2021
MAL2 mediates the formation of stable HER2 signaling complexes within lipid raft-rich membrane protrusions in breast cancer cells
Jeong J, Shin JH, Li W, Hong JY, Lim J, Hwang JY, Chung JJ, Yan Q, Liu Y, Choi J, Wysolmerski J. MAL2 mediates the formation of stable HER2 signaling complexes within lipid raft-rich membrane protrusions in breast cancer cells. Cell Reports 2021, 37: 110160. PMID: 34965434, PMCID: PMC8762588, DOI: 10.1016/j.celrep.2021.110160.Peer-Reviewed Original ResearchMeSH KeywordsAntineoplastic Agents, ImmunologicalBreast NeoplasmsCell ProliferationCytoskeletal ProteinsDrug Resistance, NeoplasmEndocytosisFemaleHumansMembrane MicrodomainsMyelin and Lymphocyte-Associated Proteolipid ProteinsPhosphoproteinsPlasma Membrane Calcium-Transporting ATPasesReceptor, ErbB-2Sodium-Hydrogen ExchangersTrastuzumabTumor Cells, CulturedConceptsLipid raft formationBreast cancer cellsLipid raftsLipid raft resident proteinsCancer cellsRaft formationRaft-resident proteinsProximity ligation assayProtein complexesMembrane protrusionsProtein interactionsPlasma membraneLigation assayMAL2Membrane stabilityStructural organizationPotential therapeutic targetPhysical interactionMembrane retentionProteinRaftsTherapeutic targetCellsIntracellular calcium concentrationLow intracellular calcium concentration
2019
NHERF1 Is Required for Localization of PMCA2 and Suppression of Early Involution in the Female Lactating Mammary Gland
Jeong J, Kim W, Hens J, Dann P, Schedin P, Friedman PA, Wysolmerski JJ. NHERF1 Is Required for Localization of PMCA2 and Suppression of Early Involution in the Female Lactating Mammary Gland. Endocrinology 2019, 160: 1797-1810. PMID: 31087002, PMCID: PMC6619491, DOI: 10.1210/en.2019-00230.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell PolarityFemaleLactationMammary Glands, AnimalMiceMice, Inbred C57BLMice, KnockoutPhosphoproteinsPlasma Membrane Calcium-Transporting ATPasesSodium-Hydrogen ExchangersConceptsPlasma membrane calcium ATPase 2Mammary epithelial cellsSpecialized plasma membrane domainsMammary epithelial cell deathLuminal epithelial cellsCell deathPremature mammary gland involutionBreast cancer cellsApical-basal polarityEpithelial cellsPlasma membrane domainsApical membraneSecretory luminal epithelial cellsExchanger regulatory factor 1Cell death pathwaysNHERF1 expressionMammary gland involutionCancer cellsRegulatory factor 1Sodium-hydrogen exchanger regulatory factor-1Lactating Mammary GlandNormal mammary epithelial cellsMembrane localizationEpithelial cell deathMembrane domains
2017
HER2 signaling regulates HER2 localization and membrane retention
Jeong J, Kim W, Kim LK, VanHouten J, Wysolmerski JJ. HER2 signaling regulates HER2 localization and membrane retention. PLOS ONE 2017, 12: e0174849. PMID: 28369073, PMCID: PMC5378417, DOI: 10.1371/journal.pone.0174849.Peer-Reviewed Original ResearchMeSH KeywordsAntineoplastic AgentsApoptosisBreast NeoplasmsCalciumCell Line, TumorCell MembraneCell ProliferationErbB ReceptorsGene Knockdown TechniquesHumansIntracellular SpaceLapatinibPlasma Membrane Calcium-Transporting ATPasesQuinazolinesReceptor, ErbB-2Receptor, ErbB-3RNA, Small InterferingUbiquitinationConceptsMembrane protrusionsCell surfaceSpecific plasma membrane domainsPlasma membrane domainsReceptor tyrosine kinasesMembrane domainsErbB family membersErbB3/HER3Tyrosine kinaseGenetic knockdownHER2 ubiquitinationHER2/HER3PMCA2 expressionPharmacologic inhibitionUbiquitinationERBB2 geneHsp90HER2/EGFRCalcium pumpMembrane retentionInternalizationHuman breast cancerFamily membersHER3ExpressionThe scaffolding protein NHERF1 regulates the stability and activity of the tyrosine kinase HER2
Jeong J, VanHouten JN, Kim W, Dann P, Sullivan C, Choi J, Sneddon WB, Friedman PA, Wysolmerski JJ. The scaffolding protein NHERF1 regulates the stability and activity of the tyrosine kinase HER2. Journal Of Biological Chemistry 2017, 292: 6555-6568. PMID: 28235801, PMCID: PMC5399107, DOI: 10.1074/jbc.m116.770883.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid MotifsAnimalsApoptosisBreast NeoplasmsCalciumCell Line, TumorCell MembraneCell ProliferationFemaleGene Expression ProfilingGene Expression Regulation, NeoplasticGene Knockdown TechniquesHSP90 Heat-Shock ProteinsHumansMiceMicroscopy, FluorescencePhosphoproteinsPlasma Membrane Calcium-Transporting ATPasesReceptor, ErbB-2RNA, MessengerSignal TransductionSodium-Hydrogen ExchangersConceptsBreast cancerHER2-positive breast cancerHER2-positive statusInvasive breast cancerHuman ductal carcinomaDegradation of HER2Normal mammary epithelial cellsMalignant breast cellsBreast cancer cellsErbB2/HER2Tyrosine kinase HER2Sodium-hydrogen exchanger regulatory factor-1Ductal carcinomaHER2 expressionExchanger regulatory factor 1Mammary epithelial cellsHER2Regulatory factor 1NHERF1 expressionBreast cellsEpithelial cellsCancerCancer cellsFactor 1PMCA2
