2023
Acetylation of MLH1 by CBP increases cellular DNA mismatch repair activity
Zhang M, Zhao J, Glazer P, Bai W, Bepler G, Zhang X. Acetylation of MLH1 by CBP increases cellular DNA mismatch repair activity. The Journal Of Biochemistry 2023, 174: 183-191. PMID: 37094360, DOI: 10.1093/jb/mvad034.Peer-Reviewed Original ResearchConceptsMutLα complexMMR activityUbiquitin-proteasome degradation pathwayDNA mismatch repair activityDNA damage responsePost-translational modificationsCell cycle checkpointsOverexpression of CBPMismatch repair activityDNA base pair mismatchesInsertions/deletionsDNA mismatch repair proteinsGenomic integrityDamage responseDNA replicationCycle checkpointsRepair proteinsTrichostatin ABase pair mismatchesNovel roleMismatch repair proteinsRepair activityCBPProteinDeacetylase inhibitors
2022
An ELISA-based platform for rapid identification of structure-dependent nucleic acid–protein interactions detects novel DNA triplex interactors
Economos NG, Thapar U, Balasubramanian N, Karras GI, Glazer PM. An ELISA-based platform for rapid identification of structure-dependent nucleic acid–protein interactions detects novel DNA triplex interactors. Journal Of Biological Chemistry 2022, 298: 102398. PMID: 35988651, PMCID: PMC9493393, DOI: 10.1016/j.jbc.2022.102398.Peer-Reviewed Original ResearchConceptsNucleic acid structuresNucleic acid-protein interactionsNucleotide excision repairSingle-strand annealing repairDouble-strand break intermediatesUnusual nucleic acid structuresNovel interactorNucleic acid interactionsHigh-throughput platformCellular processesFactor localizationAcid structureExcision repairRelevant lociHuman cellsGene editingAcid interactionsInteractorsTherapeutic gene editingNucleic acidsDNA triplexesRapid identificationComparative approachGenomeTriplexes
2017
A cell-penetrating antibody inhibits human RAD51 via direct binding
Turchick A, Hegan DC, Jensen RB, Glazer PM. A cell-penetrating antibody inhibits human RAD51 via direct binding. Nucleic Acids Research 2017, 45: 11782-11799. PMID: 29036688, PMCID: PMC5714174, DOI: 10.1093/nar/gkx871.Peer-Reviewed Original ResearchConceptsHomology-directed repairMolecular basisDirect bindingSynthetic lethal killingPre-clinical developmentBRCA2-deficient cancer cellsCell-penetrating antibodiesAnti-cancer agentsLupus autoantibodiesHuman Rad51DNA repairDNA bindingRAD51N-terminusCancer cellsSilico molecular modelingFunction mutationsCancer therapySpecific inhibitorDNANovel inhibitorsAttractive targetComplementarity-determining regionsMolecular modelingCell penetration
2016
In vivo correction of anaemia in β-thalassemic mice by γPNA-mediated gene editing with nanoparticle delivery
Bahal R, Ali McNeer N, Quijano E, Liu Y, Sulkowski P, Turchick A, Lu YC, Bhunia DC, Manna A, Greiner DL, Brehm MA, Cheng CJ, López-Giráldez F, Ricciardi A, Beloor J, Krause DS, Kumar P, Gallagher PG, Braddock DT, Mark Saltzman W, Ly DH, Glazer PM. In vivo correction of anaemia in β-thalassemic mice by γPNA-mediated gene editing with nanoparticle delivery. Nature Communications 2016, 7: 13304. PMID: 27782131, PMCID: PMC5095181, DOI: 10.1038/ncomms13304.Peer-Reviewed Original ResearchConceptsNanoparticle deliveryGene correctionReversal of splenomegalyPeptide nucleic acidLow off-target effectsVivo correctionGenome editingOff-target effectsGene editingHaematopoietic stem cellsNucleic acidsDonor DNAStem cellsΓPNAΒ-thalassaemiaNanoparticlesDeliveryEditingSCF treatmentTriplex formation
2001
Intracellular generation of single-stranded DNA for chromosomal triplex formation and induced recombination
Datta H, Glazer P. Intracellular generation of single-stranded DNA for chromosomal triplex formation and induced recombination. Nucleic Acids Research 2001, 29: 5140-5147. PMID: 11812847, PMCID: PMC97609, DOI: 10.1093/nar/29.24.5140.Peer-Reviewed Original ResearchConceptsNovel vector systemMouse cellsInduced recombinationPrimer extension analysisVector systemGenome modificationTriplex formationExtension analysisIntrachromosomal recombinationChromosomal eventsGene expressionSequence insertReporter substrateSuch oligodeoxyribonucleotidesTarget siteSsDNA moleculesIntracellular generationDNARecombinationEfficient intracellular deliveryCellsSuch moleculesSequenceIntracellular deliveryOligodeoxyribonucleotidesTriplex forming oligonucleotides: sequence-specific tools for gene targeting
