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
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
1997
Site-Directed Mutagenesis of αII Spectrin at Codon 1175 Modulates Its μ-Calpain Susceptibility †
Stabach P, Cianci C, Glantz S, Zhang Z, Morrow J. Site-Directed Mutagenesis of αII Spectrin at Codon 1175 Modulates Its μ-Calpain Susceptibility †. Biochemistry 1997, 36: 57-65. PMID: 8993318, DOI: 10.1021/bi962034i.Peer-Reviewed Original ResearchConceptsSite-directed mutagenesisAlpha II spectrinCalpain cleavage sitesCleavage siteII-spectrinHelix CRecombinant GST-fusion proteinsBona fide proteinGST fusion proteinTriple-helical motifsStrict substrate specificityFamily of Ca2Protein kinase CDynamic molecular modelingStructural repeatsProminent substrateDifferent amino acidsSubstrate specificityIntracellular proteolysisPenultimate residueCysteine proteasesKinase CMost proteasesSteroid receptor activationSpectrin
1994
Beta II-spectrin (fodrin) and beta I epsilon 2-spectrin (muscle) contain NH2- and COOH-terminal membrane association domains (MAD1 and MAD2).
Lombardo C, Weed S, Kennedy S, Forget B, Morrow J. Beta II-spectrin (fodrin) and beta I epsilon 2-spectrin (muscle) contain NH2- and COOH-terminal membrane association domains (MAD1 and MAD2). Journal Of Biological Chemistry 1994, 269: 29212-29219. PMID: 7961888, DOI: 10.1016/s0021-9258(19)62032-6.Peer-Reviewed Original ResearchConceptsPleckstrin homology domainBeta II spectrinHomology domainSequence motifsBeta III-spectrinBrain spectrinGlutathione S-transferase fusion proteinRepeat 1S-transferase fusion proteinMembrane association domainNovel functional motifsCOOH-terminal domainG protein bindingDistinct sequence motifsBovine brain spectrinCOOH-terminal sequenceAssociation domainMembrane associationProtein 4.1Spectrin functionSequence comparisonPlasma membraneFunctional motifsRecombinant proteins