2021
BBIT20 inhibits homologous DNA repair with disruption of the BRCA1–BARD1 interaction in breast and ovarian cancer
Raimundo L, Paterna A, Calheiros J, Ribeiro J, Cardoso DSP, Piga I, Neto SJ, Hegan D, Glazer PM, Indraccolo S, Mulhovo S, Costa JL, Ferreira M, Saraiva L. BBIT20 inhibits homologous DNA repair with disruption of the BRCA1–BARD1 interaction in breast and ovarian cancer. British Journal Of Pharmacology 2021, 178: 3627-3647. PMID: 33899955, PMCID: PMC9124438, DOI: 10.1111/bph.15506.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBRCA1 ProteinCell Line, TumorDNA RepairDrug SynergismFemaleHumansMiceOvarian NeoplasmsPoly(ADP-ribose) Polymerase InhibitorsTumor Suppressor ProteinsUbiquitin-Protein LigasesConceptsTriple-negative breastOvarian cancerXenograft mouse modelMouse modelAntitumour activityAdvanced ovarian cancerCancer cellsPatient-derived cell linesHomologous DNA repairOvarian cancer cellsNon-malignant cellsPatient-derived cellsMarked synergistic effectAvailable therapiesCombination therapyCell cycle arrestReactive oxygen species generationSide effectsDNA repair-related genesSingle agentTherapeutic outcomesCancerOxygen species generationPersonalized treatmentResistant cancersClinical Efficacy of Olaparib in IDH1/IDH2-Mutant Mesenchymal Sarcomas
Eder JP, Doroshow DB, T. K, Keedy VL, Sklar JS, Glazer P, Bindra R, Shapiro GI. Clinical Efficacy of Olaparib in IDH1/IDH2-Mutant Mesenchymal Sarcomas. JCO Precision Oncology 2021, 5: 466-472. PMID: 34994649, PMCID: PMC9848565, DOI: 10.1200/po.20.00247.Peer-Reviewed Original ResearchConceptsPulmonary epithelioid hemangioendotheliomaStable diseaseEpithelioid hemangioendotheliomaClinical benefitClinical benefit rateOpen-label studyPrimary end pointPoly (ADP-ribose) polymerase inhibitionDefective homologous recombination (HR) repairMesenchymal sarcomaObjective responsePartial responseClinical efficacyPatient populationBenefit rateCombination trialsPatientsSolid tumorsIDH1/2-mutant tumorsIDH1/2 mutationsPARP inhibitorsEnd pointPARP inhibitionTumorsOlaparib
2020
Oncometabolites suppress DNA repair by disrupting local chromatin signalling
Sulkowski PL, Oeck S, Dow J, Economos NG, Mirfakhraie L, Liu Y, Noronha K, Bao X, Li J, Shuch BM, King MC, Bindra RS, Glazer PM. Oncometabolites suppress DNA repair by disrupting local chromatin signalling. Nature 2020, 582: 586-591. PMID: 32494005, PMCID: PMC7319896, DOI: 10.1038/s41586-020-2363-0.Peer-Reviewed Original ResearchConceptsDNA repairDNA breaksFumarate hydrataseDownstream repair factorsHistone 3 lysine 9Homology-dependent repairPoly (ADP-ribose) polymeraseRecruitment of TIP60Deregulation of metabolismChromatin signalingSuccinate dehydrogenase genesGenome integrityLysine 9Repair factorsDehydrogenase geneEnd resectionIsocitrate dehydrogenase 1Aberrant hypermethylationMechanistic basisSomatic mutationsDehydrogenase 1GenesHuman malignanciesProper executionMutations
2019
Cediranib suppresses homology-directed DNA repair through down-regulation of BRCA1/2 and RAD51
Kaplan AR, Gueble SE, Liu Y, Oeck S, Kim H, Yun Z, Glazer PM. Cediranib suppresses homology-directed DNA repair through down-regulation of BRCA1/2 and RAD51. Science Translational Medicine 2019, 11 PMID: 31092693, PMCID: PMC6626544, DOI: 10.1126/scitranslmed.aav4508.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBRCA1 ProteinBRCA2 ProteinCell Line, TumorDNA RepairDown-RegulationE2F4 Transcription FactorFemaleGene Expression Regulation, NeoplasticHumansMice, NudePoly(ADP-ribose) Polymerase InhibitorsQuinazolinesRad51 RecombinaseReceptors, Platelet-Derived Growth FactorTumor HypoxiaVascular Endothelial Growth Factor Receptor-2Xenograft Model Antitumor AssaysConceptsHomology-directed DNA repairDNA repairE2F transcription factor 4Protein phosphatase 2ATranscription factor 4DNA repair inhibitorsPhosphatase 2ARAD51 recombinaseTranscriptional corepressorMouse tumor xenograftsSynthetic lethalityGene expressionRB2/Mouse bone marrowGrowth factor receptor inhibitionRepair inhibitorsUnknown mechanismPlatelet-derived growth factor receptor inhibitionFactor 4Human tumorsInhibitor olaparibPARP inhibitorsMutationsCombination of cediranibCancer therapy
2017
2-Hydroxyglutarate produced by neomorphic IDH mutations suppresses homologous recombination and induces PARP inhibitor sensitivity
Sulkowski PL, Corso CD, Robinson ND, Scanlon SE, Purshouse KR, Bai H, Liu Y, Sundaram RK, Hegan DC, Fons NR, Breuer GA, Song Y, Mishra-Gorur K, De Feyter HM, de Graaf RA, Surovtseva YV, Kachman M, Halene S, Günel M, Glazer PM, Bindra RS. 2-Hydroxyglutarate produced by neomorphic IDH mutations suppresses homologous recombination and induces PARP inhibitor sensitivity. Science Translational Medicine 2017, 9 PMID: 28148839, PMCID: PMC5435119, DOI: 10.1126/scitranslmed.aal2463.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell Line, TumorDNA Breaks, Double-StrandedDNA RepairFemaleGliomaGlutaratesHomologous RecombinationHumansIsocitrate DehydrogenaseMice, NudePoly(ADP-ribose) Polymerase InhibitorsXenograft Model Antitumor AssaysConceptsIsocitrate dehydrogenase 1PARP inhibitor sensitivityPossible therapeutic strategiesHomologous recombination defectsTherapeutic strategiesTumor xenograftsInhibitor sensitivityPathologic processesSmall molecule inhibitorsIDH1/2 mutationsTumor progressionIDH2 mutationsMutant IDHPolymerase inhibitorsGlioma cellsTumor cellsHR deficiencyPARP inhibitionIDH mutationsInhibitory effectDehydrogenase 1Neomorphic activityMutant IDH1 enzymeDependent dioxygenasesMutant cells