Knauert M, Glazer P. Triplex forming oligonucleotides: sequence-specific tools for gene targeting. Human Molecular Genetics 2001, 10: 2243-2251. PMID: 11673407, DOI: 10.1093/hmg/10.20.2243.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsHuman gene therapyGene therapy agentsAbility of TFOsTriplex formingGenome modificationGene therapyMammalian cellsGenetic manipulationGene targetingGene expressionPotential applicationsGenetic targetingDuplex DNATherapy agentsMajor grooveLoose canonsHigh specificityGenesRecent studiesTargetingRelated moleculesTFOCellsDevicesDNAChromosome Targeting at Short Polypurine Sites by Cationic Triplex-forming Oligonucleotides*
Vasquez K, Dagle J, Weeks D, Glazer P. Chromosome Targeting at Short Polypurine Sites by Cationic Triplex-forming Oligonucleotides*. Journal Of Biological Chemistry 2001, 276: 38536-38541. PMID: 11504712, DOI: 10.1074/jbc.m101797200.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBase SequenceCationsChromosomesCOS CellsDiaminesDNADNA Mutational AnalysisDose-Response Relationship, DrugEthylenediaminesFicusinGenes, ReporterGenes, SuppressorGenetic TechniquesGenomeIndicators and ReagentsMagnesiumMiceMice, KnockoutModels, GeneticMolecular Sequence DataMutagenesisMutagenesis, Site-DirectedNucleic Acid ConformationPotassiumProtein BindingPurinesRNA, TransferSequence Homology, Nucleic AcidConceptsChromosomal reporter geneMonkey COS cellsTarget siteSite-specific mutationsTriplex target sitesChromosome targetingEpisomal targetChromosomal targetsGene mutagenesisMammalian cellsSite-specific inductionChromosomal lociReporter geneCOS cellsGene knockoutGenomic DNAMouse cellsSite-directed modificationOligonucleotide bindsPhosphodiester bondShort sitesThird strand bindingPhosphodiester backboneSystemic administrationDNADirected gene modification via triple helix formation.
Gorman L, Glazer P. Directed gene modification via triple helix formation. 2001, 1: 391-9. PMID: 11899085, DOI: 10.2174/1566524013363771.Peer-Reviewed Original ResearchConceptsGene modificationNon-functional gene productMammalian genesGene productsGenomic DNASingle nucleotideDefective geneTriple helix formationGenetic diseasesTriplex formingGenesHelix formationEfficient targetingNucleic acidsDNAInitial stepGene therapyCorrect sequenceNucleotidesMutationsMoleculesImportant advancesSequenceTargetingModificationGene targeting via triple-helix formation
Casey B, Glazer P. Gene targeting via triple-helix formation. Progress In Nucleic Acid Research And Molecular Biology 2001, 67: 163-192. PMID: 11525382, DOI: 10.1016/s0079-6603(01)67028-4.Peer-Reviewed Original Research
2000
Specific Mutations Induced by Triplex-Forming Oligonucleotides in Mice
Vasquez K, Narayanan L, Glazer P. Specific Mutations Induced by Triplex-Forming Oligonucleotides in Mice. Science 2000, 290: 530-533. PMID: 11039937, DOI: 10.1126/science.290.5491.530.Peer-Reviewed Original ResearchConceptsSomatic cellsSpecific genomic sitesEmbryonic stem cell technologyDuplex DNA sequencesGene functionGreater mutation frequenciesGenomic sitesGenome modificationChromosomal copyDNA sequencesSequence-controlled oligomersReporter geneStem cell technologyControl genesGerm-line mutationsGenesSpecific mutationsSupF geneControl oligomersMutationsMutation frequencyTransgenic miceOligonucleotideCellsMutation detectionActivation of human γ-globin gene expression via triplex-forming oligonucleotide (TFO)-directed mutations in the γ-globin gene 5′ flanking region
