2023
Sequence-independent activity of a predicted long disordered segment of the human papillomavirus type 16 L2 capsid protein during virus entry
Oh C, Buckley P, Choi J, Hierro A, DiMaio D. Sequence-independent activity of a predicted long disordered segment of the human papillomavirus type 16 L2 capsid protein during virus entry. Proceedings Of The National Academy Of Sciences Of The United States Of America 2023, 120: e2307721120. PMID: 37819982, PMCID: PMC10589650, DOI: 10.1073/pnas.2307721120.Peer-Reviewed Original ResearchMeSH KeywordsCapsidCapsid ProteinsHeLa CellsHuman Papillomavirus VirusesHumansOncogene Proteins, ViralPapillomavirus InfectionsVirus InternalizationConceptsAmino acid sequenceAcid sequenceProtein segmentsVirus traffickingUnrelated cellular proteinsSequence-independent mannerIntracellular virus traffickingActivity of proteinsAmino acid segmentComplex biological functionsVirus entryTandem arraysProtein functionTrafficking factorsCellular proteinsEndosome membraneBiological functionsHPV16 pseudovirus infectionCellular factorsDiverse sequencesL2 capsid proteins
2022
Human Papillomavirus L2 Capsid Protein Stabilizes γ-Secretase during Viral Infection
Crite M, DiMaio D. Human Papillomavirus L2 Capsid Protein Stabilizes γ-Secretase during Viral Infection. Viruses 2022, 14: 804. PMID: 35458534, PMCID: PMC9027364, DOI: 10.3390/v14040804.Peer-Reviewed Original ResearchMeSH KeywordsAlphapapillomavirusAmyloid Precursor Protein SecretasesCapsid ProteinsHumansOncogene Proteins, ViralPapillomaviridaePapillomavirus InfectionsConceptsTM domainΓ-secretaseVirus traffickingCellular transmembrane proteinsNon-canonical rolePutative TM domainRetrograde transport pathwayΓ-secretase complexSubstrate proteinsMinor capsid protein L2Transmembrane proteinCatalytic subunitMutational studiesEndosomal membranesIntracellular traffickingProtein L2Cellular proteasesCellular factorsL2 capsid proteinsTM mutantsCapsid proteinHPV entryTraffickingL2 proteinProtein
2020
Cell-penetrating peptide inhibits retromer-mediated human papillomavirus trafficking during virus entry
Zhang P, Moreno R, Lambert PF, DiMaio D. Cell-penetrating peptide inhibits retromer-mediated human papillomavirus trafficking during virus entry. Proceedings Of The National Academy Of Sciences Of The United States Of America 2020, 117: 6121-6128. PMID: 32123072, PMCID: PMC7084110, DOI: 10.1073/pnas.1917748117.Peer-Reviewed Original ResearchConceptsEssential protein-protein interactionsCellular protein complexesProtein-protein interactionsIntracellular virus traffickingRetrograde transport pathwaySites of replicationCell-penetrating sequenceProtein complexesCellular proteinsVirus replicationHPV16 pseudovirus infectionVirus traffickingL2 capsid proteinsAspects of infectionCapsid proteinHPV entryViral genomeViral proteinsIncoming virionsViral componentsHuman papillomavirus infectionProteinAntiviral targetDose-dependent blockVirus entry
2018
Cell-Penetrating Peptide Mediates Intracellular Membrane Passage of Human Papillomavirus L2 Protein to Trigger Retrograde Trafficking
Zhang P, da Silva G, Deatherage C, Burd C, DiMaio D. Cell-Penetrating Peptide Mediates Intracellular Membrane Passage of Human Papillomavirus L2 Protein to Trigger Retrograde Trafficking. Cell 2018, 174: 1465-1476.e13. PMID: 30122350, PMCID: PMC6128760, DOI: 10.1016/j.cell.2018.07.031.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceCapsid ProteinsCell-Penetrating PeptidesEndosomesGolgi ApparatusGreen Fluorescent ProteinsHEK293 CellsHeLa CellsHuman papillomavirus 16HumansMutagenesisOncogene Proteins, ViralProtein TransportRecombinant Fusion ProteinsSequence AlignmentVirus AttachmentVirus InternalizationConceptsCell-penetrating peptidesTrans-Golgi networkNormal cell physiologyL2 proteinRetrograde transport pathwayShort protein segmentsHPV L2 proteinTrafficking factorsRetrograde traffickingCationic cell-penetrating peptidesCell physiologyEndosomal membranesProtein segmentsC-terminusBiological roleNon-enveloped virusesRetrograde pathwayL2 capsid proteinsMembrane passageCell penetrating peptideCapsid proteinViral proteinsProteinRetromerTransport pathwaysγ-Secretase promotes membrane insertion of the human papillomavirus L2 capsid protein during virus infection
Inoue T, Zhang P, Zhang W, Goodner-Bingham K, Dupzyk A, DiMaio D, Tsai B. γ-Secretase promotes membrane insertion of the human papillomavirus L2 capsid protein during virus infection. Journal Of Cell Biology 2018, 217: 3545-3559. PMID: 30006461, PMCID: PMC6168257, DOI: 10.1083/jcb.201804171.Peer-Reviewed Original Research
2017
Two transmembrane dimers of the bovine papillomavirus E5 oncoprotein clamp the PDGF β receptor in an active dimeric conformation
