2024
Intravenous infusion of auto-serum-expanded autologous mesenchymal stem cells into chronic severe brain injury patients
Yamaki T, Oka S, Iyama S, Sasaki M, Onodera R, Kataoka-Sasaki Y, Namioka T, Namioka A, Nakazaki M, Takemura M, Ukai R, Yokoyama T, Sasaki Y, Yamashita T, Kobayashi M, Yamaguchi M, Fukino M, Takazawa T, Hayasaka M, Owaku T, Funakura M, Onodera S, Ito Y, Kobune M, Kato J, Ishiai S, Kocsis J, Odaki M, Iwadate Y, Kobayashi S, Honmou O. Intravenous infusion of auto-serum-expanded autologous mesenchymal stem cells into chronic severe brain injury patients. Interdisciplinary Neurosurgery 2024, 36: 101927. DOI: 10.1016/j.inat.2023.101927.Peer-Reviewed Original ResearchSevere brain injury patientsAutologous mesenchymal stem cellsBrain injury patientsIntravenous infusionMesenchymal stem cellsAdverse eventsInjury patientsInfused mesenchymal stem cellsHealth Stroke ScaleSerious adverse eventsFugl-Meyer AssessmentInitial case seriesBrain metabolic activityStem cellsMSC infusionStroke ScaleNeurological deteriorationBarthel IndexCase seriesCNS tumorsNeurological functionFunctional statusFunctional improvementChronic patientsPlacebo effectA surgical protocol for establishing spinal cord ischemia with extended lifespan and low complication rates in rats
Yasuda N, Sasaki M, Kocsis J, Kawaharada N, Honmou O. A surgical protocol for establishing spinal cord ischemia with extended lifespan and low complication rates in rats. World Neurosurgery 2024, 188: e349-e356. PMID: 38789035, DOI: 10.1016/j.wneu.2024.05.114.Peer-Reviewed Original ResearchIschemic spinal cord injurySpinal cord ischemiaCord ischemiaComplication rateRat modelTherapeutic strategiesEvaluate new therapeutic strategiesFunctional recoveryMale Sprague-Dawley ratsLow complication rateSprague-Dawley ratsSpecialized surgical equipmentExperimental animal modelsImprove functional recoveryPromote functional recoverySpinal cord injuryCross-clampingSevere neurological disordersAzygos veinSurgical protocolDescending aortaBulldog clampsLumbar levelsSpinal cordIschemic lesions
2023
Rehabilitation facilitates functional improvement following intravenous infusion of mesenchymal stem cells in the chronic phase of cerebral ischemia in rats
Yamashita T, Sasaki M, Sasaki Y, Nagahama H, Oka S, Kataoka-Sasaki Y, Ukai R, Yokoyama T, Kobayashi M, Kakizawa M, Kocsis J, Honmou O. Rehabilitation facilitates functional improvement following intravenous infusion of mesenchymal stem cells in the chronic phase of cerebral ischemia in rats. Brain Research 2023, 1825: 148709. PMID: 38072373, DOI: 10.1016/j.brainres.2023.148709.Peer-Reviewed Original ResearchRepeated 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 imagingTherapeutic efficacy of intravenous infusion of mesenchymal stem cells in rat perinatal brain injury
Terada K, Sasaki M, Nagahama H, Kataoka-Sasaki Y, Oka S, Ukai R, Yokoyama T, Iizuka Y, Sakai T, Fukumura S, Tsugawa T, Kocsis J, Honmou O. Therapeutic efficacy of intravenous infusion of mesenchymal stem cells in rat perinatal brain injury. Pediatric Research 2023, 94: 1921-1928. PMID: 37422495, DOI: 10.1038/s41390-023-02717-9.Peer-Reviewed Original ResearchConceptsPerinatal brain injuryBrain injuryMesenchymal stem cellsIntravenous infusionVehicle groupBrain volumeTherapeutic efficacyInfused mesenchymal stem cellsLeft common carotid arteryHistological analysisNon-ischemic hemispherePostnatal day 7Common carotid arteryEmbryonic day 18Stem cellsHypoxia-ischemiaMSC infusionPreterm infantsGABAergic cellsNeurological functionSignificant complicationsCortical synapsesFunctional improvementCarotid arteryIntravenous administrationA practical protocol for high-spatial-resolution magnetic resonance angiography for cerebral arteries in rats
Nagahama H, Sasaki M, Komatsu K, Sato K, Katagiri Y, Kamagata M, Kataoka-Sasaki Y, Oka S, Ukai R, Yokoyama T, Terada K, Kobayashi M, Kocsis J, Honmou O. A practical protocol for high-spatial-resolution magnetic resonance angiography for cerebral arteries in rats. Journal Of Neuroscience Methods 2023, 386: 109784. PMID: 36608904, DOI: 10.1016/j.jneumeth.2023.109784.Peer-Reviewed Original Research
