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 events
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 evidenceFunctional recovery after the systemic administration of mesenchymal stem cells in a rat model of neonatal hypoxia-ischemia.
Sakai T, Sasaki M, Kataoka-Sasaki Y, Oka S, Nakazaki M, Fukumura S, Kobayashi M, Tsutsumi H, Kocsis JD, Honmou O. Functional recovery after the systemic administration of mesenchymal stem cells in a rat model of neonatal hypoxia-ischemia. Journal Of Neurosurgery Pediatrics 2018, 22: 513-522. PMID: 30074448, DOI: 10.3171/2018.5.peds1845.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBrainDisease Models, AnimalHypoxia-Ischemia, BrainMesenchymal Stem Cell TransplantationRatsRats, Sprague-DawleyRecovery of FunctionConceptsNeonatal hypoxia-ischemiaMesenchymal stem cellsHypoxia-ischemiaRat modelHypoxic-ischemic encephalopathyStem cellsCerebral palsyFunctional recoveryFunctional outcomeSystemic administrationIntravenous administrationAnimal studiesBrain volumePotential treatmentAdministrationPalsyCellsPatientsEncephalopathySynaptogenesis
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
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
2008
Olfactory ensheathing cells exhibit unique migratory, phagocytic, and myelinating properties in the X‐irradiated spinal cord not shared by Schwann cells
Lankford KL, Sasaki M, Radtke C, Kocsis JD. Olfactory ensheathing cells exhibit unique migratory, phagocytic, and myelinating properties in the X‐irradiated spinal cord not shared by Schwann cells. Glia 2008, 56: 1664-1678. PMID: 18551623, DOI: 10.1002/glia.20718.Peer-Reviewed Original ResearchConceptsCentral nervous systemSpinal cordSchwann cellsOligodendrocyte progenitor cellsNormal central nervous systemMigratory propertiesOX-42 stainingNormal spinal cordOlfactory Ensheathing CellsMyelin-forming cellsDemyelinated lesionsHost axonsPhagocytic phenotypePoor survivalSubsequent lesionsNervous systemWhite matterCordLimited survivalOECsMigratory capabilityProgenitor cellsTransplantationX-irradiationLesions
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