Featured Publications
Triapine Disrupts CtIP-Mediated Homologous Recombination Repair and Sensitizes Ovarian Cancer Cells to PARP and Topoisomerase Inhibitors
Lin ZP, Ratner ES, Whicker ME, Lee Y, Sartorelli AC. Triapine Disrupts CtIP-Mediated Homologous Recombination Repair and Sensitizes Ovarian Cancer Cells to PARP and Topoisomerase Inhibitors. Molecular Cancer Research 2014, 12: 381-393. PMID: 24413181, PMCID: PMC3962722, DOI: 10.1158/1541-7786.mcr-13-0480.Peer-Reviewed Original ResearchMeSH KeywordsAntineoplastic Combined Chemotherapy ProtocolsCarcinoma, Ovarian EpithelialCarrier ProteinsCell Line, TumorDrug SynergismFemaleHumansNeoplasms, Glandular and EpithelialOvarian NeoplasmsPhthalazinesPiperazinesPoly(ADP-ribose) Polymerase InhibitorsPoly(ADP-ribose) PolymerasesPyridinesRecombination, GeneticRecombinational DNA RepairThiosemicarbazonesTopoisomerase InhibitorsTransfectionConceptsHomologous recombination repairEOC cellsCtIP phosphorylationRecombination repairDNA double-strand break resectionCyclin-dependent kinase activityTopoisomerase II inhibitor etoposidePhosphorylation of CtIPDouble-strand break resectionSmall molecule inhibitorsRPA32 phosphorylationBRCA1 interactionBRCA1 fociNbs1 complexMre11-Rad50Chk1 activationDSB resectionKinase activitySynthetic lethalityRAD51 fociOvarian cancer cellsInhibitor etoposideCell cycleRibonucleotide reductaseCtIPCombination of triapine, olaparib, and cediranib suppresses progression of BRCA-wild type and PARP inhibitor-resistant epithelial ovarian cancer
Lin ZP, Zhu YL, Lo YC, Moscarelli J, Xiong A, Korayem Y, Huang PH, Giri S, LoRusso P, Ratner ES. Combination of triapine, olaparib, and cediranib suppresses progression of BRCA-wild type and PARP inhibitor-resistant epithelial ovarian cancer. PLOS ONE 2018, 13: e0207399. PMID: 30444904, PMCID: PMC6239325, DOI: 10.1371/journal.pone.0207399.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntineoplastic Combined Chemotherapy ProtocolsBRCA1 ProteinBreast NeoplasmsCell Line, TumorDrug Resistance, NeoplasmFemaleHumansMice, NudeMice, SCIDPhthalazinesPiperazinesPoly(ADP-ribose) Polymerase InhibitorsPyridinesQuinazolinesThiosemicarbazonesXenograft Model Antitumor AssaysConceptsEpithelial ovarian cancerBRCA wild typeSCID-beige miceXenograft mouse modelOvarian cancerMouse modelSurvival timeNude micePARP inhibitorsEOC cell linesPARP inhibitor olaparibHomologous recombination repairCombination regimentsDefective homologous recombination (HR) repairEOC growthC tumorsSignificant prolongationBRCA mutationsAbdominal circumferenceEOC cellsSingle drugCediranibMarked suppressionTriple combinationTumor growth
2004
Stable Suppression of the R2 Subunit of Ribonucleotide Reductase by R2-targeted Short Interference RNA Sensitizes p53(–/–) HCT-116 Colon Cancer Cells to DNA-damaging Agents and Ribonucleotide Reductase Inhibitors*
Lin ZP, Belcourt MF, Cory JG, Sartorelli AC. Stable Suppression of the R2 Subunit of Ribonucleotide Reductase by R2-targeted Short Interference RNA Sensitizes p53(–/–) HCT-116 Colon Cancer Cells to DNA-damaging Agents and Ribonucleotide Reductase Inhibitors*. Journal Of Biological Chemistry 2004, 279: 27030-27038. PMID: 15096505, DOI: 10.1074/jbc.m402056200.Peer-Reviewed Original ResearchMeSH KeywordsAntineoplastic AgentsCell Line, TumorCell SurvivalCisplatinColonic NeoplasmsDeoxyribonucleotidesDNA DamageDown-RegulationDoxorubicinEnzyme InhibitorsEtoposideGene Expression Regulation, NeoplasticGene SilencingHumansHydroxyureaIntracellular Signaling Peptides and ProteinsProtein SubunitsProto-Oncogene ProteinsPyridinesRecombinant ProteinsRibonucleotide ReductasesRNA, Small InterferingThiosemicarbazonesTumor Suppressor Protein p53VincristineConceptsShort interference RNAR2 proteinRibonucleotide reductaseInterference RNADNA damageRNR inhibitorsHCT-116 cellsMammalian ribonucleotide reductaseDNA-damaging agent cisplatinCellular growth rateHCT-116 colon cancer cellsDNA-damaging agentsP53-dependent inductionColon cancer cellsHCT-116 human colon carcinoma cellsHuman colon carcinoma cellsDNA replicationEctopic expressionKnockdown cellsColon carcinoma cellsExpression vectorDeoxyribonucleoside diphosphatesStable expressionR2 subunitRibonucleotide reductase inhibitor