2024
The loss of βΙ spectrin alters synaptic size and composition in the ja/ja mouse
Stankewich M, Peters L, Morrow J. The loss of βΙ spectrin alters synaptic size and composition in the ja/ja mouse. Frontiers In Neuroscience 2024, 18: 1415115. PMID: 39165342, PMCID: PMC11333264, DOI: 10.3389/fnins.2024.1415115.Peer-Reviewed Original ResearchJa/ja miceGranule layerCerebellar granule layerPostnatal day 8Cortical layers 2Cerebellar granule neuronsPostsynaptic density sizeSpectrin gene familyJaundiced miceMature mouse brainExchange transfusionHemolytic anemiaHemolytic pathologiesHematological consequencesMedial habenulaGranule neuronsFatal hemolytic anemiaDay 8Dentate gyrusNeuropsychiatric disordersSpectrin deficiencyWhite matterJa/jaMiceMouse brain
2022
CECR2 drives breast cancer metastasis by promoting NF-κB signaling and macrophage-mediated immune suppression
Zhang M, Liu ZZ, Aoshima K, Cai WL, Sun H, Xu T, Zhang Y, An Y, Chen JF, Chan LH, Aoshima A, Lang SM, Tang Z, Che X, Li Y, Rutter SJ, Bossuyt V, Chen X, Morrow JS, Pusztai L, Rimm DL, Yin M, Yan Q. CECR2 drives breast cancer metastasis by promoting NF-κB signaling and macrophage-mediated immune suppression. Science Translational Medicine 2022, 14: eabf5473. PMID: 35108062, PMCID: PMC9003667, DOI: 10.1126/scitranslmed.abf5473.Peer-Reviewed Original ResearchConceptsBreast cancer metastasisReticuloendotheliosis viral oncogene homolog ACancer metastasisImmune suppressionM2 macrophagesWorse metastasis-free survivalMetastatic breast cancerMetastasis-free survivalV-rel avian reticuloendotheliosis viral oncogene homolog ACancer-related deathPrimary breast tumorsMultiple mouse modelsNF-κB signalingImmunocompetent settingNuclear factor-κB family membersMetastasis-promoting genesDistant metastasisMetastatic sitesPrimary tumorEffective therapyBreast cancerMetastasis treatmentMouse modelBreast tumorsMetastasis
2003
Identification of the primary caspase 3 cleavage site in alpha II-spectrin during apoptosis
Williams S, Smith A, Cianci C, Morrow J, Brown T. Identification of the primary caspase 3 cleavage site in alpha II-spectrin during apoptosis. Apoptosis 2003, 8: 353-361. PMID: 12815278, DOI: 10.1023/a:1024168901003.Peer-Reviewed Original ResearchConceptsCaspase-3 cleavage siteCleavage sitePrimary cleavage siteII-spectrinCytoskeletal integrityAlpha II spectrinMembrane stabilityCaspase-3Cleavage of alphaApoptotic cell deathCaspase-3 activationMature B cellsConsensus sitesDeletion analysisTranscriptional inhibitorMajor proteinsLikely altersApoptotic bodiesCell deathProteinStructural conformationActinomycin DSpectrinNew insightsApoptosis
2002
The Spectrin-Ankyrin Skeleton Controls CD45 Surface Display and Interleukin-2 Production
Pradhan D, Morrow J. The Spectrin-Ankyrin Skeleton Controls CD45 Surface Display and Interleukin-2 Production. Immunity 2002, 17: 303-315. PMID: 12354383, DOI: 10.1016/s1074-7613(02)00396-5.Peer-Reviewed Original ResearchMeSH KeywordsAnkyrinsCD3 ComplexCell MembraneHumansInterleukin-2Jurkat CellsLeukocyte Common AntigensLymphocyte ActivationMacromolecular SubstancesMembrane GlycoproteinsNeoplasm ProteinsPeptide FragmentsProtein BindingProtein Interaction MappingProtein IsoformsProtein Structure, TertiaryRecombinant Fusion ProteinsSpectrinStructure-Activity RelationshipT-LymphocytesTransfectionConceptsJurkat T cellsT cell receptor stimulationCell receptor stimulationCytoplasmic domainSurface recruitmentBetaI spectrinSpectrin peptidesT cell activationSurface displayIntracellular poolUnexpected contributionAnkyrinSpectrinCell activationReceptor stimulationCD45T cellsCellsInterleukin-2 productionGlycoproteinRecruitmentT lymphocyte functionActivationLymphocyte functionPool
