2022
Susceptibility source separation from gradient echo data using magnitude decay modeling
Dimov AV, Nguyen TD, Gillen KM, Marcille M, Spincemaille P, Pitt D, Gauthier SA, Wang Y. Susceptibility source separation from gradient echo data using magnitude decay modeling. Journal Of Neuroimaging 2022, 32: 852-859. PMID: 35668022, DOI: 10.1111/jon.13014.Peer-Reviewed Original Research
2018
Magnetic susceptibility increases as diamagnetic molecules breakdown: Myelin digestion during multiple sclerosis lesion formation contributes to increase on QSM
Deh K, Ponath GD, Molvi Z, Parel G, Gillen KM, Zhang S, Nguyen TD, Spincemaille P, Ma Y, Gupta A, Gauthier SA, Pitt D, Wang Y. Magnetic susceptibility increases as diamagnetic molecules breakdown: Myelin digestion during multiple sclerosis lesion formation contributes to increase on QSM. Journal Of Magnetic Resonance Imaging 2018, 48: 1281-1287. PMID: 29517817, PMCID: PMC6129234, DOI: 10.1002/jmri.25997.Peer-Reviewed Original ResearchSignificance and In Vivo Detection of Iron-Laden Microglia in White Matter Multiple Sclerosis Lesions
Gillen KM, Mubarak M, Nguyen TD, Pitt D. Significance and In Vivo Detection of Iron-Laden Microglia in White Matter Multiple Sclerosis Lesions. Frontiers In Immunology 2018, 9: 255. PMID: 29515576, PMCID: PMC5826076, DOI: 10.3389/fimmu.2018.00255.Peer-Reviewed Original ResearchConceptsCentral nervous systemChronic active lesionsMultiple sclerosisActive lesionsWhite matterWhite matter MS lesionsQuantitative susceptibility mappingNovel MS therapiesResident immune cellsChronic inflammatory activityWhite matter lesionsMyeloid cell activationAdjacent white matterWhite matter multiple sclerosis lesionsChronic tissue damageMultiple sclerosis lesionsMS therapyInflammatory activityMagnetic resonance imaging techniquesChronic inflammationMatter lesionsAged brainImmune cellsMyelin phagocytosisChronic diseases
2016
Myelin phagocytosis by astrocytes after myelin damage promotes lesion pathology
Ponath G, Ramanan S, Mubarak M, Housley W, Lee S, Sahinkaya FR, Vortmeyer A, Raine CS, Pitt D. Myelin phagocytosis by astrocytes after myelin damage promotes lesion pathology. Brain 2016, 140: 399-413. PMID: 28007993, PMCID: PMC5841057, DOI: 10.1093/brain/aww298.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAnimalsAnimals, NewbornAstrocytesCell ProliferationCells, CulturedChild, PreschoolCultureCytokinesDemyelinating Autoimmune Diseases, CNSEndocytosisFemaleHumansHydrazonesMacrophagesMaleMiddle AgedMyelin SheathPhagocytosisRatsRats, Sprague-DawleyStrokeTime FactorsTransforming Growth Factor betaConceptsMyelin injuryMyelin phagocytosisMyelin debrisMultiple sclerosis lesionsMultiple sclerosisLesion pathologySclerosis lesionsAcute multiple sclerosis lesionsCentral nervous system pathologyProgressive multifocal leukoencephalopathyNervous system pathologySecretion of chemokinesNF-κB activationElevated chemokine expressionHypertrophic astrocytesMost astrocytesMyelin uptakeMultifocal leukoencephalopathyFirst-line responseAcute lesionsMyelin damageReactive astrocytesChemokine expressionAstroglial responseImmune cellsQuantitative Susceptibility Mapping and R2* Measured Changes during White Matter Lesion Development in Multiple Sclerosis: Myelin Breakdown, Myelin Debris Degradation and Removal, and Iron Accumulation