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 ResearchConceptsSpinal 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 projectionsIntravenous Infusion of Autoserum-Expanded Autologous Mesenchymal Stem Cells in Patients With Chronic Brain Injury: Protocol for a Phase 2 Trial
Oka S, Yamaki T, Sasaki M, Ukai R, Takemura M, Yokoyama T, Kataoka-Sasaki Y, Onodera R, Ito YM, Kobayashi S, Kocsis JD, Iwadate Y, Honmou O. Intravenous Infusion of Autoserum-Expanded Autologous Mesenchymal Stem Cells in Patients With Chronic Brain Injury: Protocol for a Phase 2 Trial. JMIR Research Protocols 2022, 11: e37898. PMID: 35793128, PMCID: PMC9301565, DOI: 10.2196/37898.Peer-Reviewed Original ResearchChronic brain injuryAutologous mesenchymal stem cellsSpinal cord injuryINTERNATIONAL REGISTERED REPORT IDENTIFIERBrain injuryIntravenous infusionRankin Scale gradesCord injuryMesenchymal stem cellsClinical trialsScale gradeTherapeutic efficacyJapan Medical Association CenterSapporo Medical University HospitalInvestigator-initiated clinical trialsModified Rankin Scale gradesOpen-label trialPhase 2 studyPhase 2 trialMedical University HospitalCause of disabilityMotor vehicle accidentsPotential therapeutic efficacyProportion of casesStem cells
2021
Repeated intravenous infusion of mesenchymal stem cells for enhanced functional recovery in a rat model of chronic cerebral ischemia.
Takemura M, Sasaki M, Kataoka-Sasaki Y, Kiyose R, Nagahama H, Oka S, Ukai R, Yokoyama T, Kocsis J, Ueba T, Honmou O. Repeated intravenous infusion of mesenchymal stem cells for enhanced functional recovery in a rat model of chronic cerebral ischemia. Journal Of Neurosurgery 2021, 137: 402-411. PMID: 34861644, DOI: 10.3171/2021.8.jns21687.Peer-Reviewed Original ResearchMiddle cerebral artery occlusionInduction of MCAOCorpus callosumMesenchymal stem cellsChronic phaseMotor functionRat modelWeek 8Vehicle groupInterhemispheric connectionsAdministration of MSCsChronic cerebral ischemia modelNeural connectionsChronic stroke modelCerebral artery occlusionChronic cerebral ischemiaIschemic lesion volumeLong-term disabilityGreater functional improvementCerebral ischemia modelEnhanced functional recoveryAnti-neurofilament antibodiesDiffusion tensorSingle systemic infusionStem cellsPossible role of intravenous administration of mesenchymal stem cells to alleviate interstitial cystitis/bladder pain syndrome in a Toll-like receptor-7 agonist-induced experimental animal model in rat
Tabata H, Sasaki M, Kataoka-Sasaki Y, Shinkai N, Ichihara K, Masumori N, Kocsis JD, Honmou O. Possible role of intravenous administration of mesenchymal stem cells to alleviate interstitial cystitis/bladder pain syndrome in a Toll-like receptor-7 agonist-induced experimental animal model in rat. BMC Urology 2021, 21: 156. PMID: 34774029, PMCID: PMC8590770, DOI: 10.1186/s12894-021-00923-3.Peer-Reviewed Original ResearchConceptsHunner-type ICBladder pain syndromeAnti-inflammatory pathwayMSC groupMesenchymal stem cellsPain syndromeAnimal modelsToll-like receptor 7 agonistTherapeutic efficacyBehavior testsRight external jugular veinFemale Sprague-Dawley ratsGFP-positive mesenchymal stem cellsReceptor 7 agonistChronic pelvic painAnti-inflammatory effectsEfficacious treatment optionExperimental animal modelsSprague-Dawley ratsExternal jugular veinReal-time polymerase chain reactionMRNA expression levelsPositive mesenchymal stem cellsStem cellsHunner lesions
2012
LOP08
Radtke C, Lankford K, Sasaki M, Kocsis J, Vogt P. LOP08. Plastic & Reconstructive Surgery 2012, 130: 481. DOI: 10.1097/01.prs.0000418400.18580.18.Peer-Reviewed Original Research
2009
Development of a stroke model in the nonhuman primate and a safety study of IV infusion of human mesenchymal stem cells
Sasaki M, Radtke C, Honmou O, Houkin K, Kocsis J. Development of a stroke model in the nonhuman primate and a safety study of IV infusion of human mesenchymal stem cells. Neuroscience Research 2009, 65: s127. DOI: 10.1016/j.neures.2009.09.613.Peer-Reviewed Original Research
2008
18 MULTIPLE SCLEROSIS: REMYELINATION
