2021
Placenta-derived interferon-stimulated gene 20 controls ZIKA virus infection
Ding J, Aldo P, Roberts CM, Stabach P, Liu H, You Y, Qiu X, Jeong J, Maxwell A, Lindenbach B, Braddock D, Liao A, Mor G. Placenta-derived interferon-stimulated gene 20 controls ZIKA virus infection. EMBO Reports 2021, 22: embr202152450. PMID: 34405956, PMCID: PMC8490983, DOI: 10.15252/embr.202152450.Peer-Reviewed Original ResearchConceptsZika virus infectionVirus infectionTrophoblast cellsPotential immune modulatory functionsInterferon-stimulated gene 20Anti-viral treatmentHigh-risk populationImmune modulatory functionsAnti-viral responseZika viral infectionImportance of preventionPregnant womenReplacement therapyViral infectionFetal developmentZika virusViral titersModulatory functionViral replicationInfectionAdverse effectsGene 20PregnancyPlacentaRNA viruses
2020
Response of the ENPP1‐Deficient Skeletal Phenotype to Oral Phosphate Supplementation and/or Enzyme Replacement Therapy: Comparative Studies in Humans and Mice
Ferreira CR, Kavanagh D, Oheim R, Zimmerman K, Stürznickel J, Li X, Stabach P, Rettig RL, Calderone L, MacKichan C, Wang A, Hutchinson HA, Nelson T, Tommasini SM, von Kroge S, Fiedler IA, Lester ER, Moeckel GW, Busse B, Schinke T, Carpenter TO, Levine MA, Horowitz MC, Braddock DT. Response of the ENPP1‐Deficient Skeletal Phenotype to Oral Phosphate Supplementation and/or Enzyme Replacement Therapy: Comparative Studies in Humans and Mice. Journal Of Bone And Mineral Research 2020, 36: 942-955. PMID: 33465815, PMCID: PMC8739051, DOI: 10.1002/jbmr.4254.Peer-Reviewed Original ResearchConceptsBone mineral densityLow bone mineral densityTrabecular bone massBone massEarly-onset osteoporosisAsj/Conventional therapyLower trabecular bone massGreater bone fragilityRisk of nephrocalcinosisHigh-phosphate dietLow bone massCortical bone massDevelopment of nephrocalcinosisBone biomechanical propertiesAcademic medical centerPlasma phosphorus concentrationsAutosomal recessive hypophosphatemic ricketsRecessive hypophosphatemic ricketsENPP1 deficiencyRachitic phenotypeMedullary nephrocalcinosisRenal failureNormal chowMineral densityMusculoskeletal Comorbidities and Quality of Life in ENPP1‐Deficient Adults and the Response of Enthesopathy to Enzyme Replacement Therapy in Murine Models
Ferreira CR, Ansh AJ, Nester C, O'Brien C, Stabach PR, Murtada S, Lester ER, Khursigara G, Molloy L, Carpenter TO, Braddock DT. Musculoskeletal Comorbidities and Quality of Life in ENPP1‐Deficient Adults and the Response of Enthesopathy to Enzyme Replacement Therapy in Murine Models. Journal Of Bone And Mineral Research 2020, 37: 494-504. PMID: 34882836, PMCID: PMC9667476, DOI: 10.1002/jbmr.4487.Peer-Reviewed Original ResearchConceptsENPP1 deficiencyAsj/Musculoskeletal complicationsBrief Pain Inventory-Short FormPhysical Function Short FormFibroblast growth factor 23Achilles tendon calcificationHealth-related qualityMajority of patientsGrowth factor 23Cervical spine fusionPresence of enthesopathyQuality of lifeAnalgesic medicationRegular chowResidual painAdult patientsDose escalationFactor 23Replacement therapyPhysical functionCardiovascular calcificationTendon calcificationAchilles tendonSpine fusionImproving the Pharmacodynamics and In Vivo Activity of ENPP1‐Fc Through Protein and Glycosylation Engineering
