2020
Chaperonin-assisted protein folding: a chronologue
Horwich AL, Fenton WA. Chaperonin-assisted protein folding: a chronologue. Quarterly Reviews Of Biophysics 2020, 53: e4. PMID: 32070442, DOI: 10.1017/s0033583519000143.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateAmino AcidsAnimalsCarbon DioxideChaperoninsCytosolDimerizationHeat-Shock ProteinsHumansHydrophobic and Hydrophilic InteractionsKineticsMiceMitochondriaMutationNeurosporaProtein ConformationProtein DenaturationProtein FoldingRibonuclease, PancreaticRibulose-Bisphosphate CarboxylaseSurface PropertiesTemperature
2019
Hsp110 mitigates α-synuclein pathology in vivo
Taguchi YV, Gorenberg EL, Nagy M, Thrasher D, Fenton WA, Volpicelli-Daley L, Horwich AL, Chandra SS. Hsp110 mitigates α-synuclein pathology in vivo. Proceedings Of The National Academy Of Sciences Of The United States Of America 2019, 116: 24310-24316. PMID: 31685606, PMCID: PMC6883785, DOI: 10.1073/pnas.1903268116.Peer-Reviewed Original ResearchConceptsΑ-synuclein pathologyOverexpression of Hsp110Α-synuclein aggregationPresynaptic protein α-synucleinΑ-synuclein seedsΑ-synuclein oligomersLewy bodiesMouse modelParkinson's diseaseCell culture modelSynaptic proteomeΑ-synucleinProtein α-synucleinPathologyCulture modelDiseaseMammalian cell culture modelsProtein changesOverexpressionVivoHsp110Molecular facilitatorsMiceUnbiased analysisBrain
2017
Transfer of pathogenic and nonpathogenic cytosolic proteins between spinal cord motor neurons in vivo in chimeric mice
Thomas EV, Fenton WA, McGrath J, Horwich AL. Transfer of pathogenic and nonpathogenic cytosolic proteins between spinal cord motor neurons in vivo in chimeric mice. Proceedings Of The National Academy Of Sciences Of The United States Of America 2017, 114: e3139-e3148. PMID: 28348221, PMCID: PMC5393223, DOI: 10.1073/pnas.1701465114.Peer-Reviewed Original ResearchConceptsMotor neuronsChimeric miceSpinal cord motor neuronsCranial nerve motor nucleiDouble fluorescenceMammalian nervous systemMo of ageGray matter oligodendrocytesCytosolic proteinsExtraocular nucleiMotor nucleusSpinal cordNervous systemNeuronsMiceSuperoxide dismutase 1 proteinEight-cell embryosPathogenic proteinsOligodendrocytesDismutase 1 proteinThird chimeraChimeric progenyRecent studiesEGFP chimerasCells
1998
Maturation of Human Cyclin E Requires the Function of Eukaryotic Chaperonin CCT
Won K, Schumacher R, Farr G, Horwich A, Reed S. Maturation of Human Cyclin E Requires the Function of Eukaryotic Chaperonin CCT. Molecular And Cellular Biology 1998, 18: 7584-7589. PMID: 9819444, PMCID: PMC109339, DOI: 10.1128/mcb.18.12.7584.Peer-Reviewed Original ResearchConceptsHuman cyclin EChaperonin CCTCyclin EEukaryotic cytosolic chaperonin CCTCytosolic chaperonin CCTEukaryotic chaperonin CCTLarge oligomeric assembliesYeast-based screenG1/S phase transitionCyclin-dependent kinase CDK2ATP-dependent processS phase transitionCCT complexPresence of ATPProteasomal actionCCT functionHuman proteinsKinase CDK2Oligomeric assembliesHuman cellsNative stateCDK2ProteinMaturationBiogenesisThe Hsp70 and Hsp60 Chaperone Machines
Bukau B, Horwich A. The Hsp70 and Hsp60 Chaperone Machines. Cell 1998, 92: 351-366. PMID: 9476895, DOI: 10.1016/s0092-8674(00)80928-9.Peer-Reviewed Original Research
1997
Chaperonin-Mediated Folding in the Eukaryotic Cytosol Proceeds through Rounds of Release of Native and Nonnative Forms
