1994
Ankyrin binds to two distinct cytoplasmic domains of Na,K-ATPase alpha subunit.
Devarajan P, Scaramuzzino D, Morrow J. Ankyrin binds to two distinct cytoplasmic domains of Na,K-ATPase alpha subunit. Proceedings Of The National Academy Of Sciences Of The United States Of America 1994, 91: 2965-2969. PMID: 8159688, PMCID: PMC43495, DOI: 10.1073/pnas.91.8.2965.Peer-Reviewed Original ResearchConceptsK-ATPase alpha subunitMembrane transport proteinsCytoplasmic domainAlpha subunitK-ATPaseTransport proteinsIntegral membrane transport proteinsDomain IIPutative cytoplasmic domainInteraction of ankyrinDistinct cytoplasmic domainsATPase domainHuman erythrocyte spectrinSignificant homologyUbiquitous proteinSpectrin cytoskeletonRecombinant fusion proteinPrimary sequenceAnkyrinFusion proteinChannel proteinsClear functionSubunitsProteinSpectrin binds
1989
Calmodulin Regulates Fodrin Susceptibility to Cleavage by Calciumdependent Protease I
Harris A, Croall D, Morrow J. Calmodulin Regulates Fodrin Susceptibility to Cleavage by Calciumdependent Protease I. Journal Of Biological Chemistry 1989, 264: 17401-17408. PMID: 2551900, DOI: 10.1016/s0021-9258(18)71508-1.Peer-Reviewed Original ResearchConceptsAlpha subunitProtease IAbsence of CaMRegulated proteolysisEukaryotic cellsRegulation of plasticityCortical cytoskeletonCalmodulin bindingQuaternary structureBeta subunitSubunitsTetrameric formCalcium-dependent proteolysisFodrinProteolysisCaM antagonistsAlpha-fodrinFunctional evidenceDifferential susceptibilityCaM.Fodrin proteolysisIsotonic bufferCytoskeletonClose proximityCalmodulinAnkyrin links fodrin to the alpha subunit of Na,K-ATPase in Madin-Darby canine kidney cells and in intact renal tubule cells.
Morrow J, Cianci C, Ardito T, Mann A, Kashgarian M. Ankyrin links fodrin to the alpha subunit of Na,K-ATPase in Madin-Darby canine kidney cells and in intact renal tubule cells. Journal Of Cell Biology 1989, 108: 455-465. PMID: 2537316, PMCID: PMC2115445, DOI: 10.1083/jcb.108.2.455.Peer-Reviewed Original ResearchConceptsMadin-Darby canine kidney cellsCanine kidney cellsK-ATPaseAlpha subunitMolecular mechanismsMDCK cellsMinor membrane proteinsDistribution of fodrinErythrocyte ankyrinConfluent MDCK cellsBinding of ankyrinKidney cellsHuman erythrocyte ankyrinRenal epithelial cellsCytoplasmic domainNonerythroid cellsMembrane proteinsCortical cytoskeletonBasolateral domainMembrane skeletonPolarized distributionAnkyrinBasolateral marginsCell developmentErythrocyte band 3Functional diversity among spectrin isoforms
Coleman T, Fishkind D, Mooseker M, Morrow J. Functional diversity among spectrin isoforms. Cytoskeleton 1989, 12: 225-247. PMID: 2655937, DOI: 10.1002/cm.970120405.Peer-Reviewed Original ResearchConceptsSpectrin isoformsBeta subunitMembrane skeletal proteinsFunctional diversityUbiquitous familySubcellular localizationMembrane linkageCommon alpha subunitSkeletal proteinsAlpha subunitNonerythroid spectrinStructural comparisonCell typesMajor functional differencesSpectrinFunctional differencesSubunitsIsoformsFunctional propertiesSummary of studiesProteinDiversityObserved differencesOwn laboratoryLinkage
1988
Proteolytic processing of human brain alpha spectrin (fodrin): identification of a hypersensitive site
Harris A, Morrow J. Proteolytic processing of human brain alpha spectrin (fodrin): identification of a hypersensitive site. Journal Of Neuroscience 1988, 8: 2640-2651. PMID: 3074159, PMCID: PMC6569499, DOI: 10.1523/jneurosci.08-07-02640.1988.Peer-Reviewed Original ResearchConceptsLong-term potentiationBrain spectrinCalcium-dependent mechanismCalcium-dependent neutral proteaseCalcium-dependent proteaseCentral molecular mechanismsSite of actionReceptor functionPostsynaptic membraneCalcium-dependent mannerFurther investigationMolecular mechanismsGel overlay techniqueAlpha subunitNeutral proteaseNonerythroid spectrinImportant moleculesProteolytic processingCleavage fragmentsPotentiationProtease
1987
Beta spectrin bestows protein 4.1 sensitivity on spectrin-actin interactions.