Stabach PR, Zimmerman K, Adame A, Kavanagh D, Saeui CT, Agatemor C, Gray S, Cao W, De La Cruz EM, Yarema KJ, Braddock DT. Improving the Pharmacodynamics and In Vivo Activity of ENPP1‐Fc Through Protein and Glycosylation Engineering. Clinical And Translational Science 2020, 14: 362-372. PMID: 33064927, PMCID: PMC7877847, DOI: 10.1111/cts.12887.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsArea Under CurveDisease Models, AnimalEnzyme Replacement TherapyGlycosylationHalf-LifeHistocompatibility Antigens Class IHumansMaleMice, TransgenicPhosphoric Diester HydrolasesProtein EngineeringProtein Structure, TertiaryPyrophosphatasesReceptors, FcRecombinant Fusion ProteinsVascular CalcificationConceptsProtein engineeringO-BuN-glycansGlycosylation engineeringCellular recyclingENPP1-deficient miceTerminal sialylationBiomanufacturing platformProtein therapeuticsCalcification disordersSialylationCellsVivo activityFc neonatal receptorTherapeuticsArterial calcificationProteinMurine modelManNAcEnzyme replacementNeonatal receptorEfficacious levelsGeneral strategyThree-prong strategyDrug potency
2019
Clinical and Biochemical Phenotypes in a Family With ENPP1 Mutations
Kotwal A, Ferrer A, Kumar R, Singh RJ, Murthy V, Schultz-Rogers L, Zimmermann M, Lanpher B, Zimmerman K, Stabach PR, Klee E, Braddock DT, Wermers RA. Clinical and Biochemical Phenotypes in a Family With ENPP1 Mutations. Journal Of Bone And Mineral Research 2019, 35: 662-670. PMID: 31826312, PMCID: PMC7771569, DOI: 10.1002/jbmr.3938.Peer-Reviewed Original ResearchConceptsAutosomal recessive hypophosphatemic rickets type 2Biallelic mutationsMonoallelic mutationsPrimary hyperparathyroidismPathogenic variantsCarotid intima-media thicknessClassic disease manifestationsNormocalcemic primary hyperparathyroidismC-terminal FGF23Intima-media thicknessWhole-exome sequencingClinical findingsArterial calcificationPeriarticular calcificationSpectrum of phenotypesIntact FGF23Disease manifestationsBilateral femursENPP1 variantsBone deformitiesBiochemical manifestationsType 2ENPP1 geneExome sequencingHyperparathyroidismHuman Heterozygous ENPP1 Deficiency Is Associated With Early Onset Osteoporosis, a Phenotype Recapitulated in a Mouse Model of Enpp1 Deficiency
Oheim R, Zimmerman K, Maulding ND, Stürznickel J, von Kroge S, Kavanagh D, Stabach PR, Kornak U, Tommasini SM, Horowitz MC, Amling M, Thompson D, Schinke T, Busse B, Carpenter TO, Braddock DT. Human Heterozygous ENPP1 Deficiency Is Associated With Early Onset Osteoporosis, a Phenotype Recapitulated in a Mouse Model of Enpp1 Deficiency. Journal Of Bone And Mineral Research 2019, 35: 528-539. PMID: 31805212, PMCID: PMC7184798, DOI: 10.1002/jbmr.3911.Peer-Reviewed Original ResearchConceptsAutosomal recessive hypophosphatemic rickets type 2ENPP1 deficiencyEarly-onset osteoporosisGene-dose effectOnset osteoporosisAsj/Bone mineral density scansBone mineralization disturbancesRenal phosphate wastingCortical boneDose effectMild osteomalaciaMineralization disturbancesFGF23 levelsMild elevationPlasma FGF23Arterial calcificationBone massPhosphate wastingSkeletal manifestationsBone fragilityThoracic spineWild-type family membersType 2Adult men
2015
ENPP1-Fc prevents mortality and vascular calcifications in rodent model of generalized arterial calcification of infancy