2001
Calpain proteolysis of αII-spectrin in the normal adult human brain
Huh G, Glantz S, Je S, Morrow J, Kim J. Calpain proteolysis of αII-spectrin in the normal adult human brain. Neuroscience Letters 2001, 316: 41-44. PMID: 11720774, DOI: 10.1016/s0304-3940(01)02371-0.Peer-Reviewed Original ResearchConceptsAdult human brainCalpain activationEvident neurological diseaseHuman brainCortical gray matterLong-term potentiationNormal adult human brainDendrites of neuronsCerebellar Purkinje cellsCalpain processingReactive astrocytesCerebral cortexPyramidal neuronsSynaptic remodelingClinical conditionsNeuronal apoptosisAdult brainPositive cellsNeurological diseasesGray matterPurkinje cellsTopographic distributionAlphaII-spectrinBrainCalpain proteolysisDynamic molecular modeling of pathogenic mutations in the spectrin self-association domain
Zhang Z, Weed S, Gallagher P, Morrow J. Dynamic molecular modeling of pathogenic mutations in the spectrin self-association domain. Blood 2001, 98: 1645-1653. PMID: 11535493, DOI: 10.1182/blood.v98.6.1645.Peer-Reviewed Original ResearchConceptsSelf-association domainPoint mutationsHuman sequenceDrosophila alpha-spectrinDynamic molecular modelingHuman erythrocyte spectrinCytoskeletal functionSpecific point mutationsConservative substitutionsPrimary sequenceConformational rearrangementsAlpha-spectrinHelical regionHydrophilic residuesAmino acidsMutationsSpectrinSalt bridgeErythrocyte spectrinStructural consequencesPathogenic mutationsRepeat unitsMolecular modelingSequenceStructural disruptionβIII Spectrin Binds to the Arp1 Subunit of Dynactin*
Holleran E, Ligon L, Tokito M, Stankewich M, Morrow J, Holzbaur E. βIII Spectrin Binds to the Arp1 Subunit of Dynactin*. Journal Of Biological Chemistry 2001, 276: 36598-36605. PMID: 11461920, DOI: 10.1074/jbc.m104838200.Peer-Reviewed Original ResearchMeSH KeywordsActinsAnimalsBinding SitesBrainCell MembraneCOS CellsCytoplasmCytosolDynactin ComplexElectrophoresis, Polyacrylamide GelGlutathione TransferaseImmunoblottingImmunohistochemistryMicrofilament ProteinsMicrotubule-Associated ProteinsPrecipitin TestsProtein BindingProtein IsoformsProtein Structure, TertiaryRatsSpectrinSrc Homology DomainsTwo-Hybrid System TechniquesConceptsBetaIII spectrinGolgi vesicle traffickingMicrotubule motor complexAssociation of dyneinVesicle traffickingVesicular cargoRat brain cytosolMitotic spindleIntracellular motorsCytoplasmic dyneinCleavage furrowDynactinInterphase cellsArp1Spectrin isoformsCytoplasmic vesiclesF-actinActin bindsEndoplasmic reticulumPerinuclear regionNovel localizationSpectrinDyneinBrain cytosolΒIII spectrinYale Pathology
Morrow J. Yale Pathology. Experimental And Molecular Pathology 2001, 70: 175-177. DOI: 10.1006/exmp.2001.2389.Peer-Reviewed Original ResearchSpectrin Oligomerization is Cooperatively Coupled to Membrane Assembly: A Linkage Targeted by Many Hereditary Hemolytic Anemias?