Farr G, Scharl E, Schumacher R, Sondek S, Horwich A. Chaperonin-Mediated Folding in the Eukaryotic Cytosol Proceeds through Rounds of Release of Native and Nonnative Forms. Cell 1997, 89: 927-937. PMID: 9200611, DOI: 10.1016/s0092-8674(00)80278-0.Peer-Reviewed Original ResearchConceptsRounds of releaseSubstrate proteinsNonnative formsNative formChaperonin-mediated foldingEukaryotic cytosolic chaperoninATP-dependent foldingIntact Xenopus oocytesCytosolic chaperoninBacterial chaperoninsEukaryotic cytosolChaperoninNative stateXenopus oocytesEssential roleSingle roundFoldingProteinActinTubulinOverall mechanismGroELTransducinCytosolSmall fractionDeadly Conformations—Protein Misfolding in Prion Disease
Horwich A, Weissman J. Deadly Conformations—Protein Misfolding in Prion Disease. Cell 1997, 89: 499-510. PMID: 9160742, DOI: 10.1016/s0092-8674(00)80232-9.Peer-Reviewed Original ResearchNative-like structure of a protein-folding intermediate bound to the chaperonin GroEL
Goldberg M, Zhang J, Sondek S, Matthews C, Fox R, Horwich A. Native-like structure of a protein-folding intermediate bound to the chaperonin GroEL. Proceedings Of The National Academy Of Sciences Of The United States Of America 1997, 94: 1080-1085. PMID: 9037009, PMCID: PMC19747, DOI: 10.1073/pnas.94.4.1080.Peer-Reviewed Original ResearchConceptsNative-like structureChaperonin GroELDihydrofolate reductaseProtein-folding intermediatesNative dihydrofolate reductaseStopped-flow fluorescence experimentsNonnative proteinsSubstrate proteinsProductive foldingPresence of ATPHuman dihydrofolate reductaseHydrogen-deuterium exchangeGroELPrimary structureProteinCentral channelHydrophobic interactionsFluorescence experimentsGroESFoldingSpeciesReductaseNMR spectroscopyDistant partsATP
1994
A carboxy-terminal deletion impairs the assembly of GroEL and confers a pleiotropic phenotype in Escherichia coli K-12
Burnett B, Horwich A, Low K. A carboxy-terminal deletion impairs the assembly of GroEL and confers a pleiotropic phenotype in Escherichia coli K-12. Journal Of Bacteriology 1994, 176: 6980-6985. PMID: 7961461, PMCID: PMC197070, DOI: 10.1128/jb.176.22.6980-6985.1994.Peer-Reviewed Original ResearchHeat shock proteins and molecular chaperones: Mediators of protein conformation and turnover in the cell
Craig E, Weissman J, Horwich A. Heat shock proteins and molecular chaperones: Mediators of protein conformation and turnover in the cell. Cell 1994, 78: 365-372. PMID: 7914834, DOI: 10.1016/0092-8674(94)90416-2.Peer-Reviewed Original Research
1993
Short‐term response to dietary therapy in molybdenum cofactor deficiency
Boles R, Ment L, Meyn M, Horwich A, Kratz L, Rinaldo P. Short‐term response to dietary therapy in molybdenum cofactor deficiency. Annals Of Neurology 1993, 34: 742-744. PMID: 7694543, DOI: 10.1002/ana.410340520.Peer-Reviewed Original ResearchConceptsMolybdenum cofactor deficiencyCofactor deficiencyShort-term clinical improvementDietary methionine restrictionUrinary sulphiteClinical relapseClinical improvementLaboratory featuresDietary therapySevere irritabilityLactic acidosisHead growthMethionine restrictionDevelopmental delayCysteine supplementationCommercial dipstickTherapyIrritabilityDeficiencyDevelopmental progressRelapseHypouricemiaAcidosisInfantsMicrocephaly
1991
Inherited Hepatic Enzyme Defects as Candidates for Liver-Directed Gene Therapy
Horwich A. Inherited Hepatic Enzyme Defects as Candidates for Liver-Directed Gene Therapy. Current Topics In Microbiology And Immunology 1991, 168: 185-200. PMID: 1893777, DOI: 10.1007/978-3-642-76015-0_9.Peer-Reviewed Original ResearchMitochondrial protein import.
