2022
Targeting Krebs-cycle-deficient renal cell carcinoma with Poly ADP-ribose polymerase inhibitors and low-dose alkylating chemotherapy
Ueno D, Vasquez JC, Sule A, Liang J, van Doorn J, Sundaram R, Friedman S, Caliliw R, Ohtake S, Bao X, Li J, Ye H, Boyd K, Huang RR, Dodson J, Boutros P, Bindra RS, Shuch B. Targeting Krebs-cycle-deficient renal cell carcinoma with Poly ADP-ribose polymerase inhibitors and low-dose alkylating chemotherapy. Oncotarget 2022, 13: 1054-1067. PMID: 36128328, PMCID: PMC9477221, DOI: 10.18632/oncotarget.28273.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine Diphosphate RiboseAnimalsCarcinoma, Renal CellCitric Acid CycleDioxygenasesDNAFumarate HydrataseFumaratesHumansJumonji Domain-Containing Histone DemethylasesKidney NeoplasmsLysineMicePoly (ADP-Ribose) Polymerase-1Poly(ADP-ribose) Polymerase InhibitorsSuccinate DehydrogenaseSuccinatesTemozolomideConceptsRenal cell carcinomaPoly ADP-ribose polymerase inhibitorsADP-ribose polymerase inhibitorsCell carcinomaSDH-deficient renal cell carcinomaPolymerase inhibitorsLow-dose temozolomideAggressive renal cell carcinomaHereditary cancer syndromesNovel therapeutic strategiesDeficient murine modelStandard dosingTMZ resultsMurine modelTherapeutic strategiesCombination treatmentCancer syndromesTumor growthHomologous recombination DNA repair pathwayAccumulation of fumarateHR deficiencyPARP inhibitionTemozolomideChemotherapyCarcinomaIn vivo anti-tumor effect of PARP inhibition in IDH1/2 mutant MDS/AML resistant to targeted inhibitors of mutant IDH1/2
Gbyli R, Song Y, Liu W, Gao Y, Biancon G, Chandhok NS, Wang X, Fu X, Patel A, Sundaram R, Tebaldi T, Mamillapalli P, Zeidan AM, Flavell RA, Prebet T, Bindra RS, Halene S. In vivo anti-tumor effect of PARP inhibition in IDH1/2 mutant MDS/AML resistant to targeted inhibitors of mutant IDH1/2. Leukemia 2022, 36: 1313-1323. PMID: 35273342, PMCID: PMC9103411, DOI: 10.1038/s41375-022-01536-x.Peer-Reviewed Original ResearchConceptsAcute myeloid leukemiaMyelodysplastic syndromeMDS/acute myeloid leukemiaRefractory acute myeloid leukemiaPARP inhibitionVivo anti-tumor effectsAlternate therapeutic optionsSubset of AMLAnti-tumor effectsPre-clinical studiesRibose polymerase inhibitorsSerial transplantation assaysHomologous recombination defectsTherapeutic optionsTreatment optionsOverall engraftmentHigh relapseIDH inhibitionMyeloid leukemiaIsocitrate dehydrogenase 1Small molecule inhibitorsCell frequencyXeno-graftsIDH1/2 mutationsMalignant transformationPhase 1b Clinical Trial with Alpelisib plus Olaparib for Patients with Advanced Triple-Negative Breast CancerAlpelisib plus Olaparib for Triple-Negative Breast Cancer
Batalini F, Xiong N, Tayob N, Polak M, Eismann J, Cantley LC, Shapiro GI, Adalsteinsson V, Winer EP, Konstantinopoulos PA, D'Andrea A, Swisher EM, Matulonis UA, Wulf GM, Mayer EL. Phase 1b Clinical Trial with Alpelisib plus Olaparib for Patients with Advanced Triple-Negative Breast CancerAlpelisib plus Olaparib for Triple-Negative Breast Cancer. Clinical Cancer Research 2022, 28: 1493-1499. PMID: 35149538, PMCID: PMC9066379, DOI: 10.1158/1078-0432.ccr-21-3045.Peer-Reviewed Original ResearchConceptsTriple-negative breast cancerObjective response rateCirculating-free DNABreast cancerCommon treatment-related grade 3Treatment-related grade 3Longer progression-free survivalRecurrent triple-negative breast cancerHigh-grade serous ovarian cancerPARP inhibitionPhase 1b clinical trialPhase 2 dosePhase 1b trialSecondary end pointsProgression-free survivalRecurrent breast cancerGermline BRCA mutationsImportant prognostic informationSerous ovarian cancerBreast cancer cohortBRCA-mutant tumorsNon-BRCA carriersPI3K inhibitorsEligible patientsExpansion cohort
2021
Clinical 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
Trial in progress: A phase II open-label, randomized study of PARP inhibition (olaparib) either alone or in combination with anti-PD-L1 therapy (atezolizumab) in homologous DNA repair (HDR) deficient, locally advanced or metastatic non-HER2-positive breast cancer.
