2022
PTHrP induces STAT5 activation, secretory differentiation and accelerates mammary tumor development
Grinman DY, Boras-Granic K, Takyar FM, Dann P, Hens JR, Marmol C, Lee J, Choi J, Chodosh LA, Sola MEG, Wysolmerski JJ. PTHrP induces STAT5 activation, secretory differentiation and accelerates mammary tumor development. Breast Cancer Research 2022, 24: 30. PMID: 35440032, PMCID: PMC9020078, DOI: 10.1186/s13058-022-01523-1.Peer-Reviewed Original ResearchConceptsOverexpression of PTHrPSecretory differentiationEpithelial cellsPTHrP overexpressionTumor latencyBreast cancerMammary epithelial cellsType 1 PTH/PTHrP receptorMMTV-PyMT breast cancer modelPTH/PTHrP receptorMMTV-PyMT miceMammary tumor developmentBreast cancer riskBreast cancer biologyExpression of PTHrPHormone-related proteinHuman breast cancerBreast cancer modelE74-like factor 5Normal mammary epithelial cellsBreast cancer progressionMouse mammary tumorsExpression of markersAlveolar epithelial cellsLuminal epithelial cells
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 ResearchConceptsPlasma 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
2018
Inhibition of ezrin causes PKCα-mediated internalization of erbb2/HER2 tyrosine kinase in breast cancer cells
Jeong J, Choi J, Kim W, Dann P, Takyar F, Gefter JV, Friedman PA, Wysolmerski J. Inhibition of ezrin causes PKCα-mediated internalization of erbb2/HER2 tyrosine kinase in breast cancer cells. Journal Of Biological Chemistry 2018, 294: 887-901. PMID: 30463939, PMCID: PMC6341383, DOI: 10.1074/jbc.ra118.004143.Peer-Reviewed Original ResearchConceptsBreast cancer cellsBreast cancerCancer cellsHER2-positive breast cancer cell linesHER2-positive breast cancer cellsInvasive breast cancerDegradation of HER2Breast cancer cell linesHuman breast cancerNormal mammary epithelial cellsInhibition of EzrinHER2 tyrosine kinaseErbB family membersPMCA2 levelsCancer cell linesDuctal carcinomaHER2 expressionHER2 levelsMammary epithelial cellsHER2Human patientsPharmacologic inhibitionActive HER2Ezrin expressionGenetic knockdown
2017
The 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
2008
Switching of G-protein Usage by the Calcium-sensing Receptor Reverses Its Effect on Parathyroid Hormone-related Protein Secretion in Normal Versus Malignant Breast Cells*
Mamillapalli R, VanHouten J, Zawalich W, Wysolmerski J. Switching of G-protein Usage by the Calcium-sensing Receptor Reverses Its Effect on Parathyroid Hormone-related Protein Secretion in Normal Versus Malignant Breast Cells*. Journal Of Biological Chemistry 2008, 283: 24435-24447. PMID: 18621740, PMCID: PMC2528989, DOI: 10.1074/jbc.m801738200.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBone NeoplasmsBreast NeoplasmsCell Line, TumorCyclic AMPCyclic AMP-Dependent Protein KinasesFemaleGTP-Binding Protein alpha SubunitsHumansHypercalcemiaLactationMammary Glands, AnimalMammary Neoplasms, AnimalMAP Kinase Signaling SystemMiceNeoplasm MetastasisNeoplasm ProteinsParathyroid Hormone-Related ProteinPregnancyReceptors, Calcium-SensingType C PhospholipasesConceptsG-protein usagePTHrP productionMammary epithelial cellsBreast cancer cellsBreast cellsMCF-7 cellsParathyroid hormone-related protein secretionParathyroid hormone-related proteinParathyroid hormone secretionCancer cellsMCF-7 human breast cancer cellsCalcium-sensing receptorHuman breast cancer cellsHormone-related proteinNormal mammary epithelial cellsRegulation of calciumMalignant breast cellsNormal breast cellsG protein-coupled receptorsG protein couplingBone metastasesPTHrP secretionHormone secretionBone metabolismBreast cancer