Albright RA, Stabach P, Cao W, Kavanagh D, Mullen I, Braddock AA, Covo MS, Tehan M, Yang G, Cheng Z, Bouchard K, Yu ZX, Thorn S, Wang X, Folta-Stogniew EJ, Negrete A, Sinusas AJ, Shiloach J, Zubal G, Madri JA, De La Cruz EM, Braddock DT. ENPP1-Fc prevents mortality and vascular calcifications in rodent model of generalized arterial calcification of infancy. Nature Communications 2015, 6: 10006. PMID: 26624227, PMCID: PMC4686714, DOI: 10.1038/ncomms10006.Peer-Reviewed Original ResearchConceptsChronic kidney diseaseVascular calcificationArterial calcificationOrphan diseaseCommon diseaseSequelae of diseaseEctopic vascular calcificationInternal elastic laminaPrevent mortalityRenal failureCardiac failureKidney diseaseSubcutaneous administrationRodent modelsAnimal modelsEctopic calcificationVascular wallLarge arteriesElastic laminaDiseaseCalcificationCalciphylaxisDecreased concentrationSclerosisArtery
2013
Molecular Basis of Purinergic Signal Metabolism by Ectonucleotide Pyrophosphatase/Phosphodiesterases 4 and 1 and Implications in Stroke*♦
Albright RA, Ornstein DL, Cao W, Chang WC, Robert D, Tehan M, Hoyer D, Liu L, Stabach P, Yang G, De La Cruz EM, Braddock DT. Molecular Basis of Purinergic Signal Metabolism by Ectonucleotide Pyrophosphatase/Phosphodiesterases 4 and 1 and Implications in Stroke*♦. Journal Of Biological Chemistry 2013, 289: 3294-3306. PMID: 24338010, PMCID: PMC3916532, DOI: 10.1074/jbc.m113.505867.Peer-Reviewed Original ResearchConceptsExtracellular membrane proteinsMembrane proteinsSubstrate specificityMolecular basisHigh-resolution crystal structuresResolution crystal structureComparative structural analysisATP hydrolysisNPP1Brain vascular endotheliumCorresponding regionTerminal phosphateLow nanomolar concentrationsPurinergic signalsPlatelet aggregationProteinATPEnzymeNanomolar concentrationsVascular endotheliumPhosphodiesterases 4Ap3AMetabolismSurface of chondrocytesTissue mineralization
2010
Placental Viral Infection Sensitizes to Endotoxin‐Induced Pre‐Term Labor: A Double Hit Hypothesis
Cardenas I, Mor G, Aldo P, Lang SM, Stabach P, Sharp A, Romero R, Mazaki‐Tovi S, Gervasi M, Means RE. Placental Viral Infection Sensitizes to Endotoxin‐Induced Pre‐Term Labor: A Double Hit Hypothesis. American Journal Of Reproductive Immunology 2010, 65: 110-117. PMID: 20712808, PMCID: PMC3025809, DOI: 10.1111/j.1600-0897.2010.00908.x.Peer-Reviewed Original ResearchConceptsPre-term labourPre-term deliveryDouble-hit hypothesisViral infectionPregnancy outcomesBacterial infectionsCytokine/chemokine profilesHit hypothesisConcurrent bacterial infectionFetal immune responsePro-inflammatory cytokinesWild-type miceHuman primary trophoblastsMurine gammaherpesvirus 68Fetal deathChemokine profilesPoor prognosisPregnant womenAdverse outcomesPregnant miceLPS treatmentImmune responseBacterial productsPrimary trophoblastsLow doses
2009
The structure of the ankyrin-binding site of β-spectrin reveals how tandem spectrin-repeats generate unique ligand-binding properties
Stabach PR, Simonović I, Ranieri MA, Aboodi MS, Steitz TA, Simonović M, Morrow JS. The structure of the ankyrin-binding site of β-spectrin reveals how tandem spectrin-repeats generate unique ligand-binding properties. Blood 2009, 113: 5377-5384. PMID: 19168783, PMCID: PMC2689040, DOI: 10.1182/blood-2008-10-184291.Peer-Reviewed Original ResearchAlanineAmino Acid MotifsAmino Acid SequenceAnkyrinsBinding SitesCrystallography, X-RayHumansLigandsMechanotransduction, CellularModels, MolecularMolecular Sequence DataMutagenesis, Site-DirectedProtein BindingProtein FoldingProtein Interaction MappingProtein Structure, TertiaryRepetitive Sequences, Amino AcidSequence Homology, Amino AcidSpectrin
