2019
The landscape of myeloid and astrocyte phenotypes in acute multiple sclerosis lesions
Park C, Ponath G, Levine-Ritterman M, Bull E, Swanson EC, De Jager PL, Segal BM, Pitt D. The landscape of myeloid and astrocyte phenotypes in acute multiple sclerosis lesions. Acta Neuropathologica Communications 2019, 7: 130. PMID: 31405387, PMCID: PMC6689891, DOI: 10.1186/s40478-019-0779-2.Peer-Reviewed Original ResearchConceptsMultiple sclerosis lesionsLesion rimAstrocyte phenotypeMyeloid cellsSclerosis lesionsActive multiple sclerosis lesionsAcute multiple sclerosis lesionsGlial activation markersActive MS lesionsNovel therapeutic targetDifferent lesion stagesPredominant cell typeAcute demyelinationDemyelinating lesionsCell typesActivation markersChronic inflammationDistinct myeloidCell-extrinsic factorsGlial cellsPhenotypic subsetsLesion stageGlial phenotypeMS lesionsLesion cells
2018
Myeloid cell plasticity in the evolution of central nervous system autoimmunity
Giles DA, Washnock‐Schmid J, Duncker PC, Dahlawi S, Ponath G, Pitt D, Segal BM. Myeloid cell plasticity in the evolution of central nervous system autoimmunity. Annals Of Neurology 2018, 83: 131-141. PMID: 29283442, PMCID: PMC5876132, DOI: 10.1002/ana.25128.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsArginaseAutoimmune Diseases of the Nervous SystemBone Marrow CellsCell PlasticityChimeraDisease ProgressionEncephalomyelitis, Autoimmune, ExperimentalHumansImmunohistochemistryLectins, C-TypeMannose ReceptorMannose-Binding LectinsMiceMice, Inbred C57BLMultiple SclerosisMyeloid CellsNitric Oxide Synthase Type IIPhenotypeReceptors, Cell SurfaceConceptsInducible nitric oxide synthaseExperimental autoimmune encephalomyelitisCNS myeloid cellsCentral nervous systemCentral nervous system autoimmunityChronic active MS lesionsActive MS lesionsMultiple sclerosisMyeloid cellsMS lesionsAnimal model experimental autoimmune encephalomyelitisRemission of EAEModel experimental autoimmune encephalomyelitisMyeloid cell plasticityEncephalitogenic T cellsNitric oxide synthaseMyeloid cell phenotypeFuture therapeutic strategiesHuman myeloid cellsAnn NeurolNoninflammatory phenotypePolarized subsetsClinical remissionAutoimmune encephalomyelitisProinflammatory markers
2016
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
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 ResearchConceptsMyelin 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
2001
Multiple sclerosis: Altered glutamate homeostasis in lesions correlates with oligodendrocyte and axonal damage
Werner P, Pitt D, Raine C. Multiple sclerosis: Altered glutamate homeostasis in lesions correlates with oligodendrocyte and axonal damage. Annals Of Neurology 2001, 50: 169-180. PMID: 11506399, DOI: 10.1002/ana.1077.Peer-Reviewed Original ResearchConceptsMultiple sclerosisAxonal damageWhite matterGlutamate excitotoxicityGlutamate homeostasisMS lesionsGlutaminase expressionMS white matterInflammatory neurologic diseasesActive MS lesionsCNS cell typesOligodendroglial pathologyNoninflammatory conditionsDystrophic axonsNeurologic diseaseGLT-1Low-level expressionAnimal modelsGlutamate transportersHomeostasis contributesLesion correlatesGlutamate transportLesionsOligodendrocytesTherapeutic import