2022
p97/UBXD1 Generate Ubiquitylated Proteins That Are Sequestered into Nuclear Envelope Herniations in Torsin-Deficient Cells
Prophet SM, Naughton BS, Schlieker C. p97/UBXD1 Generate Ubiquitylated Proteins That Are Sequestered into Nuclear Envelope Herniations in Torsin-Deficient Cells. International Journal Of Molecular Sciences 2022, 23: 4627. PMID: 35563018, PMCID: PMC9100061, DOI: 10.3390/ijms23094627.Peer-Reviewed Original ResearchConceptsUbiquitylated proteinsNuclear pore complex assemblyPore complex assemblyNuclear envelope herniationsP97-dependent mannerP97 activityFG nucleoporinsComplex assemblyATPase deficiencyFG-NupsHeat shockHallmark phenotypeDYT1 dystoniaProteinAberrant depositionP97Therapeutic developmentDisease modelsUBXD1UbiquitylationBlebsK48UbiquitinHeterodimersUnexplored potential
2020
Torsin ATPase deficiency leads to defects in nuclear pore biogenesis and sequestration of MLF2
Rampello AJ, Laudermilch E, Vishnoi N, Prophet SM, Shao L, Zhao C, Lusk CP, Schlieker C. Torsin ATPase deficiency leads to defects in nuclear pore biogenesis and sequestration of MLF2. Journal Of Cell Biology 2020, 219: e201910185. PMID: 32342107, PMCID: PMC7265317, DOI: 10.1083/jcb.201910185.Peer-Reviewed Original ResearchConceptsNuclear pore biogenesisMyeloid leukemia factor 2FG nucleoporinsNuclear pore complex biogenesisNuclear envelope herniationsNuclear envelope reformationLive cell imaging platformProteomics-based approachNuclear envelope blebbingComplex biogenesisBleb formationUbiquitin conjugationNuclear envelopeATPase deficiencyBiogenesisHallmark phenotypePhenotypic hallmarksPOM121Factor 2Late markersLuminal componentsNup358CellsUbiquitinBlebbingThe Role of Torsin AAA+ Proteins in Preserving Nuclear Envelope Integrity and Safeguarding Against Disease
Rampello AJ, Prophet SM, Schlieker C. The Role of Torsin AAA+ Proteins in Preserving Nuclear Envelope Integrity and Safeguarding Against Disease. Biomolecules 2020, 10: 468. PMID: 32204310, PMCID: PMC7175109, DOI: 10.3390/biom10030468.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsDystoniaEndoplasmic ReticulumHSC70 Heat-Shock ProteinsHumansMolecular ChaperonesNuclear EnvelopeConceptsNuclear envelopeNuclear pore complex biogenesisEssential cellular processesNormal cellular physiologyNuclear envelope integrityDistinct subcellular localizationEndoplasmic reticulum networkCellular lipid metabolismTorsin ATPasesComplex biogenesisEnvelope integrityRegulatory cofactorsCellular physiologyCellular processesLuminal domainSubcellular localizationConsiderable medical importancePhenotypic consequencesCofactor assemblyTorsinsNE defectsATP hydrolysisReticulum networkDiverse processesPolypeptide 1
2017
Dynamic functional assembly of the Torsin AAA+ ATPase and its modulation by LAP1
Chase AR, Laudermilch E, Wang J, Shigematsu H, Yokoyama T, Schlieker C. Dynamic functional assembly of the Torsin AAA+ ATPase and its modulation by LAP1. Molecular Biology Of The Cell 2017, 28: 2765-2772. PMID: 28814508, PMCID: PMC5638581, DOI: 10.1091/mbc.e17-05-0281.Peer-Reviewed Original Research
2016
Dissecting Torsin/cofactor function at the nuclear envelope: a genetic study
Laudermilch E, Tsai PL, Graham M, Turner E, Zhao C, Schlieker C. Dissecting Torsin/cofactor function at the nuclear envelope: a genetic study. Molecular Biology Of The Cell 2016, 27: 3964-3971. PMID: 27798237, PMCID: PMC5156537, DOI: 10.1091/mbc.e16-07-0511.Peer-Reviewed Original ResearchConceptsTorsin ATPasesNuclear envelopeNuclear pore complex biogenesisComplex biogenesisRegulatory cofactorsValuable experimental platformHuman genomeCRISPR/Observed phenotypeGenetic studiesFunctional linkATPasesCofactor functionElectron microscopy tomographyImmunogold labelingPhenotypic measuresCell linesCofactor systemBleb structuresBleb formationTOR2ANucleoporinsLULL1BiogenesisGenomeSite-specific Proteolysis Mobilizes TorsinA from the Membrane of the Endoplasmic Reticulum (ER) in Response to ER Stress and B Cell Stimulation*