LoRusso P, Pilat M, Santa-Maria C, Connolly R, Roesch E, Afghahi A, Han H, Nanda R, Wulf G, Assad H, Park H, Dees E, Force J, Noonan A, Brufsky A, Abramson V, Haley B, Buys S, Sharon E, Schalper K. Trial in progress: A phase II open-label, randomized study of PARP inhibition (olaparib) either alone or in combination with anti-PD-L1 therapy (atezolizumab) in homologous DNA repair (HDR) deficient, locally advanced or metastatic non-HER2-positive breast cancer. Journal Of Clinical Oncology 2020, 38: tps1102-tps1102. DOI: 10.1200/jco.2020.38.15_suppl.tps1102.Peer-Reviewed Original ResearchPositive breast cancerPo bidPARP inhibitionBreast cancerImmune responseOpen-label phase II clinical trialAdaptive anti-tumor immune responsesAnti-tumor immune responsePhase II clinical trialMarked lymphocyte infiltrationPD-1 blockadePD-L1 expressionPre-treatment biopsiesProgression-free survivalAntitumor immune responseImmune checkpoint blockadeMajority of patientsBRCA 1/2 mutationsTumor immune contextureBiopsy time pointsHomologous DNA repairPARP inhibitor olaparibMonotherapy armCombination armImmune contextureTargeting therapeutic vulnerabilities with PARP inhibition and radiation in IDH-mutant gliomas and cholangiocarcinomas
Wang Y, Wild A, Turcan S, Wu W, Sigel C, Klimstra D, Ma X, Gong Y, Holland E, Huse J, Chan T. Targeting therapeutic vulnerabilities with PARP inhibition and radiation in IDH-mutant gliomas and cholangiocarcinomas. Science Advances 2020, 6: eaaz3221. PMID: 32494639, PMCID: PMC7176409, DOI: 10.1126/sciadv.aaz3221.Peer-Reviewed Original ResearchIDH-mutant gliomasIsocitrate dehydrogenaseAnimal models of gliomaReduced DNA damage repairRibose polymerase inhibitorsLocal radiation therapyTarget solid tumorsPreclinical animal modelsIsocitrate dehydrogenase mutationModel of gliomaMutant isocitrate dehydrogenaseSynthetic lethal approachTargetable therapeutic vulnerabilitiesDNA damage repairMultiple cancer typesRadiation therapyMultimodal therapyMultiple in vitroSolid tumorsElevated DNA damageTherapeutic vulnerabilitiesTumor cellsPARP inhibitionTreatment strategiesPolymerase inhibitorsTargeting DNA damage response in head and neck cancers through abrogation of cell cycle checkpoints
Molkentine JM, Molkentine DP, Bridges KA, Xie T, Yang L, Sheth A, Heffernan TP, Clump DA, Faust AZ, Ferris RL, Myers JN, Frederick MJ, Mason KA, Meyn RE, Pickering CR, Skinner HD. Targeting DNA damage response in head and neck cancers through abrogation of cell cycle checkpoints. International Journal Of Radiation Biology 2020, 97: 1121-1128. PMID: 32073931, PMCID: PMC7483862, DOI: 10.1080/09553002.2020.1730014.Peer-Reviewed Original ResearchConceptsHPV statusHPV(-) cellsNeck cancerPARP inhibitionPCR arrayDNA repair genesSignificant radiosensitizationBeneficial treatment optionPARP inhibitor niraparibEffective treatment strategiesHNSCC cell linesNormal tissue toxicityRepair genesShRNA screenRole of p16HPV- tumorsHNSCC xenograftsTreatment optionsTreatment modalitiesTreatment strategiesTherapeutic ratioLimited progressionHPVP16 expressionNiraparib
2018
Talazoparib Is a Potent Radiosensitizer in Small Cell Lung Cancer Cell Lines and Xenografts
Laird J, Lok B, Ma J, Bell A, de Stanchina E, Poirier J, Rudin C. Talazoparib Is a Potent Radiosensitizer in Small Cell Lung Cancer Cell Lines and Xenografts. Clinical Cancer Research 2018, 24: 5143-5152. PMID: 29945991, PMCID: PMC6742772, DOI: 10.1158/1078-0432.ccr-18-0401.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntineoplastic AgentsCell Line, TumorCell SurvivalDisease Models, AnimalDNA Breaks, Double-StrandedDose-Response Relationship, DrugHumansPhthalazinesPoly(ADP-ribose) Polymerase InhibitorsRadiation ToleranceRadiation, IonizingRadiation-Sensitizing AgentsSmall Cell Lung CarcinomaXenograft Model Antitumor AssaysConceptsSmall cell lung cancerSCLC cell linesClonogenic survival assaysCell linesPatient-derived xenograft modelsPARP inhibitionShort-term viability assaysDoses of veliparibCell lung cancerClin Cancer ResEfficacy of radiotherapyTumor growth inhibitionViability assaysAggressive malignancyLung cancerPDX modelsNovel therapiesSCLC cellsXenograft modelSingle agentPARP inhibitorsCancer ResTalazoparibSurvival assaysContribution of PARP