Xu X, Glazer P, Wang G. Activation of human γ-globin gene expression via triplex-forming oligonucleotide (TFO)-directed mutations in the γ-globin gene 5′ flanking region. Gene 2000, 242: 219-228. PMID: 10721715, DOI: 10.1016/s0378-1119(99)00522-3.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBase SequenceBinding SitesCell LineDNADNA-Binding ProteinsGene Expression RegulationGlobinsHeLa CellsHost Cell Factor C1HumansK562 CellsMolecular Sequence DataMutagenesis, Site-DirectedMutationOctamer Transcription Factor-1OligonucleotidesProtein BindingRegulatory Sequences, Nucleic AcidTranscription FactorsTumor Cells, CulturedConceptsGamma-globin gene expressionGamma-globin geneGene expressionHuman γ-globin gene expressionVivo gene expression assaysΓ-globin gene expressionGenetic diseasesAgamma-globin geneMouse erythroleukemia cellsTarget gene expressionTarget siteBeta-globin disordersFetal hemoglobin (HPFH) conditionBeta-globin geneSingle base changeGene expression assaysProtein binding assaysTranscription factorsHuman normal fibroblast cellsDNA sequencing analysisCommon genetic diseaseFlanking regionsExpression assaysErythroleukemia cellsTriplex-forming oligonucleotides
1999
Targeted Correction of an Episomal Gene in Mammalian Cells by a Short DNA Fragment Tethered to a Triplex-forming Oligonucleotide*
Chan P, Lin M, Faruqi A, Powell J, Seidman M, Glazer P. Targeted Correction of an Episomal Gene in Mammalian Cells by a Short DNA Fragment Tethered to a Triplex-forming Oligonucleotide*. Journal Of Biological Chemistry 1999, 274: 11541-11548. PMID: 10206960, DOI: 10.1074/jbc.274.17.11541.Peer-Reviewed Original ResearchConceptsMammalian cellsGene correctionSV40 shuttle vectorTriplex motifNucleotide excision repairSequence-specific mannerEpisomal geneSupF reporter geneXPA cDNASpecific target sitesGene conversionShort DNA fragmentsDNA repairGene targetingTarget genesDNA segmentsReporter geneExcision repairDNA fragmentsBifunctional oligonucleotidesShuttle vectorSequence conversionGenesSV40 vectorsFlexible linkerChromosomal mutations induced by triplex-forming oligonucleotides in mammalian cells
Vasquez K, Wang G, Havre P, Glazer P. Chromosomal mutations induced by triplex-forming oligonucleotides in mammalian cells. Nucleic Acids Research 1999, 27: 1176-1181. PMID: 9927753, PMCID: PMC148300, DOI: 10.1093/nar/27.4.1176.Peer-Reviewed Original ResearchConceptsTriplex-forming oligonucleotidesMutation reporter geneMultiple chromosomal copiesMutation frequencyMammalian chromosomesTriplex binding siteMammalian cellsChromosomal copyFibroblast cell lineChromosomal lociGenetic manipulationMouse fibroblast cell lineSequencing dataChromosomal mutationsDuplex DNAUntreated control cellsBinding sitesCell linesControl cellsSpecific recognitionMutagenesisMutationsT transversionSpecific sitesCellsTriplex Formation by Oligonucleotides Containing 5-(1-Propynyl)-2‘-deoxyuridine: Decreased Magnesium Dependence and Improved Intracellular Gene Targeting †
Lacroix L, Lacoste J, Reddoch J, Mergny J, Levy D, Seidman M, Matteucci M, Glazer P. Triplex Formation by Oligonucleotides Containing 5-(1-Propynyl)-2‘-deoxyuridine: Decreased Magnesium Dependence and Improved Intracellular Gene Targeting †. Biochemistry 1999, 38: 1893-1901. PMID: 10026270, DOI: 10.1021/bi982290q.Peer-Reviewed Original Research
1998
Targeted gene knockout mediated by triple helix forming oligonucleotides
Majumdar A, Khorlin A, Dyatkina N, Lin F, Powell J, Liu J, Fei Z, Khripine Y, Watanabe K, George J, Glazer P, Seidman M. Targeted gene knockout mediated by triple helix forming oligonucleotides. Nature Genetics 1998, 20: 212-214. PMID: 9771719, DOI: 10.1038/2530.Peer-Reviewed Original ResearchPeptide nucleic acid-targeted mutagenesis of a chromosomal gene in mouse cells
Faruqi A, Egholm M, Glazer P. Peptide nucleic acid-targeted mutagenesis of a chromosomal gene in mouse cells. Proceedings Of The National Academy Of Sciences Of The United States Of America 1998, 95: 1398-1403. PMID: 9465026, PMCID: PMC19018, DOI: 10.1073/pnas.95.4.1398.Peer-Reviewed Original Research
1997
Role of DNA mismatch repair in the cytotoxicity of ionizing radiation.