Horwich A, Cheng M, West A, Pollock R. Mitochondrial protein import. Current Topics In Microbiology And Immunology 1991, 170: 1-42. PMID: 1760928, DOI: 10.1007/978-3-642-76389-2_1.Peer-Reviewed Original ResearchConceptsMitochondrial protein import pathwayProtein import pathwayPrecise molecular functionConformational alterationsImport pathwayMolecular functionsStep of recognitionMembrane translocationProteolytic cleavageProteinTranslocationDynamic picturePowerful toolGeneticsAlterationsPathwayBiochemistryCleavageCritical features
1990
THE EFFECTS OF EARLY TREATMENT OF HEREDITARY TYROSINEMIA TYPE I IN INFANCY BY ORTHOTOPIC LIVER TRANSPLANTATION
Flye M, RIELY C, HAINLINE B, SASSA S, GUSBERG R, BLAKEMORE K, BARWICK K, HORWICH A. THE EFFECTS OF EARLY TREATMENT OF HEREDITARY TYROSINEMIA TYPE I IN INFANCY BY ORTHOTOPIC LIVER TRANSPLANTATION. Transplantation 1990, 49: 916-921. PMID: 2336709, DOI: 10.1097/00007890-199005000-00017.Peer-Reviewed Original ResearchConceptsOrthotopic liver transplantationLiver transplantationMedical therapyHereditary tyrosinemiaEarly liver transplantationMinimal perioperative complicationsWeeks of ageTyrosinemia type IPerioperative complicationsRapid institutionPoor prognosisNormal dietEarly treatmentMetabolic disordersTransplantationPrompt clearanceAbnormal metabolitesHydrolase deficiencyInfantsMental alertnessProgressive growthTherapyType ITyrosinemiaBiochemical responsesSynthesis of hepadnavirus particles that contain replication-defective duck hepatitis B virus genomes in cultured HuH7 cells
Horwich A, Furtak K, Pugh J, Summers J. Synthesis of hepadnavirus particles that contain replication-defective duck hepatitis B virus genomes in cultured HuH7 cells. Journal Of Virology 1990, 64: 642-650. PMID: 2153230, PMCID: PMC249155, DOI: 10.1128/jvi.64.2.642-650.1990.Peer-Reviewed Original ResearchConceptsHepatitis B virus genomeDirect repeat 1Duck hepatitis B virus genomesInfectious virusViral DNA synthesisVirus antigen productionCore antigenDNA-containing viral particlesHepatoma cell line Huh7Human hepatoma cell line Huh7Cultured Huh7 cellsDNA synthesisVirus genomeAntigen productionHuh7 cellsEnvelope proteinViral particlesLoss of abilityViral DNA
1989
Protein folding in mitochondria requires complex formation with hsp60 and ATP hydrolysis
Ostermann J, Horwich A, Neupert W, Hartl F. Protein folding in mitochondria requires complex formation with hsp60 and ATP hydrolysis. Nature 1989, 341: 125-130. PMID: 2528694, DOI: 10.1038/341125a0.Peer-Reviewed Original Research
1988
Trisomy 18 associated with ectopia cordis and occipital meningocele
Bick D, Markowitz R, Horwich A, Opitz J, Reynolds J. Trisomy 18 associated with ectopia cordis and occipital meningocele. American Journal Of Medical Genetics 1988, 30: 805-810. PMID: 3189399, DOI: 10.1002/ajmg.1320300313.Peer-Reviewed Original ResearchMeiotic expression of human ornithine transcarbamylase in the testes of transgenic mice.
Kelley K, Chamberlain J, Nolan J, Horwich A, Kalousek F, Eisenstadt J, Herrup K, Rosenberg L. Meiotic expression of human ornithine transcarbamylase in the testes of transgenic mice. Molecular And Cellular Biology 1988, 8: 1821-1825. PMID: 2837657, PMCID: PMC363346, DOI: 10.1128/mcb.8.4.1821.Peer-Reviewed Original ResearchConceptsHuman ornithine transcarbamylaseFusion geneBase pairsProtein-coding sequencesMale germ cellsOrnithine transcarbamylaseMeiotic expressionRegulatory sequencesRegulatory regionsTransgenic micePachytene stageMouse metallothioneinTransgenic animalsGerm cellsGenesKilobasesTransgene expressionSequenceExpressionTranscarbamylaseMeiosisTetraploid
1987
Import and processing of human ornithine transcarbamoylase precursor by mitochondria from Saccharomyces cerevisiae.
Cheng M, Pollock R, Hendrick J, Horwich A. Import and processing of human ornithine transcarbamoylase precursor by mitochondria from Saccharomyces cerevisiae. Proceedings Of The National Academy Of Sciences Of The United States Of America 1987, 84: 4063-4067. PMID: 3295876, PMCID: PMC305022, DOI: 10.1073/pnas.84.12.4063.Peer-Reviewed Original ResearchConceptsMitochondrial membraneEnzymatic activityNH2-terminal leader peptideMitochondrial matrix fractionWild-type precursorS. cerevisiae strainMitochondrial importMammalian mitochondriaMature subunitSubunit precursorOperon promoterS. cerevisiaeSelective growth conditionsLeader peptideYeast cellsArtificial mutationsOTCase activityMatrix fractionOrnithine transcarbamoylaseCerevisiae strainSaccharomycesGrowth conditionsMatrix compartmentMitochondriaSubunits
1986
Targeting of Nuclear‐Encoded Proteins to the Mitochondrial Matrix: Implications for Human Genetic Defects
ROSENBERG L, FENTON W, HORWICH A, KALOUSEK F, KRAUS J. Targeting of Nuclear‐Encoded Proteins to the Mitochondrial Matrix: Implications for Human Genetic Defects. Annals Of The New York Academy Of Sciences 1986, 488: 99-108. PMID: 3472484, DOI: 10.1111/j.1749-6632.1986.tb54396.x.Peer-Reviewed Original Research