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 ResearchConceptsIsocitrate 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
2016
Phosphoinositide 3-kinase inhibitors induce DNA damage through nucleoside depletion
Juvekar A, Hu H, Yadegarynia S, Lyssiotis C, Ullas S, Lien E, Bellinger G, Son J, Hok R, Seth P, Daly M, Kim B, Scully R, Asara J, Cantley L, Wulf G. Phosphoinositide 3-kinase inhibitors induce DNA damage through nucleoside depletion. Proceedings Of The National Academy Of Sciences Of The United States Of America 2016, 113: e4338-e4347. PMID: 27402769, PMCID: PMC4968752, DOI: 10.1073/pnas.1522223113.Peer-Reviewed Original ResearchMeSH KeywordsAminopyridinesAnimalsAntineoplastic Combined Chemotherapy ProtocolsCell Line, TumorCell ProliferationDNA DamageDNA, NeoplasmFemaleHumansMice, Inbred C57BLMice, Inbred NODMice, KnockoutMice, SCIDMorpholinesNucleosidesPhosphatidylinositol 3-KinasePhosphoinositide-3 Kinase InhibitorsPoly(ADP-ribose) Polymerase InhibitorsTriple Negative Breast NeoplasmsConceptsDNA damagePI3KDNA synthesisNonoxidative pentose phosphate pathwayProtein kinase AktPentose phosphate pathwayKinase AktPI3K inhibitor BKM120DNA repairPI3K inhibitorsPI3K inhibitionPhosphate pathwayCarbon flux studiesCell deathNucleotide synthesisNucleotide triphosphatesMutational backgroundK inhibitionK inhibitorsGenetic aberrationsMouse modelPARP inhibitionInhibitorsBRCA1Triple-negative breast cancer
2010
Poly(ADP-Ribose) Polymerase Inhibition: “Targeted” Therapy for Triple-Negative Breast Cancer
Anders CK, Winer EP, Ford JM, Dent R, Silver DP, Sledge GW, Carey LA. Poly(ADP-Ribose) Polymerase Inhibition: “Targeted” Therapy for Triple-Negative Breast Cancer. Clinical Cancer Research 2010, 16: 4702-4710. PMID: 20858840, PMCID: PMC2948607, DOI: 10.1158/1078-0432.ccr-10-0939.Peer-Reviewed Original ResearchConceptsTriple-negative breast cancerBreast cancerPARP inhibitorsClinical trialsAdvanced triple-negative breast cancerHuman epidermal growth factor receptor 2Epidermal growth factor receptor 2PARP inhibitionAdvanced breast cancerGrowth factor receptor 2Clinico-pathologic featuresPositive breast cancerNovel therapeutic classFactor receptor 2Mechanism of actionPreclinical rationalePreclinical modelsNovel agentsReceptor 2CancerTherapeutic classesPolymerase inhibitorsPolymerase inhibitionDNA repairInhibitorsInhibition of poly(ADP-ribose) polymerase down-regulates BRCA1 and RAD51 in a pathway mediated by E2F4 and p130
Hegan DC, Lu Y, Stachelek GC, Crosby ME, Bindra RS, Glazer PM. Inhibition of poly(ADP-ribose) polymerase down-regulates BRCA1 and RAD51 in a pathway mediated by E2F4 and p130. Proceedings Of The National Academy Of Sciences Of The United States Of America 2010, 107: 2201-2206. PMID: 20133863, PMCID: PMC2836641, DOI: 10.1073/pnas.0904783107.Peer-Reviewed Original ResearchMeSH KeywordsCell Line, TumorColonic NeoplasmsCrk-Associated Substrate ProteinDNA RepairDown-RegulationE2F4 Transcription FactorEnzyme InhibitorsGenes, BRCA1HumansPhenanthrenesPoly (ADP-Ribose) Polymerase-1Poly(ADP-ribose) Polymerase InhibitorsPoly(ADP-ribose) PolymerasesPromoter Regions, GeneticRad51 RecombinaseRadiation-Sensitizing AgentsRNA, Small InterferingConceptsHomology-dependent repairBase excision repair factorsExcision repair factorsPARP inhibitionRole of PARPPARP inhibitorsRepair factorsExpression of BRCA1DNA repairDNA breaksHypoxic cancer cellsRAD51SiRNA knockdownDNA damagePARP-1P130 expressionCancer therapyP130Cancer cellsPARPRad51 promoterHPV E7BRCA1E7 expressionSiRNAs
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