Cem Demirkiran, MD
Postdoctoral AssociateAbout
Research
Publications
2024
Pre-clinical efficacy of RAF/MEK clamp avutometinib in combination with FAK inhibition for low-grade serous ovarian cancer
McNamara B, Greenman M, Demirkiran C, Mutlu L, Hartwich T, Bellone S, Manavella D, Zipponi M, Yang-Hartwich Y, Yang K, Ratner E, Schwartz P, Santin A. Pre-clinical efficacy of RAF/MEK clamp avutometinib in combination with FAK inhibition for low-grade serous ovarian cancer. Gynecologic Oncology 2024, 190: s36. DOI: 10.1016/j.ygyno.2024.07.058.Peer-Reviewed Original ResearchEV016/#559 Preclinical activity of datopotamab deruxtecan, a novel trophoblast cell-surface antigen 2 (TROP2) directed antibody-drug conjugate targeting TROP2 in high grade serous ovarian carcinoma
Mcnamara B, Greenman M, Bellone S, Demirkiran C, Mutlu L, Hartwich T, Yang-Hartwich Y, Ratner E, Schwartz P, Santin A. EV016/#559 Preclinical activity of datopotamab deruxtecan, a novel trophoblast cell-surface antigen 2 (TROP2) directed antibody-drug conjugate targeting TROP2 in high grade serous ovarian carcinoma. International Journal Of Gynecological Cancer 2024, 34: a91. DOI: 10.1136/ijgc-2024-igcs.135.Peer-Reviewed Original ResearchPreclinical 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 cancerSacituzumab govitecan in heavily pretreated, platinum-resistant high grade serous ovarian cancer
Greenman M, Bellone S, Demirkiran C, Hartwich T, Santin A. Sacituzumab govitecan in heavily pretreated, platinum-resistant high grade serous ovarian cancer. Gynecologic Oncology Reports 2024, 54: 101459. PMID: 39108617, PMCID: PMC11300917, DOI: 10.1016/j.gore.2024.101459.Peer-Reviewed Original ResearchHigh grade serous ovarian cancerAntibody-drug conjugatesSerous ovarian cancerSacituzumab govitecanOvarian cancerTreatment optionsPlatinum-resistant ovarian cancer patientsDose-limiting toxicityOvarian cancer patientsNovel treatment optionsPartial responseRecurrent diseaseDose reductionCancer patientsClinical trialsBackground treatmentTargeted treatmentChemotherapyTreatmentCancerDoseDiseaseOptionsTrop2PatientsPreclinical activity of datopotamab deruxtecan, a novel TROP2 directed antibody-drug conjugate targeting trophoblast cell-surface antigen 2 (TROP2) in ovarian carcinoma
McNamara B, Greenman M, Bellone S, Santin L, Demirkiran C, Mutlu L, Hartwich T, Yang-Hartwich Y, Ratner E, Schwartz P, Santin A. Preclinical activity of datopotamab deruxtecan, a novel TROP2 directed antibody-drug conjugate targeting trophoblast cell-surface antigen 2 (TROP2) in ovarian carcinoma. Gynecologic Oncology 2024, 189: 16-23. PMID: 38981151, DOI: 10.1016/j.ygyno.2024.07.002.Peer-Reviewed Original ResearchTargets trophoblast cell-surface antigen-2Epithelial ovarian cancerAntibody-dependent cellular cytotoxicityPreclinical activityAntibody drug conjugatesOvarian cancerCell linesTumor cellsTrophoblast cell surface antigen 2Cell line-derived xenograft modelFlow cytometryCompared to tumor cellsEpithelial ovarian cancer cell linesOvarian cancer cell linesTumor cells in vitroOvarian cancer patientsPeripheral-blood lymphocytesEOC cell linesTumor growth suppressionAnnexin V-positiveGynecologic cancer mortalityIn vivo antitumor activityCells in vitroPrimary cell linesUnmet medical needTrastuzumab deruxtecan (DS-8201a), a HER2-targeting antibody–drug conjugate, demonstrates in vitro and in vivo antitumor activity against primary and metastatic ovarian tumors overexpressing HER2