Giorgi M, Cianci C, Gallagher P, Morrow J. Spectrin Oligomerization is Cooperatively Coupled to Membrane Assembly: A Linkage Targeted by Many Hereditary Hemolytic Anemias? Experimental And Molecular Pathology 2001, 70: 215-230. PMID: 11418000, DOI: 10.1006/exmp.2001.2377.Peer-Reviewed Original ResearchInformatics and anatomic pathology: Meeting challenges and charting the future
Sinard J, Morrow J. Informatics and anatomic pathology: Meeting challenges and charting the future. Human Pathology 2001, 32: 143-148. PMID: 11230700, DOI: 10.1053/hupa.2001.23057.Peer-Reviewed Original ResearchDynactin-Dependent, Dynein-Driven Vesicle Transport in the Absence of Membrane Proteins A Role for Spectrin and Acidic Phospholipids
Muresan V, Stankewich M, Steffen W, Morrow J, Holzbaur E, Schnapp B. Dynactin-Dependent, Dynein-Driven Vesicle Transport in the Absence of Membrane Proteins A Role for Spectrin and Acidic Phospholipids. Molecular Cell 2001, 7: 173-183. PMID: 11172722, DOI: 10.1016/s1097-2765(01)00165-4.Peer-Reviewed Original ResearchConceptsVesicle transportAcidic phospholipidsAxonal vesiclesProtein-free liposomesAbsence of membranesPH domainDependent motilityCytosolic factorsDynactinSpectrinEssential roleSpectrin polypeptidesVesiclesMembranePhospholipidsAxonal transportMotilitySoluble componentsContext of liposomesDyneinCytosolPolypeptideTransportRoleRetrograde axonal transport[42] ADP-ribosylation factor (ARF) as regulator of spectrin assembly at Golgi complex
De Matteis M, Morrow J. [42] ADP-ribosylation factor (ARF) as regulator of spectrin assembly at Golgi complex. Methods In Enzymology 2001, 329: 405-416. PMID: 11210560, DOI: 10.1016/s0076-6879(01)29101-0.Peer-Reviewed Original ResearchMeSH KeywordsADP-Ribosylation FactorsAnimalsCell LineCell Membrane PermeabilityCoat Protein Complex IDNA PrimersElectrophoresis, Polyacrylamide GelEscherichia coliFluorescent Antibody TechniqueGenetic VectorsGolgi ApparatusIntracellular MembranesPeptide FragmentsProtein BindingRecombinant Fusion ProteinsSpectrinConceptsADP-ribosylation factorGolgi membranesSpectrin peptidesPermeabilized cultured cellsBinding of spectrinCultured cell linesDifferent functional domainsSpectrin assemblySequence motifsRibosylation factorIndirect immunofluorescent microscopyFunctional domainsIntracellular distributionCultured cellsSpectrinΒIII spectrinImmunofluorescence analysisCell linesGolgiImmunofluorescent microscopyExperimental strategiesPeptidesMembraneCellsOrganellesCaspase Remodeling of the Spectrin Membrane Skeleton during Lens Development and Aging*
Lee A, Morrow J, Fowler V. Caspase Remodeling of the Spectrin Membrane Skeleton during Lens Development and Aging*. Journal Of Biological Chemistry 2001, 276: 20735-20742. PMID: 11278555, DOI: 10.1074/jbc.m009723200.Peer-Reviewed Original ResearchConceptsLens fiber cellsFiber cellsMembrane blebbingMembrane skeletonLens developmentAlpha-spectrinSpectrin membrane skeletonMembrane skeleton componentsChick lens developmentCell-cell fusionApoptotic cellsOldest fiber cellsMembrane associationClassical apoptosisApoptotic processSpecific proteolysisTerminal differentiationAdult lensSpectrin fragmentsMembrane interdigitationsBlebbingCytoskeletal protein alpha-spectrinPermanent remodelingSkeleton componentsSpectrin