2008
Ankyrin facilitates intracellular trafficking of α1-Na+-K+-ATPase in polarized cells
Stabach PR, Devarajan P, Stankewich MC, Bannykh S, Morrow JS. Ankyrin facilitates intracellular trafficking of α1-Na+-K+-ATPase in polarized cells. American Journal Of Physiology - Cell Physiology 2008, 295: c1202-c1214. PMID: 18768923, PMCID: PMC2584975, DOI: 10.1152/ajpcell.00273.2008.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnkyrin RepeatAnkyrinsCell PolarityChlorocebus aethiopsCOS CellsCytoplasmDogsEndoplasmic ReticulumGolgi ApparatusHumansMembrane GlycoproteinsMonomeric GTP-Binding ProteinsProtein ConformationProtein FoldingProtein Sorting SignalsProtein TransportRatsRecombinant Fusion ProteinsRNA InterferenceRNA, Small InterferingSodium-Potassium-Exchanging ATPaseTime FactorsTransfectionViral Envelope ProteinsConceptsEndoplasmic reticulumSecretory pathwayPlasma membraneVesicular stomatitis virus G proteinMadin-Darby canine kidney cellsVirus G proteinSmall hairpin RNACanine kidney cellsGolgi traffickingAnkyrin RGolgi transportSemipermeabilized cellsER retentionCytoplasmic domainMembrane proteinsAssembly pathwayProtein ankyrinIntracellular traffickingAnkyrinFusion proteinSimilar phenotypeG proteinsSuch phenotypesHairpin RNACultured cells
2006
A limited number of genes are involved in the differentiation of germinal center B cells
Nakayama Y, Stabach P, Maher SE, Mahajan MC, Masiar P, Liao C, Zhang X, Ye Z, Tuck D, Bothwell AL, Newburger PE, Weissman SM. A limited number of genes are involved in the differentiation of germinal center B cells. Journal Of Cellular Biochemistry 2006, 99: 1308-1325. PMID: 16795035, DOI: 10.1002/jcb.20952.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsB-LymphocytesCell DifferentiationCell LineChildChild, PreschoolDithiothreitolDNA-Binding ProteinsGene Expression ProfilingGerminal CenterHumansMolecular Sequence DataNuclear ProteinsOligonucleotide Array Sequence AnalysisPalatine TonsilProtein FoldingRegulatory Factor X Transcription FactorsTranscription FactorsTunicamycinX-Box Binding Protein 1ConceptsUnfolded protein responseX-box binding protein 1Interferon regulatory factor 4Protein 1B lymphocyte-induced maturation protein-1Transcription factor B lymphocyte-induced maturation protein-1Post-transcriptional changesBinding protein 1Maturation protein-1Mature B cellsDisulfide isomeraseTranscription factorsLevel of expressionPlasmacytoma cell lineProtein responseGene expressionRegulatory factor 4GenesGerminal center B cellsLymphoblastoid cellsLimited inductionCell linesB cellsFactor 4Germinal center centroblastsHuman Sec31B: a family of new mammalian orthologues of yeast Sec31p that associate with the COPII coat
Stankewich MC, Stabach PR, Morrow JS. Human Sec31B: a family of new mammalian orthologues of yeast Sec31p that associate with the COPII coat. Journal Of Cell Science 2006, 119: 958-969. PMID: 16495487, DOI: 10.1242/jcs.02751.Peer-Reviewed Original ResearchMeSH KeywordsAlternative SplicingAmino Acid SequenceAnimalsCarrier ProteinsCell LineCells, CulturedChlorocebus aethiopsCloning, MolecularCOP-Coated VesiclesCOS CellsExonsGene Expression RegulationHumansMolecular Sequence DataPhosphoproteinsRNA, MessengerSaccharomyces cerevisiaeSaccharomyces cerevisiae ProteinsSequence AlignmentVesicular Transport ProteinsConceptsCOPII coatProline-rich C-terminal regionEndoplasmic reticulumTerminal proline-rich regionCOPII vesicle coatVesicular tubular clustersProline-rich regionWD repeat domainFull-length proteinAlternative mRNA splicingN-terminal domainC-terminal regionVesicle coatWD repeatsMammalian orthologuesVesicular trafficSecretory pathwayMRNA splicingExon utilizationExon 13Sec31pChromosome 10q24Gene productsSec31BSpecialized functions
