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
2016
Calcium-Sensing Receptor Promotes Breast Cancer by Stimulating Intracrine Actions of Parathyroid Hormone–Related Protein
Kim W, Takyar FM, Swan K, Jeong J, VanHouten J, Sullivan C, Dann P, Yu H, Fiaschi-Taesch N, Chang W, Wysolmerski J. Calcium-Sensing Receptor Promotes Breast Cancer by Stimulating Intracrine Actions of Parathyroid Hormone–Related Protein. Cancer Research 2016, 76: 5348-5360. PMID: 27450451, PMCID: PMC5026591, DOI: 10.1158/0008-5472.can-15-2614.Peer-Reviewed Original ResearchConceptsMMTV-PyMT miceBreast cancer cellsCaSR activationBone metastasesBreast cancerInhibited tumor cell proliferationOsteolytic bone metastasesCancer cellsHuman breast cancer cell linesCalcium-sensing receptorHuman breast cancer cellsHormone-related proteinTransgenic mouse modelBreast cancer cell linesMMTV-PyMT transgenic mouse modelBreast cancer progressionTumor cell proliferationTumor cell growthCancer cell linesPTHrP levelsTissue-specific disruptionHigh extracellular concentrationsPTHrP productionCASR genePTHrP expression