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
2013
HER2/neu gene amplification determines the sensitivity of uterine serous carcinoma cell lines to AZD8055, a novel dual mTORC1/2 inhibitor
English DP, Roque DM, Carrara L, Lopez S, Bellone S, Cocco E, Bortolomai I, Schwartz PE, Rutherford T, Santin AD. HER2/neu gene amplification determines the sensitivity of uterine serous carcinoma cell lines to AZD8055, a novel dual mTORC1/2 inhibitor. Gynecologic Oncology 2013, 131: 753-758. PMID: 24012800, DOI: 10.1016/j.ygyno.2013.08.033.Peer-Reviewed Original ResearchMeSH KeywordsAntineoplastic AgentsCarcinoma, PapillaryCell Line, TumorCystadenocarcinoma, SerousFemaleGene AmplificationHumansMechanistic Target of Rapamycin Complex 1Mechanistic Target of Rapamycin Complex 2MorpholinesMultiprotein ComplexesProtein Kinase InhibitorsReceptor, ErbB-2TOR Serine-Threonine KinasesUterine NeoplasmsConceptsUSC cell linesC-erbB2 gene amplificationUterine serous carcinoma cell linesDual mTORC1/2 inhibitorCarcinoma cell linesC-erbB2Cell linesGene amplificationMTORC1/2 inhibitorsPrimary USC cell linesHER2/neu gene amplificationG0/G1 cell cycle phaseDose-dependent increaseHigh HER-2HER2/neuNeu gene amplificationDose-dependent declinePercentage of cellsUSC patientsHER-2Cell cycle profileDifferential growth inhibitionG1 cell cycle phasePS6 levelsTherapeutic agents