2021
Tumor-selective, antigen-independent delivery of a pH sensitive peptide-topoisomerase inhibitor conjugate suppresses tumor growth without systemic toxicity
Gayle S, Aiello R, Leelatian N, Beckta JM, Bechtold J, Bourassa P, Csengery J, Maguire RJ, Marshall D, Sundaram RK, Van Doorn J, Jones K, Moore H, Lopresti-Morrow L, Paradis T, Tylaska L, Zhang Q, Visca H, Reshetnyak YK, Andreev OA, Engelman DM, Glazer PM, Bindra RS, Paralkar VM. Tumor-selective, antigen-independent delivery of a pH sensitive peptide-topoisomerase inhibitor conjugate suppresses tumor growth without systemic toxicity. NAR Cancer 2021, 3: zcab021. PMID: 34316708, PMCID: PMC8210154, DOI: 10.1093/narcan/zcab021.Peer-Reviewed Original ResearchAntigen-independent mannerTherapeutic indexTumor growthSystemic toxicityHigh unmet needFavorable therapeutic indexHuman tumor modelsTopoisomerase inhibitorsSevere systemic toxicityHigh therapeutic indexRibose polymerase inhibitorsHuman solid tumorsSuppress tumor growthTumor cell killingAntibody-drug conjugatesSynergistic tumor cell killingUniversal tumorSpecific antigenSolid tumorsUnmet needPARP inhibitorsTumor modelCytotoxic payloadDNA repair inhibitorsPolymerase inhibitors
2018
Krebs-cycle-deficient hereditary cancer syndromes are defined by defects in homologous-recombination DNA repair
Sulkowski PL, Sundaram RK, Oeck S, Corso CD, Liu Y, Noorbakhsh S, Niger M, Boeke M, Ueno D, Kalathil AN, Bao X, Li J, Shuch B, Bindra RS, Glazer PM. Krebs-cycle-deficient hereditary cancer syndromes are defined by defects in homologous-recombination DNA repair. Nature Genetics 2018, 50: 1086-1092. PMID: 30013182, PMCID: PMC6072579, DOI: 10.1038/s41588-018-0170-4.Peer-Reviewed Original ResearchConceptsDNA double-strand breaksPGL/PCCDNA repair deficiency syndromeHomologous recombination DNA repair pathwayDNA repair pathwaysDouble-strand breaksHomologous recombination DNA repairSynthetic lethal targetingGenomic integrityDNA repairFumarate hydrataseMechanistic basisCancer predispositionFunction mutationsGermline lossKrebs cycleSuccinate dehydrogenaseHereditary paragangliomaRespectively1–3Ribose polymerase inhibitorsHereditary leiomyomatosisHereditary cancer syndromesCancer syndromesTumor cellsPolymerase inhibitors
2017
Induction of a BRCAness state by oncometabolites and exploitation by PARP inhibitors.
Bindra R, Sulkowski P, Corso C, Glazer P, Shuch B. Induction of a BRCAness state by oncometabolites and exploitation by PARP inhibitors. Journal Of Clinical Oncology 2017, 35: 11586-11586. DOI: 10.1200/jco.2017.35.15_suppl.11586.Peer-Reviewed Original ResearchAcute myeloid leukemiaMulti-center phase II trialIDH1/2 mutationsPARP inhibitorsMutant IDH1/2 inhibitorsPhase II trialEfficacy of olaparibPoly (ADP-ribose) polymerase (PARP) inhibitorsRelated gene mutationsHomologous recombination defectsII trialIDH1/2 inhibitorsMyeloid leukemiaIsocitrate dehydrogenase 1Therapeutic strategiesPathologic processesSmall molecule inhibitorsIDH1/2-mutant tumorsSmall molecule inhibitionTumor progressionDNA repair inhibitorsPolymerase inhibitorsModern oncologyTumor cellsKey mediator2-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