2024
The novel DNA cross-linking agent KL-50 is active against patient-derived models of new and recurrent post-temozolomide mismatch repair-deficient glioblastoma
McCord M, Sears T, Wang W, Chaliparambil R, An S, Sarkaria J, James C, Ruggeri B, Gueble S, Bindra R, Horbinski C. The novel DNA cross-linking agent KL-50 is active against patient-derived models of new and recurrent post-temozolomide mismatch repair-deficient glioblastoma. Neuro-Oncology 2024, noae257. PMID: 39658092, DOI: 10.1093/neuonc/noae257.Peer-Reviewed Original ResearchMedian survival of miceSurvival of miceMedian survivalIDH wild-type glioblastomaO-6-methylguanine-DNA methyltransferaseExposure to temozolomideAcquired resistance to TMZWild-type glioblastomaPatient-derived xenograftsSensitivity to temozolomidePatient-derived modelsResistance to temozolomideLN229 glioma cellsPatient-derived glioblastomaRecurrent tumorsMGMT deficiencyFractionated RTTemozolomideLow dosesImprove outcomesGlioblastomaEnzyme deficiencyMismatch repairGlioma cellsGBM12
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