Coleman T, Harris A, Mische S, Mooseker M, Morrow J. Beta spectrin bestows protein 4.1 sensitivity on spectrin-actin interactions. Journal Of Cell Biology 1987, 104: 519-526. PMID: 3818791, PMCID: PMC2114562, DOI: 10.1083/jcb.104.3.519.Peer-Reviewed Original Research
1986
Abnormal spectrin in hereditary elliptocytosis.
Marchesi S, Knowles W, Morrow J, Bologna M, Marchesi V. Abnormal spectrin in hereditary elliptocytosis. Blood 1986, 67: 141-51. PMID: 3940543, DOI: 10.1182/blood.v67.1.141.bloodjournal671141.Peer-Reviewed Original ResearchConceptsClinical expressionHemolytic anemiaSubset of patientsRare hemolytic anemiaAlpha iAlpha II domainAlpha subunitHereditary pyropoikilocytosisFunctional resultsSpectrin alpha subunitHereditary elliptocytosisHematologic diseasesAnemiaMild elliptocytosisAbnormal spectrinSeverityPresent studyKD peptideExpressionD-peptidesFrequent occurrenceSpectrin self-associationMechanisms of cytoskeletal regulation: Functional and antigenic diversity in human erythrocyte and brain beta spectrin
Harris A, Anderson J, Yurchenco P, Green L, Ainger K, Morrow J. Mechanisms of cytoskeletal regulation: Functional and antigenic diversity in human erythrocyte and brain beta spectrin. Journal Of Cellular Biochemistry 1986, 30: 51-69. PMID: 2420811, DOI: 10.1002/jcb.240300107.Peer-Reviewed Original ResearchAbnormal Spectrin in Hereditary Elliptocytosis
Marchesi S, Knowles W, Morrow J, Bologna M, Marchesi V. Abnormal Spectrin in Hereditary Elliptocytosis. Blood 1986, 67: 141-151. DOI: 10.1182/blood.v67.1.141.141.Peer-Reviewed Original ResearchClinical expressionHemolytic anemiaSubset of patientsRare hemolytic anemiaAlpha iAlpha II domainAlpha subunitHereditary pyropoikilocytosisFunctional resultsSpectrin alpha subunitHereditary elliptocytosisHematologic diseasesAnemiaMild elliptocytosisAbnormal spectrinSeverityPresent studyKD peptideD-peptidesExpressionFrequent occurrenceSpectrin self-association
1985
Mechanism of cytoskeletal regulation (I): functional differences correlate with antigenic dissimilarity in human brain and erythrocyte spectrin
Harris A, Green L, Ainger K, Morrow J. Mechanism of cytoskeletal regulation (I): functional differences correlate with antigenic dissimilarity in human brain and erythrocyte spectrin. Biochimica Et Biophysica Acta 1985, 830: 147-158. PMID: 2410030, DOI: 10.1016/0167-4838(85)90022-6.Peer-Reviewed Original Research