Featured Publications
Human DNA polymerase θ harbors DNA end-trimming activity critical for DNA repair
Zahn KE, Jensen RB, Wood RD, Doublié S. Human DNA polymerase θ harbors DNA end-trimming activity critical for DNA repair. Molecular Cell 2021, 81: 1534-1547.e4. PMID: 33577776, PMCID: PMC8231307, DOI: 10.1016/j.molcel.2021.01.021.Peer-Reviewed Original ResearchDNA Strand Exchange to Monitor Human RAD51-Mediated Strand Invasion and Pairing
Lahiri S, Jensen RB. DNA Strand Exchange to Monitor Human RAD51-Mediated Strand Invasion and Pairing. Methods In Molecular Biology 2020, 2153: 101-113. PMID: 32840775, PMCID: PMC10434838, DOI: 10.1007/978-1-0716-0644-5_8.Peer-Reviewed Original ResearchConceptsDNA double-strand breaksDNA strand exchangeStrand invasionSingle-strand DNA gapsStrand exchangeDNA DSBsHuman Rad51 proteinDNA strand exchange reactionDouble-strand breaksHomologous recombination pathwayHigh-fidelity repairStrand exchange reactionGenomic integrityRad51 proteinReplication forksDNA substratesHomology searchDNA gapsGenetic informationMitotic cellsRecombination pathwayDNA moleculesProteinInvasionMeiosisPreserving genome integrity in human cells via DNA double-strand break repair
Jensen RB, Rothenberg E. Preserving genome integrity in human cells via DNA double-strand break repair. Molecular Biology Of The Cell 2020, 31: 859-865. PMID: 32286930, PMCID: PMC7185975, DOI: 10.1091/mbc.e18-10-0668.Peer-Reviewed Original ResearchConceptsGenome integrityHuman cellsHuman diseasesRepair pathwaysDNA DSB repair pathwaysDNA double-strand break repairDNA double-strand break repair pathwayDouble-strand break repair pathwayDouble-strand break repairDSB repair pathwaysCell cycle checkpointsBreak repair pathwayFull tumorigenic potentialDNA repair failureChromatin dynamicsGenome stabilityNuclear architectureCellular signalingDNA replicationBreak repairCellular stressCycle checkpointsDNA repairCellular activitiesHomologous recombination-deficient tumorsA 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 penetrationBRCA2: one small step for DNA repair, one giant protein purified.
Jensen RB. BRCA2: one small step for DNA repair, one giant protein purified. The Yale Journal Of Biology And Medicine 2013, 86: 479-89. PMID: 24348212, PMCID: PMC3848102.Peer-Reviewed Original ResearchConceptsHomologous recombinationDNA repairDNA double-strand break repairActivity of Rad51Double-strand break repairDNA double-strand breaksReplication protein A.Homologous DNA sequencesDouble-strand breaksCurrent biochemical dataHigh-fidelity repairRole of BRCA2Faithful repairRad51 proteinNucleoprotein filamentBreak repairSingle-strand DNADNA sequencesGenomic instabilityDNA breaksGiant proteinRAD51Gene BRCA2BRCA2 proteinCentral playerPurified human BRCA2 stimulates RAD51-mediated recombination
Jensen RB, Carreira A, Kowalczykowski SC. Purified human BRCA2 stimulates RAD51-mediated recombination. Nature 2010, 467: 678-683. PMID: 20729832, PMCID: PMC2952063, DOI: 10.1038/nature09399.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid MotifsApoptosis Regulatory ProteinsBRCA2 ProteinCell Cycle ProteinsCell LineChromosomal InstabilityDNADNA RepairDNA-Binding ProteinsDNA, Single-StrandedHumansMutationProtein BindingRad51 RecombinaseRecombination, GeneticReplication Protein ASequence Homology, Nucleic AcidSubstrate SpecificityConceptsHuman BRCA2Assembly of RAD51Rad51-ssDNA filamentRecombinational DNA repairDNA repair processesBreast cancer susceptibility genesRepair processReplication proteinsCancer susceptibility genesSsDNA annealingBind RAD51Homologous recombinationDNA repairMolecular basisATP hydrolysisRAD51Large proteinsChromosomal instabilitySusceptibility genesMechanistic insightsKey mediatorProteinDNAMutationsBRCA2
2023
BRCA2 chaperones RAD51 to single molecules of RPA-coated ssDNA
Bell J, Dombrowski C, Plank J, Jensen R, Kowalczykowski S. BRCA2 chaperones RAD51 to single molecules of RPA-coated ssDNA. Proceedings Of The National Academy Of Sciences Of The United States Of America 2023, 120: e2221971120. PMID: 36976771, PMCID: PMC10083600, DOI: 10.1073/pnas.2221971120.Peer-Reviewed Original Research
2022
DNA fiber combing protocol using in-house reagents and coverslips to analyze replication fork dynamics in mammalian cells
Moore G, Sainz J, Jensen RB. DNA fiber combing protocol using in-house reagents and coverslips to analyze replication fork dynamics in mammalian cells. STAR Protocols 2022, 3: 101371. PMID: 35573479, PMCID: PMC9092994, DOI: 10.1016/j.xpro.2022.101371.Peer-Reviewed Original Research
2019
The Post-Synaptic Function of Brca2
Wang CX, Jimenez-Sainz J, Jensen RB, Mazin AV. The Post-Synaptic Function of Brca2. Scientific Reports 2019, 9: 4554. PMID: 30872704, PMCID: PMC6418147, DOI: 10.1038/s41598-019-41054-y.Peer-Reviewed Original ResearchConceptsDNA double-strand breaksHomologous recombinationMammalian cellsRegulation of HRDisplacement loop (D-loop) structureDouble-strand breaksPresynaptic nucleoprotein filamentHigh-fidelity processRAD51 activityGenetic diversityNucleoprotein filamentDSB repairHomologous dsDNAD-loopPost-synaptic functionRAD51Mechanistic underpinningsBiologic functionsUnexpected activityLoop structureBRCA2SsDNAFilamentsCellsDiversity