Featured Publications
Microcephalin Is a DNA Damage Response Protein Involved in Regulation of CHK1 and BRCA1 * ♦
Xu X, Lee J, Stern DF. Microcephalin Is a DNA Damage Response Protein Involved in Regulation of CHK1 and BRCA1 * ♦. Journal Of Biological Chemistry 2004, 279: 34091-34094. PMID: 15220350, DOI: 10.1074/jbc.c400139200.Peer-Reviewed Original ResearchMeSH KeywordsBlotting, NorthernBlotting, WesternBRCA1 ProteinCell CycleCell Cycle ProteinsCell LineCheckpoint Kinase 1Cytoskeletal ProteinsDNADNA DamageDown-RegulationG2 PhaseGene Expression RegulationGene Expression Regulation, NeoplasticHistonesHumansMicroscopy, FluorescenceMitosisNerve Tissue ProteinsPhosphorylationPlasmidsPrecipitin TestsProtein KinasesProtein Structure, TertiaryRadiation, IonizingRNA, MessengerRNA, Small InterferingConceptsDNA damage-induced cellular responsesDNA damage response proteinsCellular responsesDamage response proteinsNFBD1/MDC1Regulation of BRCA1Regulation of Chk1Radiation-induced fociEndogenous BRCA1BRCT domainFirst geneResponse proteinsTranscript levelsMCPH1Primary microcephalyProteinMicrocephalinChk1Autosomal recessive diseaseBRCA1RegulationRecessive diseaseMDC1PtcbGenesNFBD1/KIAA0170 Is a Chromatin-associated Protein Involved in DNA Damage Signaling Pathways*
Xu X, Stern DF. NFBD1/KIAA0170 Is a Chromatin-associated Protein Involved in DNA Damage Signaling Pathways*. Journal Of Biological Chemistry 2002, 278: 8795-8803. PMID: 12499369, DOI: 10.1074/jbc.m211392200.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingAmino Acid SequenceBase SequenceCell Cycle ProteinsChromatinDNA DamageDNA PrimersDNA ReplicationDNA-Binding ProteinsFluorescent Antibody Technique, IndirectG2 PhaseHeLa CellsHumansMitosisMolecular Sequence DataNuclear ProteinsPhosphorylationSequence Homology, Amino AcidSignal TransductionTrans-ActivatorsConceptsN-terminal FHA domainChromatin-associated proteinsDNA damageDNA Damage Signaling PathwayDNA double-strand breaksDiscrete nuclear fociDNA damage responseNumber of proteinsDouble-strand breaksBRCT domainFHA domainGamma-H2AX fociNuclear fociRad50 fociDamage responseDNA repairNFBD1Signaling pathwaysTandem repeatsProteinNuclear factorUntreated cellsHydroxyurea treatmentPathwayDiffuse nuclear staining
2005
The Plk1 Polo Box Domain Mediates a Cell Cycle and DNA Damage Regulated Interaction with Chk2
Tsvetkov LM, Tsekova RT, Xu X, Stern DF. The Plk1 Polo Box Domain Mediates a Cell Cycle and DNA Damage Regulated Interaction with Chk2. Cell Cycle 2005, 4: 602-610. PMID: 15876876, DOI: 10.4161/cc.4.4.1599.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCatalytic DomainCell CycleCell Cycle ProteinsCell DivisionCell SeparationCheckpoint Kinase 2DNA DamageDNA RepairG2 PhaseGenetic VectorsGlutathione TransferaseHeLa CellsHumansImmunoblottingImmunoprecipitationIn Vitro TechniquesMitosisPhosphorylationProtein BindingProtein KinasesProtein Serine-Threonine KinasesProtein Structure, TertiaryProto-Oncogene ProteinsSignal TransductionConceptsPlk1 polo-box domainDNA damage checkpointPolo-box domainPolo-like kinase 1Eukaryotic proteinsDamage checkpointMitotic regulationBox domainRegulated interactionPlk1 activityProtein kinaseSignaling cascadesChk2Kinase 1Tumor suppressorCell cycleDNA damageS phasePlk1M phaseMitosisMultiple processesPotential mechanismsPhosphorylatesKinase
2004
Phosphorylation of Plk1 at S137 and T210 is Inhibited in Response to DNA Damage
Tsvetkov L, Stern DF. Phosphorylation of Plk1 at S137 and T210 is Inhibited in Response to DNA Damage. Cell Cycle 2004, 4: 166-171. PMID: 15611664, DOI: 10.4161/cc.4.1.1348.Peer-Reviewed Original ResearchMeSH KeywordsAtaxia Telangiectasia Mutated ProteinsCaffeineCDC2 Protein KinaseCdc25 PhosphatasesCell Cycle ProteinsCell DivisionCell Line, TumorCheckpoint Kinase 1Checkpoint Kinase 2Cyclin BDNA DamageDNA-Binding ProteinsDoxorubicinEnzyme ActivationG2 PhaseHumansMitosisNocodazolePhosphorylationProtein KinasesProtein Serine-Threonine KinasesProto-Oncogene ProteinsSerineSignal TransductionStaurosporineThreonineTumor Suppressor ProteinsConceptsDNA damage checkpointThreonine 210Damage checkpointPlk1 phosphorylationDNA damageCdc2/cyclin B kinaseATR-dependent checkpoint pathwayChk2 protein kinaseDNA damage-induced inhibitionATM/ATRCyclin B kinasePolo-like kinase 1Phosphorylation of PLK1Activation of Cdc25CNuclear importPhosphopeptide mappingMitotic entryActivation loopPhosphorylation sitesVivo phosphorylationPlk1 activityKinase domainProtein kinasePrevents phosphorylationActive mutant
1998
Rad53 FHA Domain Associated with Phosphorylated Rad9 in the DNA Damage Checkpoint
Sun Z, Hsiao J, Fay D, Stern D. Rad53 FHA Domain Associated with Phosphorylated Rad9 in the DNA Damage Checkpoint. Science 1998, 281: 272-274. PMID: 9657725, DOI: 10.1126/science.281.5374.272.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceCell Cycle ProteinsCheckpoint Kinase 2DNA DamageDNA ReplicationFungal ProteinsG2 PhaseHydroxyureaMethyl MethanesulfonateMitosisMutationOligopeptidesPeptidesPhosphorylationProtein KinasesProtein Serine-Threonine KinasesSaccharomyces cerevisiaeSaccharomyces cerevisiae ProteinsTranscription, GeneticConceptsRad53 phosphorylationRad53 protein kinaseDNA damage signalsDNA damage checkpointProtein-binding domainsCell cycle phase arrestRNR3 transcriptionRad9 proteinFHA domainDamage checkpointG2/M cell cycle phase arrestCell divisionProtein kinaseSaccharomyces cerevisiaeDamage signalsRad9DNA damageRad53Phase arrestPhosphorylationCheckpointDomainCerevisiaeTranscriptionKinase