2024
Integrated mutational landscape analysis of poorly differentiated high-grade neuroendocrine carcinoma of the uterine cervix
Bellone S, Jeong K, Halle M, Krakstad C, McNamara B, Greenman M, Mutlu L, Demirkiran C, Hartwich T, Yang-Hartwich Y, Zipponi M, Buza N, Hui P, Raspagliesi F, Lopez S, Paolini B, Milione M, Perrone E, Scambia G, Altwerger G, Ravaggi A, Bignotti E, Huang G, Andikyan V, Clark M, Ratner E, Azodi M, Schwartz P, Quick C, Angioli R, Terranova C, Zaidi S, Nandi S, Alexandrov L, Siegel E, Choi J, Schlessinger J, Santin A. Integrated mutational landscape analysis of poorly differentiated high-grade neuroendocrine carcinoma of the uterine cervix. Proceedings Of The National Academy Of Sciences Of The United States Of America 2024, 121: e2321898121. PMID: 38625939, PMCID: PMC11046577, DOI: 10.1073/pnas.2321898121.Peer-Reviewed Original ResearchConceptsWhole-exome sequencingPatient-derived-xenograftsBase excision repairCopy number lossMultiregion whole-exome sequencingCopy number gainHigh-grade neuroendocrine carcinomaCNV analysisPhylogenetic analysisEvolutionary historyNeuroendocrine cervical cancerHuman papillomavirus DNAMutator phenotypeSensitivity to afatinibGenetic landscapeRecurrent mutationsRNA sequencingGene fusionsMutational landscape analysisExcision repairGenesMutationsPan-HERConsistent with deficiencyNeuroendocrine carcinoma
2019
PI3K oncogenic mutations mediate resistance to afatinib in HER2/neu overexpressing gynecological cancers
Bonazzoli E, Cocco E, Lopez S, Bellone S, Zammataro L, Bianchi A, Manzano A, Yadav G, Manara P, Perrone E, Haines K, Espinal M, Dugan K, Menderes G, Altwerger G, Han C, Zeybek B, Litkouhi B, Ratner E, Silasi DA, Huang GS, Azodi M, Schwartz PE, Santin AD. PI3K oncogenic mutations mediate resistance to afatinib in HER2/neu overexpressing gynecological cancers. Gynecologic Oncology 2019, 153: 158-164. PMID: 30630630, PMCID: PMC6430698, DOI: 10.1016/j.ygyno.2019.01.002.Peer-Reviewed Original ResearchMeSH KeywordsAdultAfatinibAgedAnimalsAntineoplastic AgentsCell Line, TumorClass I Phosphatidylinositol 3-KinasesClass Ia Phosphatidylinositol 3-KinaseDrug Resistance, NeoplasmFemaleGenital Neoplasms, FemaleHumansMiceMice, SCIDMiddle AgedMutationPhosphatidylinositol 3-KinasesProtein Kinase InhibitorsReceptor, ErbB-2TransfectionXenograft Model Antitumor AssaysConceptsHER2/neuAKT/mTOR pathwayPIK3CA mutationsMTOR pathwayActivity of afatinibEffect of afatinibPI3K/AKT/mTOR pathwayPotential mechanismsPIK3CA/AKT/mTOR pathwayRapid tumor growthGreater compensatory increasePI3K mutationsAmplification/mutationOncogenic PIK3CA mutationsAfatinib exposurePIK3CA H1047RGynecological cancerClinical trialsMTOR inhibitorsAfatinibTumor growthCompensatory increasePhosphorylated Akt proteinPIK3CA geneC-erb
2016
SYD985, a Novel Duocarmycin-Based HER2-Targeting Antibody–Drug Conjugate, Shows Antitumor Activity in Uterine Serous Carcinoma with HER2/Neu Expression
