2023
Cellular protection from H2O2 toxicity by Fv-Hsp70: protection via catalase and gamma-glutamyl-cysteine synthase
Hino C, Chan G, Jordaan G, Chang S, Saunders J, Bashir M, Hansen J, Gera J, Weisbart R, Nishimura R. Cellular protection from H2O2 toxicity by Fv-Hsp70: protection via catalase and gamma-glutamyl-cysteine synthase. Cell Stress And Chaperones 2023, 28: 429-439. PMID: 37171750, PMCID: PMC10352194, DOI: 10.1007/s12192-023-01349-6.Peer-Reviewed Original ResearchConceptsHeat shock proteinsGamma-glutamylcysteine synthaseCellular protectionAcute oxidative stressLid domainProtein-binding domainsATPase domainCysteine synthaseOxidative stressCellular stressRecombinant proteinsSH-SY5Y cellsEndogenous heat shock proteinsShock proteinsCell deathProteinProtein catalaseHSP70H2O2 toxicityCellsSynthaseΜM concentrationsDomainCatalaseDirect response
2015
Optimizing a Lupus Autoantibody for Targeted Cancer Therapy
Noble PW, Chan G, Young MR, Weisbart RH, Hansen JE. Optimizing a Lupus Autoantibody for Targeted Cancer Therapy. Cancer Research 2015, 75: 2285-2291. PMID: 25832653, DOI: 10.1158/0008-5472.can-14-2278.Peer-Reviewed Original Research
2014
A nucleolytic lupus autoantibody is toxic to BRCA2-deficient cancer cells
Noble PW, Young MR, Bernatsky S, Weisbart RH, Hansen JE. A nucleolytic lupus autoantibody is toxic to BRCA2-deficient cancer cells. Scientific Reports 2014, 4: 5958. PMID: 25091037, PMCID: PMC5380011, DOI: 10.1038/srep05958.Peer-Reviewed Original ResearchConceptsLupus autoantibodiesTherapeutic agentsCancer cellsSystemic lupus erythematosusBRCA2-deficient cellsLupus erythematosusBRCA2-deficient cancer cellsDLD1 colon cancer cellsColon cancer cellsSuch antibodiesLower riskAutoantibodiesSpecific cancersAntibodiesMalignancyDifferential effectsToxic effectsPotential utilityCellsAgentsFurther supportDNA-damaging agentsErythematosusTherapyCancer
2007
Intranuclear Protein Transduction through a Nucleoside Salvage Pathway*
Hansen JE, Tse CM, Chan G, Heinze ER, Nishimura RN, Weisbart RH. Intranuclear Protein Transduction through a Nucleoside Salvage Pathway*. Journal Of Biological Chemistry 2007, 282: 20790-20793. PMID: 17525162, DOI: 10.1074/jbc.c700090200.Peer-Reviewed Original ResearchConceptsNucleoside salvage pathwaySalvage pathwaySpecific nuclear localizationCargo proteinsGene regulationMolecular delivery vehiclesProtein transportProtein transductionTranscription factorsNuclear localizationGene expressionNuclear membraneHuman diseasesLiving cellsCell nucleiCell membraneNew molecular therapiesNumerous diseasesPathwayTransductionCellsRegulationMolecular therapyFirst demonstrationNew avenues
2006
Antibody-mediated Hsp70 protein therapy
Hansen JE, Sohn W, Kim C, Chang SS, Huang NC, Santos DG, Chan G, Weisbart RH, Nishimura RN. Antibody-mediated Hsp70 protein therapy. Brain Research 2006, 1088: 187-196. PMID: 16630585, DOI: 10.1016/j.brainres.2006.03.025.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnimals, NewbornBlotting, WesternCell SurvivalCells, CulturedCerebral CortexChlorocebus aethiopsDose-Response Relationship, DrugHSP70 Heat-Shock ProteinsHumansHydrogen PeroxideImmunoglobulin Variable RegionNeuronsOxidantsProtein TransportRatsRats, WistarRecombinant Fusion ProteinsTransduction, GeneticTransfectionConceptsPrimary rat cortical neuronsRat cortical neuronsCortical neuronsIntracellular HSP70 levelsCOS-7 cellsSingle-chain Fv fragmentAnti-DNA antibodiesProtein therapyIntracellular HSP70Stressful stimuliFv fragmentMAb 3E10Hsp70 levelsNeuronsTherapyProtein transduction domainSubsequent exposureCellsHuman diseasesNovel protein transduction domainFirst evidenceTransduction domainLiving cellsHSP70Fusion protein
2005
Antibody Mediated Transduction of Therapeutic Proteins into Living Cells
Hansen JE, Weisbart RH, Nishimura RN. Antibody Mediated Transduction of Therapeutic Proteins into Living Cells. The Scientific World JOURNAL 2005, 5: 782-788. PMID: 16170440, PMCID: PMC5936519, DOI: 10.1100/tsw.2005.98.Commentaries, Editorials and LettersMeSH KeywordsAnimalsAutoantibodiesBiological Transport, ActiveCells, CulturedDrug Delivery SystemsEndocytosisGene Products, tatHIV-1HumansImmunoglobulin FragmentsLymphokinesMicePeptide FragmentsProtein TransportProteinsSialoglycoproteinsSignal TransductionTat Gene Products, Human Immunodeficiency VirusConceptsProtein transduction domainTransduction domainNovel protein transduction domainTherapeutic proteinsReceptor-mediated endocytosisSuch proteinsHIV-1 Tat proteinCell-penetrating peptidesMAb 3E10Active proteinLiving cellsCell membraneProteinTat proteinProtein therapyCellsSingle-chain fragmentTherapeutic peptidesRecent studiesFv fragmentDomainFragmentsDirect deliveryEndocytosisTransduction
2004
Antibody-mediated transduction of p53 selectively kills cancer cells.
Weisbart RH, Hansen JE, Chan G, Wakelin R, Chang SS, Heinze E, Miller CW, Koeffler PH, Yang F, Cole GM, Min YS, Nishimura RN. Antibody-mediated transduction of p53 selectively kills cancer cells. International Journal Of Oncology 2004, 25: 1867-73. PMID: 15547728, DOI: 10.3892/ijo.25.6.1867.Peer-Reviewed Original ResearchConceptsCancer cellsWild-type p53Expression of MDM2Cancer cell linesTransduction of p53Potential efficacyCertain cancersNon-specific toxicityFunctional defectsHuman cancersP53Cell linesCancerResult of mutationsGene therapyPrimary cellsViral vectorsCellsVivoNuclear exclusionTherapyFusion proteinFv fragmentProtein transductionAntibodies