Zhao C, Brown RS, Tang CH, Hu CC, Schlieker C. Site-specific Proteolysis Mobilizes TorsinA from the Membrane of the Endoplasmic Reticulum (ER) in Response to ER Stress and B Cell Stimulation*. Journal Of Biological Chemistry 2016, 291: 9469-9481. PMID: 26953341, PMCID: PMC4850287, DOI: 10.1074/jbc.m115.709337.Peer-Reviewed Original ResearchConceptsEndoplasmic reticulumER stressN-terminal hydrophobic domainHydrophobic domainPrimary cellsPharmacological inhibition profileCell-permeable inhibitorProteolytic cleavage eventsMembrane-associated proteasesTorsin ATPasesATPase familyER membraneDistinct organismsGenetic manipulationCysteine residuesNuclear envelopeCleavage eventsCleavage siteOnly representativeTorsinACell linesReticulumCell stimulationProteaseCells
2015
The Torsin Activator LULL1 Is Required for Efficient Growth of Herpes Simplex Virus 1
Turner EM, Brown RS, Laudermilch E, Tsai PL, Schlieker C. The Torsin Activator LULL1 Is Required for Efficient Growth of Herpes Simplex Virus 1. Journal Of Virology 2015, 89: 8444-8452. PMID: 26041288, PMCID: PMC4524217, DOI: 10.1128/jvi.01143-15.Peer-Reviewed Original ResearchConceptsNuclear egressDouble knockout cell linesNuclear envelope dynamicsType II transmembrane proteinHerpes simplex virus 1HSV-1 nuclear egressKnockout cell linesSimplex virus 1Viral protein productionAAA ringGenome engineeringTransmembrane proteinLULL1CRISPR/Virus 1Unexpected roleProtein productionComprehensive geneticPhenotypic analysisHost cellsViral genomeEnvelope dynamicsEfficient growthCell linesHSV-1 production
2014
The mechanism of Torsin ATPase activation
Brown RS, Zhao C, Chase AR, Wang J, Schlieker C. The mechanism of Torsin ATPase activation. Proceedings Of The National Academy Of Sciences Of The United States Of America 2014, 111: e4822-e4831. PMID: 25352667, PMCID: PMC4234599, DOI: 10.1073/pnas.1415271111.Peer-Reviewed Original Research
2013
Arresting a Torsin ATPase Reshapes the Endoplasmic Reticulum*
Rose AE, Zhao C, Turner EM, Steyer AM, Schlieker C. Arresting a Torsin ATPase Reshapes the Endoplasmic Reticulum*. Journal Of Biological Chemistry 2013, 289: 552-564. PMID: 24275647, PMCID: PMC3879577, DOI: 10.1074/jbc.m113.515791.Peer-Reviewed Original ResearchRegulation of Torsin ATPases by LAP1 and LULL1
Zhao C, Brown RS, Chase AR, Eisele MR, Schlieker C. Regulation of Torsin ATPases by LAP1 and LULL1. Proceedings Of The National Academy Of Sciences Of The United States Of America 2013, 110: e1545-e1554. PMID: 23569223, PMCID: PMC3637692, DOI: 10.1073/pnas.1300676110.Peer-Reviewed Original ResearchConceptsType II transmembrane proteinATP-bound stateTorsin ATPasesActivator functionLuminal domainTransmembrane proteinATP hydrolysisNuclear envelopeLULL1Endoplasmic reticulumAutosomal dominant movement disorderTorsinALAP1Activation mechanismATPase activityDistinct fashionFunction mechanismCongenital disorderMutantsATPasesCofactorProteinReticulumATPaseRegulation
2011
Enzymatic Blockade of the Ubiquitin-Proteasome Pathway
Ernst R, Claessen JH, Mueller B, Sanyal S, Spooner E, van der Veen AG, Kirak O, Schlieker CD, Weihofen WA, Ploegh HL. Enzymatic Blockade of the Ubiquitin-Proteasome Pathway. PLOS Biology 2011, 8: e1000605. PMID: 21468303, PMCID: PMC3066133, DOI: 10.1371/journal.pbio.1000605.Peer-Reviewed Original Research