2015
Dual HER2/PIK3CA Targeting Overcomes Single-Agent Acquired Resistance in HER2-Amplified Uterine Serous Carcinoma Cell Lines In Vitro and In Vivo
Lopez S, Cocco E, Black J, Bellone S, Bonazzoli E, Predolini F, Ferrari F, Schwab CL, English DP, Ratner E, Silasi DA, Azodi M, Schwartz PE, Terranova C, Angioli R, Santin AD. Dual HER2/PIK3CA Targeting Overcomes Single-Agent Acquired Resistance in HER2-Amplified Uterine Serous Carcinoma Cell Lines In Vitro and In Vivo. Molecular Cancer Therapeutics 2015, 14: 2519-2526. PMID: 26333383, PMCID: PMC4636465, DOI: 10.1158/1535-7163.mct-15-0383.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntineoplastic Combined Chemotherapy ProtocolsCell CycleCell Line, TumorCell SurvivalClass I Phosphatidylinositol 3-KinasesCystadenocarcinoma, SerousDose-Response Relationship, DrugDrug SynergismFemaleGene AmplificationHumansImidazolesImmunoblottingMice, SCIDMutationOxazepinesPhosphatidylinositol 3-KinasesPhosphoinositide-3 Kinase InhibitorsPhosphorylationQuinolinesReceptor, ErbB-2Uterine NeoplasmsXenograft Model Antitumor AssaysConceptsHER2/neu gene amplificationNeu gene amplificationUSC xenograftsUterine serous carcinomaGene amplificationUterine serous carcinoma cell linesSingle-agent therapyNovel therapeutic optionsWild-type PIK3CADose-dependent increaseIdeal therapeutic targetUSC cell linesCell linesDose-dependent declineFlow cytometry assayG0-G1 phaseCell cycle distributionOncogenic PIK3CA mutationsPercentage of cellsUSC patientsEndometrial cancerAggressive variantSerous carcinomaTherapeutic optionsCarcinoma cell linesDacomitinib (PF-00299804), a second-generation irreversible pan-erbB receptor tyrosine kinase inhibitor, demonstrates remarkable activity against HER2-amplified uterine serous endometrial cancer in vitro
Zhu L, Lopez S, Bellone S, Black J, Cocco E, Zigras T, Predolini F, Bonazzoli E, Bussi B, Stuhmer Z, Schwab CL, English DP, Ratner E, Silasi DA, Azodi M, Schwartz PE, Rutherford TJ, Santin AD. Dacomitinib (PF-00299804), a second-generation irreversible pan-erbB receptor tyrosine kinase inhibitor, demonstrates remarkable activity against HER2-amplified uterine serous endometrial cancer in vitro. Tumor Biology 2015, 36: 5505-5513. PMID: 25669172, PMCID: PMC5573583, DOI: 10.1007/s13277-015-3218-4.Peer-Reviewed Original ResearchConceptsUterine serous carcinomaReceptor tyrosine kinase inhibitorsHER2/neu gene amplificationTyrosine kinase inhibitorsUSC cell linesNeu gene amplificationEndometrial cancerIrreversible pan-ErbB receptor tyrosine kinase inhibitorEpidermal growth factor receptor tyrosine kinase inhibitorsGrowth factor receptor tyrosine kinase inhibitorsEpidermal growth factor receptor 2Cell linesKinase inhibitorsEffect of dacomitinibStandard salvage chemotherapyGrowth factor receptor 2Serous endometrial cancerFlow cytometry-based assayHER2/neuFactor receptor 2Dose-dependent declineGene amplificationCell cycle distributionCytometry-based assayGrowth inhibition
2014
Afatinib demonstrates remarkable activity against HER2-amplified uterine serous endometrial cancer in vitro and in vivo
Schwab CL, Bellone S, English DP, Roque DM, Lopez S, Cocco E, Nicoletti R, Bortolomai I, Bonazzoli E, Ratner E, Silasi DA, Azodi M, Schwartz PE, Rutherford TJ, Santin AD. Afatinib demonstrates remarkable activity against HER2-amplified uterine serous endometrial cancer in vitro and in vivo. British Journal Of Cancer 2014, 111: 1750-1756. PMID: 25268372, PMCID: PMC4453741, DOI: 10.1038/bjc.2014.519.Peer-Reviewed Original ResearchMeSH KeywordsAdultAfatinibAgedAged, 80 and overAnimalsApoptosisCell CycleCell ProliferationCystadenocarcinoma, SerousEndometrial NeoplasmsFemaleHumansImmunoenzyme TechniquesIn Situ Hybridization, FluorescenceIn Vitro TechniquesMiceMice, SCIDMiddle AgedPhosphorylationQuinazolinesReceptor, ErbB-2Signal TransductionTumor Cells, CulturedUterine NeoplasmsXenograft Model Antitumor AssaysConceptsUterine serous carcinomaUSC cell linesHER2/neu gene amplificationNeu gene amplificationAfatinib exposureOverall survivalCell linesHER2/neu amplificationEfficacy of afatinibPrimary USC cell linesGrowth of HER2Treatment of HER2Serous endometrial cancerErbB tyrosine kinase inhibitorsHER2/neuTyrosine kinase inhibitorsGene amplificationFlow cytometry assayCell cycle distributionUSC xenograftsEndometrial cancerSerous carcinomaUterine cancerAggressive formTumor xenografts