Zhang Y, Gauthier SA, Gupta A, Chen W, Comunale J, Chiang G, Zhou D, Askin G, Zhu W, Pitt D, Wang Y. Quantitative Susceptibility Mapping and R2* Measured Changes during White Matter Lesion Development in Multiple Sclerosis: Myelin Breakdown, Myelin Debris Degradation and Removal, and Iron Accumulation. American Journal Of Neuroradiology 2016, 37: 1629-1635. PMID: 27256856, PMCID: PMC5018433, DOI: 10.3174/ajnr.a4825.Peer-Reviewed Original ResearchMeSH KeywordsAdultFemaleHumansMagnetic Resonance ImagingMaleMiddle AgedMultiple SclerosisMyelin SheathWhite MatterConceptsMyelin breakdownQuantitative susceptibility mappingExpanded Disability Status Scale scoreEarly active MS lesionsDisability Status Scale scoreIron accumulationDifferent enhancing patternStatus Scale scoreActive MS lesionsWhite matter lesionsMultiple sclerosis lesionsDisease durationChronic lesionsEarly chronicMatter lesionsMultiple sclerosisActive lesionsMyelin debrisMS lesionsLesion changesScale scoreLesion typeSclerosis lesionsLesionsLesion development
2003
Experimental Autoimmune Encephalomyelitis (EAE) in CCR2−/− Mice Susceptibility in Multiple Strains
Gaupp S, Pitt D, Kuziel WA, Cannella B, Raine CS. Experimental Autoimmune Encephalomyelitis (EAE) in CCR2−/− Mice Susceptibility in Multiple Strains. American Journal Of Pathology 2003, 162: 139-150. PMID: 12507897, PMCID: PMC1851120, DOI: 10.1016/s0002-9440(10)63805-9.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell DivisionCrosses, GeneticDisease Models, AnimalEncephalomyelitis, Autoimmune, ExperimentalGenetic Predisposition to DiseaseGlycoproteinsImmunity, InnateImmunohistochemistryIn Situ HybridizationLymphocytesMiceMice, Inbred BALB CMice, Inbred C57BLMice, Inbred StrainsMice, KnockoutMyelin SheathMyelin-Oligodendrocyte GlycoproteinNuclease Protection AssaysPeptide FragmentsReceptors, CCR2Receptors, ChemokineRNA, MessengerSpecies SpecificityConceptsExperimental autoimmune encephalomyelitisCentral nervous systemAutoimmune encephalomyelitisLow molecular weight cytokinesLack of CCR2Deletion of CCR2Sites of inflammationWild-type animalsDifferent mouse strainsCCR2 deletionCNS lesionsMultiple sclerosisWeight cytokinesAutoimmune diseasesMouse susceptibilityNervous systemImmune systemCompensatory mechanismsBalb CCCR2Mouse strainsChemokinesMonocytesEncephalomyelitisAppropriate receptors
2000
Insulin-Like Growth Factor-1 Fails to Enhance Central Nervous System Myelin Repair during Autoimmune Demyelination
Cannella B, Pitt D, Capello E, Raine C. Insulin-Like Growth Factor-1 Fails to Enhance Central Nervous System Myelin Repair during Autoimmune Demyelination. American Journal Of Pathology 2000, 157: 933-943. PMID: 10980132, PMCID: PMC1885703, DOI: 10.1016/s0002-9440(10)64606-8.Peer-Reviewed Original ResearchConceptsInsulin-like growth factor-1Experimental autoimmune encephalomyelitisCentral nervous system tissueGrowth factor-1Nervous system tissueAcute phaseChronic phaseChronic time pointsTime pointsVehicle-treated groupIGF-1 administrationVehicle-treated controlsFactor 1Oligodendrocyte progenitor populationClinical ameliorationAutoimmune encephalomyelitisCytokine levelsDifferent time pointsTreatment regimenAutoimmune demyelinationMultiple sclerosisSJL miceMyelin regenerationMyelin repairTGF-beta2