2024
Preclinical evaluation of avutometinib and defactinib in high‐grade endometrioid endometrial cancer
Hartwich T, Mansolf M, Demirkiran C, Greenman M, Bellone S, McNamara B, Nandi S, Alexandrov L, Yang‐Hartwich Y, Coma S, Pachter J, Santin A. Preclinical evaluation of avutometinib and defactinib in high‐grade endometrioid endometrial cancer. Cancer Medicine 2024, 13: e70210. PMID: 39240189, PMCID: PMC11378359, DOI: 10.1002/cam4.70210.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntineoplastic Combined Chemotherapy ProtocolsBenzamidesCarcinoma, EndometrioidCell Line, TumorCell ProliferationEndometrial NeoplasmsExome SequencingFemaleFocal Adhesion Kinase 1HumansImidazolesMiceNeoplasm GradingOxazepinesProtein Kinase InhibitorsPyrazinesSulfonamidesXenograft Model Antitumor AssaysConceptsFocal adhesion kinaseWhole-exome sequencingEndometrial cancer cell linesVS-4718Cell linesRas/MAPK pathwayPhosphorylated focal adhesion kinaseWestern blot assayWhole-exome sequencing resultsRAF/MEK inhibitionEAC cell linesBlot assayP-FAKGenetic landscapeCell cycleEndometrial cancerGenetic derangementsDefactinibP-MEKGrowth inhibitionRAF/MEKRas/MAPKCell viabilityP-ERKHigh-grade endometrial cancer
2023
Uterine leiomyosarcomas harboring MAP2K4 gene amplification are sensitive in vivo to PLX8725, a novel MAP2K4 inhibitor
McNamara B, Harold J, Manavella D, Bellone S, Mutlu L, Hartwich T, Zipponi M, Yang-Hartwich Y, Demirkiran C, Verzosa M, Yang K, Choi J, Dong W, Buza N, Hui P, Altwerger G, Huang G, Andikyan V, Clark M, Ratner E, Azodi M, Schwartz P, Burton E, Inagaki H, Albers A, Zhang C, Bollag G, Schlessinger J, Santin A. Uterine leiomyosarcomas harboring MAP2K4 gene amplification are sensitive in vivo to PLX8725, a novel MAP2K4 inhibitor. Gynecologic Oncology 2023, 172: 65-71. PMID: 36958197, PMCID: PMC10192120, DOI: 10.1016/j.ygyno.2023.03.009.Peer-Reviewed Original ResearchConceptsUterine leiomyosarcomaPDX modelsGain of functionMedian overall survivalPhase I trialOral gavage dailyVivo activityTumor growth inhibitionTumor volume differencesTumor cell proliferationOverall survivalTolerable toxicityI trialOral treatmentTreatment cohortsGavage dailyAggressive tumorsSCID miceULMS patientsPK studiesTumor samplesWestern blotCell proliferationControl vehicleLeiomyosarcomaTrastuzumab deruxtecan (DS-8201a), a HER2-targeting antibody–drug conjugate with topoisomerase I inhibitor payload, shows antitumor activity in uterine and ovarian carcinosarcoma with HER2/neu expression
Mauricio D, Bellone S, Mutlu L, McNamara B, Manavella D, Demirkiran C, Verzosa M, Buza N, Hui P, Hartwich T, Harold J, Yang-Hartwich Y, Zipponi M, Altwerger G, Ratner E, Huang G, Clark M, Andikyan V, Azodi M, Schwartz P, Santin A. Trastuzumab deruxtecan (DS-8201a), a HER2-targeting antibody–drug conjugate with topoisomerase I inhibitor payload, shows antitumor activity in uterine and ovarian carcinosarcoma with HER2/neu expression. Gynecologic Oncology 2023, 170: 38-45. PMID: 36610380, PMCID: PMC10445234, DOI: 10.1016/j.ygyno.2022.12.018.Peer-Reviewed Original ResearchConceptsHER2/neu expressionDS-8201aAntibody-drug conjugatesNeu expressionCS cell linesTrastuzumab deruxtecanOvarian carcinosarcomaTopoisomerase I inhibitor payloadCell linesAggressive gynecologic malignancyLimited therapeutic optionsEffective antibody-drug conjugatesCarcinosarcoma cell lineGynecologic malignanciesTherapeutic optionsIsotype controlSarcomatous elementsXenograft modelBystander killingFlow cytometryTumor cellsCarcinosarcomaAntitumor activityVivo studiesVivo activity