2000
α-Catenin Binds Directly to Spectrin and Facilitates Spectrin-Membrane Assembly in Vivo *
Pradhan D, Lombardo C, Roe S, Rimm D, Morrow J. α-Catenin Binds Directly to Spectrin and Facilitates Spectrin-Membrane Assembly in Vivo *. Journal Of Biological Chemistry 2000, 276: 4175-4181. PMID: 11069925, DOI: 10.1074/jbc.m009259200.Peer-Reviewed Original ResearchConceptsInteraction of spectrinClone A cellsΑ-catenin bindsAmino-terminal domainAmino acid regionSpectrin-actin skeletonCell-cell contactCell adhesion processesMadin-Darby canine kidneyAdhesion complexesConfluent Madin Darby canine kidneyCytoskeletal assemblyPlasma membraneDetergent solubilityMembrane assemblyAcid regionSpectrin skeletonMembrane regionsA cellsVivo roleSpectrinPhospholipid interactionsBiological membranesE-cadherinMolecular interactionsDevelopment and characterization of antibodies specific to caspase-3-produced alpha II-spectrin 120 kDa breakdown product: marker for neuronal apoptosis
Nath R, Huggins M, Glantz S, Morrow J, McGinnis K, Nadimpalli R, Wang K. Development and characterization of antibodies specific to caspase-3-produced alpha II-spectrin 120 kDa breakdown product: marker for neuronal apoptosis. Neurochemistry International 2000, 37: 351-361. PMID: 10825575, DOI: 10.1016/s0197-0186(00)00040-1.Peer-Reviewed Original ResearchConceptsWestern blotRat cerebellar granule neuronsHuman neuroblastoma SH-SY5Y cellsNeuroblastoma SH-SY5Y cellsSpectrin breakdown productsCerebellar granule neuronsSH-SY5Y cellsApoptotic neuronsCharacterization of antibodiesNeuronal apoptosisNeurodegenerative conditionsGranule neuronsBreakdown productsImmunocytochemical studySH-SY5YII-spectrinWithdrawal-induced apoptosisAntibodiesNeuronsCaspase-3Apoptotic deathPowerful markerChicken antibodiesApoptosisAlpha-spectrinSpectrin tethers and mesh in the biosynthetic pathway.
De Matteis M, Morrow J. Spectrin tethers and mesh in the biosynthetic pathway. Journal Of Cell Science 2000, 113 ( Pt 13): 2331-43. PMID: 10852813, DOI: 10.1242/jcs.113.13.2331.Peer-Reviewed Original ResearchConceptsSecretory pathwayMembrane proteinsSmall GTPase ArfEarly secretory pathwayDynamics of organellesGolgi dynamicsProtein traffickingOrganelle functionGolgi structurePhosphoinositide levelsGolgi membranesBiosynthetic pathwayMacromolecular complexesCytosolic proteinsAdapter moleculeSpectrin skeletonIntracellular transportOrganellesSpectrinDirect interactionProteinKey playersRecent discoveryGolgiSimilar roleIdentification and Characterization of βV Spectrin, a Mammalian Ortholog of Drosophila βHSpectrin* 210
Stabach P, Morrow J. Identification and Characterization of βV Spectrin, a Mammalian Ortholog of Drosophila βHSpectrin* 210. Journal Of Biological Chemistry 2000, 275: 21385-21395. PMID: 10764729, DOI: 10.1074/jbc.c000159200.