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
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 membersHER3Expression