KOCSIS J, SASAKI M, LANKFORD K, RADTKE C. 18 MULTIPLE SCLEROSIS: REMYELINATION. 2008, 413-435. DOI: 10.1016/b978-012373994-0.50020-8.Peer-Reviewed Original ResearchMyelin-forming cellsMultiple sclerosisConduction abnormalitiesPotential neuroprotective effectsProminent pathological featurePeripheral nervous systemEndogenous progenitor cellsPotassium channel distributionRemyelinated axonsIon channel organizationDemyelinated lesionsNeuroprotective effectsAxonal transectionPathological featuresFunctional deficitsMyelin repairAxonal repairMyelin resultsNervous systemImpulse conductionProgenitor cellsRemyelinationSclerosisTransectionAbnormalities
2007
Demyelinating diseases and potential repair strategies
Radtke C, Spies M, Sasaki M, Vogt PM, Kocsis JD. Demyelinating diseases and potential repair strategies. International Journal Of Developmental Neuroscience 2007, 25: 149-153. PMID: 17408905, PMCID: PMC2692731, DOI: 10.1016/j.ijdevneu.2007.02.002.Peer-Reviewed Original ResearchConceptsMultiple sclerosisInjury modelSpinal cord injuryCell-based strategiesAxon lossNerve compressionNeuroprotective potentialCord injuryFunctional outcomeClinical studiesMS lesionsTherapeutic goalsVulnerable axonsCellular transplantationNeurological disordersDemyelinationRemyelinationNeuroprotectionPotential repair strategiesCell typesSclerosisTransplantationInjuryLesionsAxons
2006
Myelination and nodal formation of regenerated peripheral nerve fibers following transplantation of acutely prepared olfactory ensheathing cells
Dombrowski MA, Sasaki M, Lankford KL, Kocsis JD, Radtke C. Myelination and nodal formation of regenerated peripheral nerve fibers following transplantation of acutely prepared olfactory ensheathing cells. Brain Research 2006, 1125: 1-8. PMID: 17112480, PMCID: PMC2673087, DOI: 10.1016/j.brainres.2006.09.089.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnimals, Genetically ModifiedCell Adhesion Molecules, NeuronalCell TransplantationGreen Fluorescent ProteinsImmunohistochemistryMicroscopy, ImmunoelectronMyelin SheathNAV1.6 Voltage-Gated Sodium ChannelNerve RegenerationNeurofilament ProteinsNeurogliaOlfactory BulbRanvier's NodesRatsRats, Sprague-DawleySciatic NeuropathySodium ChannelsTime FactorsConceptsPeripheral nerve fibersPeripheral nervesNodes of RanvierFunctional outcomeAxonal regenerationNerve fibersRegenerated peripheral nerve fibersSciatic nerve crush lesionNerve crush lesionPeripheral-type myelinSpinal cord resultsTransplantation of olfactoryPeripheral axonal regenerationParanodal CasprCrush lesionCord resultsFunctional improvementOlfactory bulbTransection siteTransgenic ratsLesion zoneNerveNodal formationTransplantation siteOECs
2005
28 Transplantation of Peripheral-Myelin-Forming Cells to Repair Demyelinated Axons
Kocsis J, Sasaki M. 28 Transplantation of Peripheral-Myelin-Forming Cells to Repair Demyelinated Axons. 2005, 421-433. DOI: 10.1016/b978-012738761-1/50029-8.Peer-Reviewed Original ResearchTransplantation of SCsTransplantation of OECsSpinal cord injuryCentral nervous systemSchwann cellsAxonal regenerationBone marrow cellsFunctional recoveryMultiple sclerosisCell transplantationCord injurySpinal cordHind limb locomotor functionContusive spinal cord injuryBone marrow cell transplantationMarrow cellsSpinal cord injury modelMarrow cell transplantationCerebral ischemia modelSpinal cord resultsGlobal neuroprotectionDemyelination modelCord resultsFunctional outcomeDemyelinated axons
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
2000
[Comparison of myelin-forming cells as candidates for therapeutic transplantation in demyelinated CNS axons].
Imaizumi T, Lankford K, Kocsis J, Sasaki M, Akiyama Y, Hashi K. [Comparison of myelin-forming cells as candidates for therapeutic transplantation in demyelinated CNS axons]. Brain And Nerve 脳と神経 2000, 52: 609-15. PMID: 10934721.Peer-Reviewed Original ResearchConceptsDemyelinated CNS axonsSchwann cellsBrain cellsSpinal cordConduction velocityCNS axonsAdult rat spinal cordFronto-temporal lobesRat spinal cordAdult Schwann cellsDemyelination of axonsMyelin-forming cellsBlock of conductionAdult olfactoryDemyelinated diseasesDemyelinated axonsLess myelinationHistological examinationCNS tissueTherapeutic approachesStimulus trainsDay 28Transplanted OECsAmplitude decrementRemyelination