Mutlu L, McNamara B, Bellone S, Manavella D, Demirkiran C, Greenman M, 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, demonstrates in vitro and in vivo antitumor activity against primary and metastatic ovarian tumors overexpressing HER2. Clinical & Experimental Metastasis 2024, 41: 765-775. PMID: 38909139, DOI: 10.1007/s10585-024-10297-z.Peer-Reviewed Original ResearchHigh-grade serous ovarian cancerClear cell carcinomaHER2-targeting antibody-drug conjugateAntibody-drug conjugatesT-DXdReceptor over-expressionTrastuzumab deruxtecanXenograft modelCell linesOvarian clear cell carcinomaOvarian cancer cell linesTumors overexpressing HER2Biologically aggressive tumorsFluorescence in situ hybridization assaySerous ovarian cancerEffective antibody-drug conjugatesIn vivo antitumor activityMouse xenograft modelMetastatic cell linesDS-8201aCancer cell linesAggressive tumorsHER2 expressionCell carcinomaOvarian cancerPreclinical in vitro and in vivo activity of the RAF/MEK clamp avutometinib in combination with FAK inhibition in uterine carcinosarcomas
Demirkiran C, Greenman M, Bellone S, McNamara B, Hartwich T, Manavella D, Mutlu L, Zipponi M, Yang-Hartwich Y, Yang K, Ratner E, Schwartz P, Coma S, Pachter J, Santin A. Preclinical in vitro and in vivo activity of the RAF/MEK clamp avutometinib in combination with FAK inhibition in uterine carcinosarcomas. Gynecologic Oncology 2024, 187: 12-20. PMID: 38703673, DOI: 10.1016/j.ygyno.2024.04.010.Peer-Reviewed Original ResearchFocal adhesion kinaseUC cell linesWhole-exome-sequencingFAK inhibitorCell linesFocal adhesion kinase inhibitionPhosphorylated (p)‑FAKWestern blot assayRAF/MEK inhibitionUterine carcinosarcomaRAS/MAPK pathway genesPreclinical in vitroBlot assayVS-4718Cell cycle assayGenetic landscapePathway genesMAP2KGenetic alterationsDecreased p-ERKCycle assaySuperior tumor growth inhibitionBiologically aggressive tumorsGrowth inhibitionIn vitro activityIntegrated 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 carcinomaPreclinical efficacy of RAF/MEK clamp avutometinib in combination with FAK inhibition in low grade serous ovarian cancer
McNamara B, Demirkiran C, Hartwich T, Bellone S, Manavella D, Mutlu L, Greenman M, Zipponi M, Yang-Hartwich Y, Yang K, Ratner E, Schwartz P, Coma S, Pachter J, Santin A. Preclinical efficacy of RAF/MEK clamp avutometinib in combination with FAK inhibition in low grade serous ovarian cancer. Gynecologic Oncology 2024, 183: 133-140. PMID: 38493021, DOI: 10.1016/j.ygyno.2024.01.028.Peer-Reviewed Original ResearchLow grade serous ovarian carcinomaWhole-exome-sequencingGain-of-function mutationsVS-4718Preclinical efficacyLow grade serous ovarian cancerSerous ovarian cancerControl-treated miceTumor growth inhibitionWild-type KRASLoss of heterozygosityDecreased p-ERKRAF/MEK inhibitionMedian survivalOvarian cancerRecurrence rateTherapeutic optionsOral gavageTumor growthTumor samplesIn vivo activityMAPK pathway genesRAF/MEK inhibitorsP-ERKEx vivoMitochondrial Unfolded Protein Response Gene Clpp Is Required for Oocyte Function and Female Fertility
Ergun Y, Imamoglu A, Cozzolino M, Demirkiran C, Basar M, Garg A, Yildirim R, Seli E. Mitochondrial Unfolded Protein Response Gene Clpp Is Required for Oocyte Function and Female Fertility. International Journal Of Molecular Sciences 2024, 25: 1866. PMID: 38339144, PMCID: PMC10855406, DOI: 10.3390/ijms25031866.Peer-Reviewed Original ResearchConceptsCaseinolytic peptidase PMouse modelProtein homeostasisStress responseUnfolded protein stress responseProtein stress responseCumulus/granulosa cellsOocyte competenceOocyte functionGlobal deletionFunctional abnormalitiesGenes clpPMetabolic stress responseFemale subfertilityFemale infertilityOocyte-specificOocytesReproductive functionMtUPRMiceProtein degradationReproductive competenceFemale fertilityDeletionHomeostasis