Fritzell J, Narayanan L, Baker S, Bronner C, Andrew S, Prolla T, Bradley A, Jirik F, Liskay R, Glazer P. Role of DNA mismatch repair in the cytotoxicity of ionizing radiation. Cancer Research 1997, 57: 5143-7. PMID: 9371516.Peer-Reviewed Original ResearchConceptsMammalian cellsCellular responsesCell linesTranscription-coupled repairMMR systemWild-type cellsDNA-damaging agentsWild-type cell linesMMR-deficient cellsDNA mismatch repairDNA mismatch repair systemMismatch repair systemActive genesFutile repairMMR factorsAlkylation damageMismatch repairReplication errorsDNA damageRepair systemRelated miceCancer cellsClonogenic survivalMMR genesGenesTriplex DNA: fundamentals, advances, and potential applications for gene therapy
Chan P, Glazer P. Triplex DNA: fundamentals, advances, and potential applications for gene therapy. Journal Of Molecular Medicine 1997, 75: 267-282. PMID: 9151213, DOI: 10.1007/s001090050112.Peer-Reviewed Original ResearchElevated levels of mutation in multiple tissues of mice deficient in the DNA mismatch repair gene Pms2
Narayanan L, Fritzell J, Baker S, Liskay R, Glazer P. Elevated levels of mutation in multiple tissues of mice deficient in the DNA mismatch repair gene Pms2. Proceedings Of The National Academy Of Sciences Of The United States Of America 1997, 94: 3122-3127. PMID: 9096356, PMCID: PMC20332, DOI: 10.1073/pnas.94.7.3122.Peer-Reviewed Original ResearchConceptsDNA mismatch repair gene PMS2Multiple tissuesMutation reporter geneMismatch repair gene PMS2Role of mutagenesisMammalian homologGenomic integrityReporter geneRepeat sequencesPMS2 locusMononucleotide repeat sequencesGenetic instabilityLimited tissue distributionDNA mismatch repair genesRepair genesHereditary colon cancerNormal developmentSlippage errorsGenesMutagenic treatmentEssential roleMismatch repair genesMutagenesisMutation frequencyHybrid transgenic mice
1996
Mutagenesis in Mammalian Cells Induced by Triple Helix Formation and Transcription-Coupled Repair
Wang G, Seidman M, Glazer P. Mutagenesis in Mammalian Cells Induced by Triple Helix Formation and Transcription-Coupled Repair. Science 1996, 271: 802-805. PMID: 8628995, DOI: 10.1126/science.271.5250.802.Peer-Reviewed Original ResearchConceptsMammalian cellsSufficient binding affinitiesTranscription-coupled repairHuman cell extractsInhibition of transcriptionSimian virus 40 vectorXeroderma pigmentosum groupExcision repairGenetic instabilityTriple helix formationCell extractsTriplex-forming oligonucleotidesGroup B cellsDNA repair synthesisTranscriptionMutagenesisRepair synthesisTriplex DNAHelix formationTriplex formationTriple helixCellsBinding affinitiesTherapeutic applicationsB cells