2001
Chromosome 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 administrationDNAHypermutability to ionizing radiation in mismatch repair-deficient, Pms2 knockout mice.
Xu X, Narayanan L, Dunklee B, Liskay R, Glazer P. Hypermutability to ionizing radiation in mismatch repair-deficient, Pms2 knockout mice. Cancer Research 2001, 61: 3775-80. PMID: 11325851.Peer-Reviewed Original ResearchConceptsMismatch repairSimple sequence repeatsWild-type transgenic miceCell linesLambda cII geneMutation frequencyDNA mismatch repairHigher clonogenic survivalMMR-deficient miceLambda shuttle vectorTolerance phenotypeSequence repeatsPatterns of IRReporter geneRepeat sequencesMononucleotide repeat sequencesShuttle vectorSingle bp deletionCII geneNullizygous animalsNullizygous miceHypermutabilityBp deletionWild-type miceClonogenic survival
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 detection
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 linker
1997
Elevated 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 micePotassium-Resistant Triple Helix Formation and Improved Intracellular Gene Targeting by Oligodeoxyribonucleotides Containing 7-Deazaxanthine
Faruqi A, Krawczyk S, Matteucci M, Glazer P. Potassium-Resistant Triple Helix Formation and Improved Intracellular Gene Targeting by Oligodeoxyribonucleotides Containing 7-Deazaxanthine. Nucleic Acids Research 1997, 25: 633-640. PMID: 9016606, PMCID: PMC146453, DOI: 10.1093/nar/25.3.633.Peer-Reviewed Original ResearchConceptsTriple helix-forming oligonucleotidesTriple helix formationGel mobility shift assaysHelix formationMutation reporter geneMobility shift assaysMammalian cellsAnti-gene strategyHigh mutation frequencyShift assaysGene targetingReporter geneGenesPhosphodiester backboneMutation frequencyPsoralen adductsVivo geneTriplex formationPhysiological concentrationsNucleotide chemistry
1996
Other transgenic mutation assays: Tissue specificity of spontaneous point mutations in λsupF transgenic mice
Leach E, Narayanan L, Havre P, Gunther E, Yeasky T, Glazer P. Other transgenic mutation assays: Tissue specificity of spontaneous point mutations in λsupF transgenic mice. Environmental And Molecular Mutagenesis 1996, 28: 459-464. PMID: 8991078, DOI: 10.1002/(sici)1098-2280(1996)28:4<459::aid-em23>3.0.co;2-d.Peer-Reviewed Original Research
1995
Induction of p53 in mouse cells decreases mutagenesis by UV radiation
Yuan J, Yeasky T, Havre P, Glazer P. Induction of p53 in mouse cells decreases mutagenesis by UV radiation. Carcinogenesis 1995, 16: 2295-2300. PMID: 7586125, DOI: 10.1093/carcin/16.10.2295.Peer-Reviewed Original ResearchConceptsInduction of p53Cell cycle blockCell linesCycle blockRole of p53Cell cycle analysisInvolvement of p53Lambda phage shuttle vectorWestern blotChromosomal damageClonogenic survivalNucleotide excision repairUV-induced mutationsCellular DNA damageP53 alleleRecent evidenceP53Recoverable lambda phage shuttle vectorFibroblast cell lineMutation reporter geneUV-induced lesionsG1 phaseP53 activityMouse fibroblast cell lineReporter geneMutagenesis by 8-methoxypsoralen and 5-methylangelicin photoadducts in mouse fibroblasts: mutations at cross-linkable sites induced by offoadducts as well as cross-links.
Gunther E, Yeasky T, Gasparro F, Glazer P. Mutagenesis by 8-methoxypsoralen and 5-methylangelicin photoadducts in mouse fibroblasts: mutations at cross-linkable sites induced by offoadducts as well as cross-links. Cancer Research 1995, 55: 1283-8. PMID: 7882323.Peer-Reviewed Original ResearchConceptsLambda phage shuttle vectorMutation reporter geneMammalian cellsCross-linkable sitesFibroblast cell lineMouse fibroblast cell lineReporter geneMolecular eventsShuttle vectorSpectrum of mutationsMouse fibroblastsPremutagenic lesionsSupF geneCross-link formationMutationsC transversionCell linesMutagenesisGenesApt sitePsoralen treatmentCellsSitesDNAFrequent T:A→G:C transversions in X-irradiated mouse cells
Yuan J, Yeasky T, Rhee M, Glazer P. Frequent T:A→G:C transversions in X-irradiated mouse cells. Carcinogenesis 1995, 16: 83-88. PMID: 7834808, DOI: 10.1093/carcin/16.1.83.Peer-Reviewed Original ResearchConceptsMammalian cellsMouse cellsC transversionRadiation-induced point mutationsLambda phage shuttle vectorPoint mutationsMutation reporter geneRecoverable lambda phage shuttle vectorDistinctive mutational signaturesUnique mutational spectrumPattern of mutationsReporter geneSpontaneous mutationsShuttle vectorCellular repair processesMultiple copiesMutational signaturesPolymerase betaMouse fibroblastsMutationsMutational spectrumTransversionsRepair processCellsPossible role