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsBase SequenceCaenorhabditis elegansCloning, MolecularConsensus SequenceDNA, ComplementaryDrosophilaDrosophila ProteinsExonsGene LibraryHumansIntronsMammalsMolecular Sequence DataMolecular WeightOrgan SpecificityPhylogenyRatsRecombinant ProteinsRepetitive Sequences, Amino AcidRetinaSequence AlignmentSequence Homology, Amino AcidSpectrinTumor Cells, CulturedViral ProteinsConceptsDrosophila orthologMammalian orthologsSpectrin repeatsPleckstrin homology domainComplete cDNA sequenceActin-binding domainSelf-association domainAmino acids 85Amino acid sequenceBeta-spectrin geneHuman retina cDNA libraryRetina cDNA libraryFly counterpartMammalian spectrinsCaenorhabditis elegansHomology domainEpithelial cell populationsSH3 domainApical domainCDNA sequenceCDNA libraryOrthologsPolarized epitheliumBeta spectrinAcid sequenceIdentification and Characterization of Human SLP-2, a Novel Homologue of Stomatin (Band 7.2b) Present in Erythrocytes and Other Tissues*
Wang Y, Morrow J. Identification and Characterization of Human SLP-2, a Novel Homologue of Stomatin (Band 7.2b) Present in Erythrocytes and Other Tissues*. Journal Of Biological Chemistry 2000, 275: 8062-8071. PMID: 10713127, DOI: 10.1074/jbc.275.11.8062.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAntibody SpecificityBlood ProteinsCloning, MolecularCytoskeletonDNA, ComplementaryErythrocyte MembraneHumansMembrane ProteinsMolecular Sequence DataMultigene FamilyNerve Tissue ProteinsProtein BindingProtein BiosynthesisProtein Structure, TertiarySequence Analysis, DNASequence Analysis, ProteinSequence Homology, Amino AcidTissue DistributionConceptsIntegral membrane proteinsMembrane proteinsStomatin homologueSLP-1SLP-2Human stomatinCholesterol-rich lipid raftsLipid domain organizationTerminal hydrophobic domainAmino acid sequenceCultured COS cellsMature human erythrocytesSDS-polyacrylamide gel electrophoresis analysisErythrocyte membrane proteinsDomain organizationNonerythroid tissuesLipid raftsStomatin genePeripheral cytoskeletonChromosome 9p13StomatinAcid sequenceGel electrophoresis analysisCOS cellsRelated proteins
1999
Brain and Muscle Express a Unique Alternative Transcript of αΙΙ Spectrin †
Cianci C, Zhang Z, Pradhan D, Morrow J. Brain and Muscle Express a Unique Alternative Transcript of αΙΙ Spectrin †. Biochemistry 1999, 38: 15721-15730. PMID: 10625438, DOI: 10.1021/bi991458k.Peer-Reviewed Original ResearchConceptsAlternative mRNA splicingMRNA splicingAlphaII-spectrinBp insertionNovel protein interaction siteEmbryonic tissuesInsert 2Alternative exon usageProtein interaction sitesAmino acid sequenceDifferent splice formsAmino acid insertionMouse embryonic tissuesInsert-1Amino acid substitutionsSkeletal muscleGene familyDynamic molecular modelingMature proteinUnanticipated functionAlternative splicingExon usageIndividual transcriptsAlternative transcriptsSplice formsTransforming Growth Factor β Induces Caspase 3-independent Cleavage of αII-Spectrin (α-Fodrin) Coincident with Apoptosis*
Brown T, Patil S, Cianci C, Morrow J, Howe P. Transforming Growth Factor β Induces Caspase 3-independent Cleavage of αII-Spectrin (α-Fodrin) Coincident with Apoptosis*. Journal Of Biological Chemistry 1999, 274: 23256-23262. PMID: 10438500, DOI: 10.1074/jbc.274.33.23256.Peer-Reviewed Original ResearchConceptsAlphaII-spectrinBroad-spectrum caspase inhibitorDistinct apoptotic pathwaysImmature B cell linesOnset of apoptosisCaspase-3 activationInduction of apoptosisPotent growth inhibitorNovel caspaseCaspase inhibitorsWEHI-231Cytoskeletal actinApoptotic pathwayB cell linesNovel substrateCell deathGrowth factor betaFirst direct evidenceCaspase-3ApoptosisCell linesCaspasesGrowth inhibitorFactor betaFirst evidence