2001
Dynamic 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 disruptionCaspase 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
Development 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-spectrin
1993
The 270 kDa splice variant of erythrocyte beta-spectrin (beta I sigma 2) segregates in vivo and in vitro to specific domains of cerebellar neurons.
Malchiodi-Albedi F, Ceccarini M, Winkelmann J, Morrow J, Petrucci T. The 270 kDa splice variant of erythrocyte beta-spectrin (beta I sigma 2) segregates in vivo and in vitro to specific domains of cerebellar neurons. Journal Of Cell Science 1993, 106 ( Pt 1): 67-78. PMID: 8270644, DOI: 10.1242/jcs.106.1.67.Peer-Reviewed Original ResearchConceptsBeta IPostsynaptic densityMultiple alternative transcriptsBeta-spectrin isoformBeta-spectrin genePlasma membrane stainingAlpha beta heterodimersNon-erythroid alpha-spectrinRegion of alphaCerebellar granule cellsDistinct genesPrecise segregationSubstantial homologyBiochemical restrictionsSingle protein bandAlternative transcriptsDistinct cytoplasmicUnique sequencesCerebellar neuronsSpectrin isoformsBeta heterodimerAlpha-spectrinSpectrin complexSplice variantsTargeting mechanism
1988
Comparison of nonerythroid alpha-spectrin genes reveals strict homology among diverse species.
Leto T, Fortugno-Erikson D, Barton D, Yang-Feng T, Francke U, Harris A, Morrow J, Marchesi V, Benz E. Comparison of nonerythroid alpha-spectrin genes reveals strict homology among diverse species. Molecular And Cellular Biology 1988, 8: 1-9. PMID: 3336352, PMCID: PMC363070, DOI: 10.1128/mcb.8.1.1.Peer-Reviewed Original ResearchConceptsAlpha-spectrin geneErythroid alpha-spectrin geneHuman chromosome 9Alpha-spectrin chainComparison of sequencesCarboxy-terminal sequenceErythroid genesDiverse speciesExpression libraryChromosome 1Hydrophobic residuesErythroid spectrinAlpha-spectrinFilamentous proteinsFunctional sitesGenesChromosome 9Human cloneStrict homologyRepeat patternCell membraneInvariant tryptophanSpectrinPeptide sequencesCDNA