2005
AP2α alters the transcriptional activity and stability of p53
Stabach P, Thiyagarajan M, Woodfield G, Weigel R. AP2α alters the transcriptional activity and stability of p53. Oncogene 2005, 25: 2148-2159. PMID: 16288208, DOI: 10.1038/sj.onc.1209250.Peer-Reviewed Original ResearchMeSH KeywordsBreast NeoplasmsChromatin ImmunoprecipitationColonic NeoplasmsCyclin-Dependent Kinase Inhibitor p21Gene Expression Regulation, NeoplasticGenes, ReporterHumansImmunoprecipitationLiver NeoplasmsPoint MutationPromoter Regions, GeneticProtein BindingTranscription Factor AP-2Transcription, GeneticTranscriptional ActivationTumor Cells, CulturedTumor Suppressor Protein p53ConceptsTranscriptional activityEndogenous p53 target genesEndogenous p21 geneNormal transcriptional activityP53 target genesP53-mediated inductionAmino acids 305Stability of p53Expression of aP2Transcriptional coactivationP21WAF1/CIP1P21 promoterTarget genesCertain genesRegion of p53AP2αReporter assaysP21 geneFunctional partnershipP53 stabilityP53 activityCell growthPoint mutationsAP2GenesExpression of ZER6 in ERα-Positive Breast Cancer
Stabach P, Thiyagarajan M, Weigel R. Expression of ZER6 in ERα-Positive Breast Cancer. Journal Of Surgical Research 2005, 126: 86-91. PMID: 15916980, DOI: 10.1016/j.jss.2005.02.006.Peer-Reviewed Original ResearchConceptsBreast cancerBreast carcinoma cellsERalpha-positive breast cancer cellsERalpha-negative breast cancersHormone-responsive breast cancerPrimary breast cancer tissuesERα-positive breast cancerERalpha-negative tumorsERalpha-positive tumorsCarcinoma cellsPrimary breast cancerERalpha-positive cell linesBreast cancer tissuesBreast cancer cellsERalpha expressionCancer tissuesCancerWestern blotRT-PCRCancer cellsLigand-dependent interactionCell linesTranscription factorsExpression of genesTumors
2000
βiv Spectrin, a New Spectrin Localized at Axon Initial Segments and Nodes of Ranvier in the Central and Peripheral Nervous System
Berghs S, Aggujaro D, Dirkx R, Maksimova E, Stabach P, Hermel J, Zhang J, Philbrick W, Slepnev V, Ort T, Solimena M. βiv Spectrin, a New Spectrin Localized at Axon Initial Segments and Nodes of Ranvier in the Central and Peripheral Nervous System. Journal Of Cell Biology 2000, 151: 985-1002. PMID: 11086001, PMCID: PMC2174349, DOI: 10.1083/jcb.151.5.985.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsAnkyrinsAutoantigensAxonsBlood ProteinsBrain ChemistryChromosomesCloning, MolecularCOS CellsCytoplasmCytoskeletonDiabetic NeuropathiesGene ExpressionHippocampusHumansIslets of LangerhansMaleMembrane ProteinsMiceMolecular Sequence DataNerve Tissue ProteinsPhosphoproteinsProtein Structure, TertiaryProtein Tyrosine PhosphatasesRanvier's NodesRatsRats, Sprague-DawleyReceptor-Like Protein Tyrosine Phosphatases, Class 8RNA, MessengerSciatic NerveSignal TransductionSodium ChannelsSpectrinConceptsPleckstrin homology domainHomology domainBetaIV spectrinActin-binding domainAxon initial segmentPutative SH3Alternative splicingSpectrin geneSpectrin repeatsDetergent extractabilityCell adhesion moleculeNodes of RanvierSubcellular fractionationTerminal halfAdditional isoformsDistinct isoformsLong isoformNorthern blotSpectrinAbundant expressionΒIV-spectrinIsoformsSpectrin antibodiesEmbryonic day 19Initial segmentIdentification 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 sequence