2022
Ovarian and uterine carcinosarcomas are sensitive in vitro and in vivo to elimusertib, a novel ataxia-telangiectasia and Rad3-related (ATR) kinase inhibitor
Manavella D, McNamara B, Harold J, Bellone S, Hartwich T, Yang-Hartwich Y, Mutlu L, Zipponi M, Demirkiran C, Verzosa M, Altwerger G, Ratner E, Huang G, Clark M, Andikyan V, Azodi M, Schwartz P, Dottino P, Choi J, Alexandrov L, Buza N, Hui P, Santin A. Ovarian and uterine carcinosarcomas are sensitive in vitro and in vivo to elimusertib, a novel ataxia-telangiectasia and Rad3-related (ATR) kinase inhibitor. Gynecologic Oncology 2022, 169: 98-105. PMID: 36525930, PMCID: PMC9925406, DOI: 10.1016/j.ygyno.2022.12.003.Peer-Reviewed Original ResearchConceptsHomologous recombination deficiencyCS cell linesCell linesWestern blotKinase inhibitorsOverall animal survivalProtein expressionDose-dependent increaseDose-dependent inhibitionCarcinosarcoma cell lineTumor growth inhibitionCaspase-3 expressionEndometrioid histologyAggressive malignancyUterine carcinosarcomaCS patientsPreclinical activityClinical trialsEpithelial componentAnimal survivalXenograftsApoptosis markersRecombination deficiencyP-ATRP-Chk1Elimusertib (BAY1895344), a novel ATR inhibitor, demonstrates in vivo activity in ATRX mutated models of uterine leiomyosarcoma
Harold J, Bellone S, Manavella D, Mutlu L, McNamara B, Hartwich T, Zipponi M, Yang-Hartwich Y, Demirkiran C, Verzosa M, Choi J, Dong W, Buza N, Hui P, Altwerger G, Huang G, Andikyan V, Clark M, Ratner E, Azodi M, Schwartz P, Santin A. Elimusertib (BAY1895344), a novel ATR inhibitor, demonstrates in vivo activity in ATRX mutated models of uterine leiomyosarcoma. Gynecologic Oncology 2022, 168: 157-165. PMID: 36442427, PMCID: PMC9797429, DOI: 10.1016/j.ygyno.2022.11.014.Peer-Reviewed Original ResearchConceptsPatient-derived xenograftsUterine leiomyosarcomaVivo activityVehicle control treatmentMedian overall survivalTumor volume differencesOral scheduleWestern blot analysisOverall survivalOral gavageAggressive malignancyPDX modelsClinical trialsSCID miceTumor measurementsULMS patientsSignificant growth inhibitionNovel ATR inhibitorTumor samplesSignificant toxicityWestern blotKinase inhibitorsATRX mutationsGene mutationsControl vehicle
2016
Tumor-associated macrophages drive spheroid formation during early transcoelomic metastasis of ovarian cancer
Yin M, Li X, Tan S, Zhou HJ, Ji W, Bellone S, Xu X, Zhang H, Santin AD, Lou G, Min W. Tumor-associated macrophages drive spheroid formation during early transcoelomic metastasis of ovarian cancer. Journal Of Clinical Investigation 2016, 126: 4157-4173. PMID: 27721235, PMCID: PMC5096908, DOI: 10.1172/jci87252.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsErbB ReceptorsFemaleHeterograftsHumansIntercellular Adhesion Molecule-1Macrophage-1 AntigenMacrophagesMiceMice, NudeNeoplasm MetastasisNeoplasm ProteinsNeoplasm TransplantationOvarian NeoplasmsSpheroids, CellularVascular Endothelial Growth Factor AVascular Endothelial Growth Factor Receptor-1ConceptsTumor-associated macrophagesOvarian cancerTranscoelomic metastasisTumor cellsICAM-1Mouse modelEpithelial ovarian cancerOvarian cancer growthOvarian cancer metastasisSpheroid formationOvarian cancer progressionVEGF/VEGFRTumor cell proliferationPharmacological blockadeMetastatic cancerColon cancerCancer growthMetastasisAntibody neutralizationTumor growthCancerClinical pathologyCancer metastasisCancer progressionΑMβ2 integrin