Black J, Menderes G, Bellone S, Schwab CL, Bonazzoli E, Ferrari F, Predolini F, De Haydu C, Cocco E, Buza N, Hui P, Wong S, Lopez S, Ratner E, Silasi DA, Azodi M, Litkouhi B, Schwartz PE, Goedings P, Beusker PH, van der Lee MM, Timmers CM, Dokter WH, Santin AD. SYD985, a Novel Duocarmycin-Based HER2-Targeting Antibody–Drug Conjugate, Shows Antitumor Activity in Uterine Serous Carcinoma with HER2/Neu Expression. Molecular Cancer Therapeutics 2016, 15: 1900-1909. PMID: 27256376, DOI: 10.1158/1535-7163.mct-16-0163.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAnimalsAntibody-Dependent Cell CytotoxicityAntineoplastic AgentsBystander EffectCathepsin BCell Line, TumorCell SurvivalClass I Phosphatidylinositol 3-KinasesCystadenocarcinoma, SerousDisease Models, AnimalDuocarmycinsFemaleGene ExpressionHumansImmunoconjugatesIndolesMiceMiddle AgedMutationPhosphatidylinositol 3-KinasesPyrrolidinonesReceptor, ErbB-2Survival AnalysisUterine NeoplasmsXenograft Model Antitumor AssaysConceptsUterine serous carcinomaAntibody-dependent cellular cytotoxicityHER2/neu expressionAntibody-drug conjugatesT-DM1Neu expressionHER2-targeting antibody-drug conjugateNovel antibody-drug conjugateNovel HER2-targeting antibody-drug conjugatePrimary USC cell linesHigh HER2 expressionHER2/neu oncogeneHER2/neuMouse xenograft modelUSC cell linesFlow cytometry assayEndometrial cancerSerous carcinomaHER2 expressionTrastuzumab emtansineClinical studiesCellular cytotoxicitySYD985Aggressive formExpress HER2Dual CCNE1/PIK3CA targeting is synergistic in CCNE1-amplified/PIK3CA-mutated uterine serous carcinomas in vitro and in vivo
Cocco E, Lopez S, Black J, Bellone S, Bonazzoli E, Predolini F, Ferrari F, Schwab CL, Menderes G, Zammataro L, Buza N, Hui P, Wong S, Zhao S, Bai Y, Rimm DL, Ratner E, Litkouhi B, Silasi DA, Azodi M, Schwartz PE, Santin AD. Dual CCNE1/PIK3CA targeting is synergistic in CCNE1-amplified/PIK3CA-mutated uterine serous carcinomas in vitro and in vivo. British Journal Of Cancer 2016, 115: 303-311. PMID: 27351214, PMCID: PMC4973158, DOI: 10.1038/bjc.2016.198.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntineoplastic AgentsCell Line, TumorClass I Phosphatidylinositol 3-KinasesCyclin EDNA Copy Number VariationsFemaleGene Knockdown TechniquesHeterograftsHumansIn Situ Hybridization, FluorescenceIn Vitro TechniquesMiceMutationOncogene ProteinsPhosphatidylinositol 3-KinasesRNA, MessengerTissue Array AnalysisUterine NeoplasmsConceptsUterine serous carcinomaSerous carcinomaTumor growthCyclin E1 (CCNE1) gene amplificationRecurrent uterine serous carcinomaPrimary USC cell linesNovel therapeutic optionsSingle-agent treatmentIdeal therapeutic targetUSC cell linesCyclin E1 expressionUSC patientsUSC xenograftsInhibited cell growthCell cycle analysisAggressive variantTherapeutic optionsCCNE1 amplificationEndometrial tumorsCYC065Therapeutic targetClinical optionPIK3CA driver mutationsDriver mutationsXenografts
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 linesPIK3CA oncogenic mutations represent a major mechanism of resistance to trastuzumab in HER2/neu overexpressing uterine serous carcinomas
Black JD, Lopez S, Cocco E, Bellone S, Altwerger G, Schwab CL, English DP, Bonazzoli E, Predolini F, Ferrari F, Ratner E, Silasi DA, Azodi M, Schwartz PE, Santin AD. PIK3CA oncogenic mutations represent a major mechanism of resistance to trastuzumab in HER2/neu overexpressing uterine serous carcinomas. British Journal Of Cancer 2015, 113: 1020-1026. PMID: 26325104, PMCID: PMC4651122, DOI: 10.1038/bjc.2015.306.Peer-Reviewed Original ResearchConceptsUSC cell linesCell linesPIK3CA-mutated tumorsUterine serous carcinomaHER2/neuXenograft mouse modelOncogenic PIK3CA mutationsPrimary HER2Trastuzumab treatmentSerous carcinomaCarcinoma cell linesMechanisms of resistancePIK3CA mutationsTrastuzumab efficacyMouse modelTrastuzumabMouse xenograftsHER2Tumor growthMajor mechanismOncogenic mutationsWild-type cell linesSitu hybridisation