1998
A widely expressed βIII spectrin associated with Golgi and cytoplasmic vesicles
Stankewich M, Tse W, Peters L, Ch’ng Y, John K, Stabach P, Devarajan P, Morrow J, Lux S. A widely expressed βIII spectrin associated with Golgi and cytoplasmic vesicles. Proceedings Of The National Academy Of Sciences Of The United States Of America 1998, 95: 14158-14163. PMID: 9826670, PMCID: PMC24343, DOI: 10.1073/pnas.95.24.14158.Peer-Reviewed Original ResearchConceptsBetaIII spectrinGene mapsMembrane skeletonEndoplasmic reticulum marker calnexinPlasma membrane skeletonPleckstrin homology domainTrans-Golgi networkHuman brain cDNASyntenic regionsGene familyProtein 4.1Membrane associationCompartment markersImportant structural componentDa proteinSelf-association siteGolgi membranesHomology searchCDNA endsRapid amplificationUnidentified isoformChromosome 19Liver Golgi membranesGenBank databaseVesicle markersUtilization of an 86bp exon generates a novel adducin isoform (β4) lacking the MARCKS homology domain1The first two authors contributed equally to this work.1
Sinard J, Stewart G, Stabach P, Argent A, Gilligan D, Morrow J. Utilization of an 86bp exon generates a novel adducin isoform (β4) lacking the MARCKS homology domain1The first two authors contributed equally to this work.1. Biochimica Et Biophysica Acta 1998, 1396: 57-66. PMID: 9524222, DOI: 10.1016/s0167-4781(97)00167-x.Peer-Reviewed Original ResearchMeSH KeywordsAlternative SplicingAmino Acid SequenceBase SequenceCalmodulin-Binding ProteinsCloning, MolecularExonsHumansIntracellular Signaling Peptides and ProteinsIsomerismMembrane ProteinsMolecular Sequence DataMyristoylated Alanine-Rich C Kinase SubstrateOrgan SpecificityPolymerase Chain ReactionProtein Structure, TertiaryProteinsSequence Homology, Amino AcidSequence Homology, Nucleic AcidTranscription, GeneticConceptsNovel amino acidAmino acidsBeta-adducinNew isoformHuman bone marrow cDNA libraryBone marrow cDNA libraryDifferent reading framesCalcium/calmodulinLysine-rich sequenceNT-2 cellsProtein kinase CGenomic clonesGenomic mapNew amino acidsAlternate exonsActin crossCDNA libraryReading frameSplice consensus sequenceNew exonsNovel isoformConsensus sequenceStop codonKinase CExons
1997
Na,K-ATPase transport from endoplasmic reticulum to Golgi requires the Golgi spectrin–ankyrin G119 skeleton in Madin Darby canine kidney cells
Devarajan P, Stabach P, De Matteis M, Morrow J. Na,K-ATPase transport from endoplasmic reticulum to Golgi requires the Golgi spectrin–ankyrin G119 skeleton in Madin Darby canine kidney cells. Proceedings Of The National Academy Of Sciences Of The United States Of America 1997, 94: 10711-10716. PMID: 9380700, PMCID: PMC23456, DOI: 10.1073/pnas.94.20.10711.Peer-Reviewed Original ResearchConceptsMembrane proteinsEndoplasmic reticulumSpectrin skeletonVesicular tubular clustersActin-binding domainSpecific membrane proteinsMadin-Darby canine kidney cellsK-ATPase transportCanine kidney cellsDynactin complexVesicle traffickingCargo proteinsGolgi spectrinTrafficking systemBeta-COPMembrane compartmentsTransport of alphaAdapter proteinCis-GolgiGolgi membranesGolgi stacksDocking complexBetaI spectrinGolgiBeta NA