchwann cell transplantationSignificant functional improvementSpinal cord resultsOlfactory receptor axonsPrecise cellular mechanismsCord resultsCell transplantationFunctional outcomeSynaptic contactsAxonal regenerationNasal mucosaFunctional improvementSpinal cordGlial cellsOlfactory bulbReceptor axonsTrophic supportNGF receptorAnimal modelsNeural repairTherapeutic candidateOECs
2008
Potential of olfactory ensheathing cells for cell-based therapy in spinal cord injury
Radtke C, Sasaki M, Lankford KL, Vogt PM, Kocsis JD. Potential of olfactory ensheathing cells for cell-based therapy in spinal cord injury. The Journal Of Rehabilitation Research And Development 2008, 45: 141-152. PMID: 18566933, DOI: 10.1682/jrrd.2007.03.0049.Peer-Reviewed Original ResearchConceptsSpinal cord injuryPeripheral nervous systemCentral nervous systemCord injuryAxonal regenerationNervous systemTreatment of SCIContusive spinal cord injuryPotential of olfactoryPermanent neurological deficitsSpecialized glial cellsCell therapy approachesCell transplantation approachesOEC biologyAxonal lossNeurological deficitsCell-based therapiesFunctional outcomeGlial cellsClinical studiesComplex lesionsMedicine cliniciansMacrophage activationTransplantation approachesInhibitory molecules
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
2004
Identified Olfactory Ensheathing Cells Transplanted into the Transected Dorsal Funiculus Bridge the Lesion and Form Myelin
Sasaki M, Lankford KL, Zemedkun M, Kocsis JD. Identified Olfactory Ensheathing Cells Transplanted into the Transected Dorsal Funiculus Bridge the Lesion and Form Myelin. Journal Of Neuroscience 2004, 24: 8485-8493. PMID: 15456822, PMCID: PMC2605369, DOI: 10.1523/jneurosci.1998-04.2004.Peer-Reviewed Original ResearchConceptsSprague-DawleyOlfactory bulbTransection siteMyelinated axonsLesion zoneForm myelinOpen field locomotor behaviorAdult olfactory bulbTransection lesionTransplantation groupPattern of repairSD ratsSpinal cordLesion areaLesionsCellular elementsImproved locomotionAxonsLocomotor behaviorMyelinGFP cellsGreen fluorescent proteinCellsAnti-GFP antibodyDiscrete bundles
2001
Transplantation of an acutely isolated bone marrow fraction repairs demyelinated adult rat spinal cord axons
Sasaki M, Honmou O, Akiyama Y, Uede T, Hashi K, Kocsis J. Transplantation of an acutely isolated bone marrow fraction repairs demyelinated adult rat spinal cord axons. Glia 2001, 35: 26-34. PMID: 11424189, PMCID: PMC2605363, DOI: 10.1002/glia.1067.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnimals, NewbornBeta-GalactosidaseBone Marrow TransplantationCells, CulturedEthidiumGlial Fibrillary Acidic ProteinImmunohistochemistryMiceMice, TransgenicMyeloid Progenitor CellsNerve Fibers, MyelinatedNerve RegenerationNeurogliaRatsRats, WistarRecovery of FunctionSpinal CordSpinal Cord InjuriesConceptsBone marrow cellsSpinal cordMyelin-forming cellsMarrow cellsDemyelinated rat spinal cordRat spinal cord axonsDorsal column lesionBone marrow cell fractionRat spinal cordX-irradiation treatmentSpinal cord axonsLacZ transgenic miceSchwann cell myelinationCell fractionCell transplantation techniquesDorsal funiculusPeripheral patternTransgenic miceTransplantation techniquesHematopoietic stem cellsIsolated cell fractionsCordFemoral bonePrecursor cellsTransplantation