2016
PMCA2 regulates HER2 protein kinase localization and signaling and promotes HER2-mediated breast cancer
Jeong J, VanHouten JN, Dann P, Kim W, Sullivan C, Yu H, Liotta L, Espina V, Stern DF, Friedman PA, Wysolmerski JJ. PMCA2 regulates HER2 protein kinase localization and signaling and promotes HER2-mediated breast cancer. Proceedings Of The National Academy Of Sciences Of The United States Of America 2016, 113: e282-e290. PMID: 26729871, PMCID: PMC4725473, DOI: 10.1073/pnas.1516138113.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBreast NeoplasmsCalciumCarcinogenesisCell Line, TumorCell MembraneCell ProliferationCell SurvivalEndocytosisFemaleFluorescent Antibody TechniqueForkhead Box Protein O1Forkhead Transcription FactorsGene Knockdown TechniquesHSP90 Heat-Shock ProteinsHumansImmunoblottingIntracellular SpaceMammary Neoplasms, AnimalMicePlasma Membrane Calcium-Transporting ATPasesProtein BindingProtein TransportReceptor, ErbB-2Signal TransductionSurvival AnalysisConceptsBreast cancerHigh tumor levelsDegradation of HER2Increases Intracellular CalciumMouse mammary tumor virusBreast cancer cellsMammary tumor virusPMCA2 levelsNeu miceTumor levelsFormation of tumorsHER2 levelsIntracellular calciumTherapeutic targetBreast tumorsHER2Milk calciumExpression correlatesCancerHSP 90Mammary glandCancer cellsTumor virusTumorsCalcium
2010
PMCA2 regulates apoptosis during mammary gland involution and predicts outcome in breast cancer
VanHouten J, Sullivan C, Bazinet C, Ryoo T, Camp R, Rimm DL, Chung G, Wysolmerski J. PMCA2 regulates apoptosis during mammary gland involution and predicts outcome in breast cancer. Proceedings Of The National Academy Of Sciences Of The United States Of America 2010, 107: 11405-11410. PMID: 20534448, PMCID: PMC2895115, DOI: 10.1073/pnas.0911186107.Peer-Reviewed Original ResearchConceptsPMCA2 expressionBreast cancerT47D breast cancer cellsIntracellular calcium levelsBreast cancer progressionBreast cancer cellsEpithelial cell apoptosisPoor outcomeIntracellular calciumCalcium levelsMammary gland involutionCancer progressionCell apoptosisCancer cellsMammary involutionApoptosisGland involutionCancerMammary epithelial cell apoptosisOutcomesPMCA2Triggers apoptosisApical surfaceExpressionOverexpression
2007
The Calcium-Sensing Receptor Regulates Plasma Membrane Calcium Adenosine Triphosphatase Isoform 2 Activity in Mammary Epithelial Cells: A Mechanism for Calcium-Regulated Calcium Transport into Milk
VanHouten JN, Neville MC, Wysolmerski JJ. The Calcium-Sensing Receptor Regulates Plasma Membrane Calcium Adenosine Triphosphatase Isoform 2 Activity in Mammary Epithelial Cells: A Mechanism for Calcium-Regulated Calcium Transport into Milk. Endocrinology 2007, 148: 5943-5954. PMID: 17823248, PMCID: PMC7108505, DOI: 10.1210/en.2007-0850.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBiological TransportBlotting, WesternCalciumCells, CulturedEpithelial CellsFemaleFluorescent Antibody TechniqueGadoliniumIsoenzymesLactationMammary Glands, AnimalMiceMice, Inbred BALB CMicroscopy, ImmunoelectronMilkMilk ProteinsMutationOligonucleotide Array Sequence AnalysisPlasma Membrane Calcium-Transporting ATPasesReceptors, Calcium-SensingReverse Transcriptase Polymerase Chain ReactionConceptsPlasma membrane calcium ATPase isoform 2Mammary epithelial cellsMouse mammary epithelial cellsEpH4 mouse mammary epithelial cellsEpithelial cellsGenome-wide screening strategyApical plasma membraneATPase activityPotential downstream targetsATPase isoform 2Mouse mammary glandPlasma membrane preparationsDeafwaddler miceTransepithelial calcium transportPlasma membraneDownstream targetsGene knockdownPMCA2 activityCalcium transportIsoform 2Calcium-dependent ATPase activityCell membraneCultured primaryCalcium-sensing receptorPMCA2 expression