Karabadzhak AG, Petti LM, Barrera FN, Edwards APB, Moya-Rodríguez A, Polikanov YS, Freites JA, Tobias DJ, Engelman DM, DiMaio D. Two transmembrane dimers of the bovine papillomavirus E5 oncoprotein clamp the PDGF β receptor in an active dimeric conformation. Proceedings Of The National Academy Of Sciences Of The United States Of America 2017, 114: e7262-e7271. PMID: 28808001, PMCID: PMC5584431, DOI: 10.1073/pnas.1705622114.Peer-Reviewed Original ResearchConceptsTransmembrane domainE5 proteinE5 dimerPlatelet-derived growth factor β receptorGrowth factor β receptorActive dimeric conformationPDGF β-receptorTransmembrane dimerProtein bindsMembrane environmentReceptor dimerizationDimeric conformationAtom molecular dynamics simulationsBiochemical experimentsMouse cellsMolecular mechanismsActive dimerΒ receptorBovine papillomavirusProteinSpecific interactionsMembrane modelingReceptor activationDimerizationComplexes
2015
Direct Binding of Retromer to Human Papillomavirus Type 16 Minor Capsid Protein L2 Mediates Endosome Exit during Viral Infection
Popa A, Zhang W, Harrison MS, Goodner K, Kazakov T, Goodwin EC, Lipovsky A, Burd CG, DiMaio D. Direct Binding of Retromer to Human Papillomavirus Type 16 Minor Capsid Protein L2 Mediates Endosome Exit during Viral Infection. PLOS Pathogens 2015, 11: e1004699. PMID: 25693203, PMCID: PMC4334968, DOI: 10.1371/journal.ppat.1004699.Peer-Reviewed Original ResearchConceptsTrans-Golgi networkRetromer cargoTransmembrane proteinGolgi apparatusDirect bindingCoat protein complexCellular transmembrane proteinsVirus entryMinor capsid proteinCarboxy-terminal segmentProtein complexesL2 minor capsid proteinMinor capsid protein L2Early endosomesVesicular transportRetromerPlasma membraneEndosomal membranesBinding motifProtein L2Capsid proteinEndosomesL2 proteinViral componentsProtein
2001
Mechanisms of cell transformation by papillomavirus E5 proteins
DiMaio D, Mattoon D. Mechanisms of cell transformation by papillomavirus E5 proteins. Oncogene 2001, 20: 7866-7873. PMID: 11753669, DOI: 10.1038/sj.onc.1204915.Peer-Reviewed Original ResearchConceptsE5 proteinBovine papillomavirus E5 proteinCellular signal transduction pathwaysSignal transduction pathwaysLigand-independent fashionGrowth factor receptor activityReceptor tyrosine kinasesTransforming proteinTransduction pathwaysGrowth factor receptorVacuolar ATPaseReceptor dimerizationTyrosine kinaseCell transformationProteinViral transformationBovine papillomavirusFactor receptorUnique mechanismStable complexesNew insightsReceptor activityPathwayReceptorsKinaseInduced senescence in HeLa cervical carcinoma cells containing elevated telomerase activity and extended telomeres.
Goodwin E, DiMaio D. Induced senescence in HeLa cervical carcinoma cells containing elevated telomerase activity and extended telomeres. Molecular Cancer Research 2001, 12: 525-34. PMID: 11714633.Peer-Reviewed Original ResearchConceptsTumor suppressor pathwayHeLa cervical carcinoma cellsExtended telomeresReplicative senescenceHTERT geneSuppressor pathwayTelomerase activityGrowth arrestCervical carcinoma cellsRepression of telomeraseElevated telomerase activitySomatic human cellsNormal somatic human cellsShort telomeresGrowth-arrested stateSenescence-associated beta-galactosidase expressionHPV E6/E7 expressionGrowth-arrested cellsHeLa cell clonesProfound growth arrestRole of telomeraseE6/E7 genesBeta-galactosidase expressionErosion of telomeresCarcinoma cellsIdentification of the transmembrane dimer interface of the bovine papillomavirus E5 protein
Mattoon D, Gupta K, Doyon J, Loll P, DiMaio D. Identification of the transmembrane dimer interface of the bovine papillomavirus E5 protein. Oncogene 2001, 20: 3824-3834. PMID: 11439346, DOI: 10.1038/sj.onc.1204523.Peer-Reviewed Original ResearchConceptsBovine papillomavirus E5 proteinE5 proteinDimer interfacePlatelet-derived growth factor β receptorEssential glutamine residueHeterologous dimerization domainGrowth factor β receptorNon-productive interactionsReceptor tyrosine phosphorylationFocus formation assayPDGF β-receptorDimerization domainHomodimeric proteinTyrosine phosphorylationGenetic methodsGlutamine residuesActive chimerasΒ receptorActive orientationFormation assaysProtein helicesProteinPosition 17ReceptorsPhosphorylation
2000
The platelet-derived growth factor ß receptor as a target of the bovine papillomavirus E5 protein
DiMaio D, Lai C, Mattoon D. The platelet-derived growth factor ß receptor as a target of the bovine papillomavirus E5 protein. Cytokine & Growth Factor Reviews 2000, 11: 283-293. PMID: 10959076, DOI: 10.1016/s1359-6101(00)00012-5.Peer-Reviewed Original ResearchConceptsE5 proteinBovine papillomavirus E5 proteinSH2 domain-containing proteinsCellular signal transduction pathwaysDomain-containing proteinsSignal transduction complexSignal transduction pathwaysLigand-independent fashionGrowth factor receptor activitySpecific transmembraneTransduction complexCytoplasmic domainTransmembrane proteinTransduction pathwaysReceptor dimerizationTyrosine residuesAmino acidsProteinViral transformationDirect interactionBovine papillomavirusUnique mechanismStable complexesComplex formationNew insightsRepression of human papillomavirus oncogenes in HeLa cervical carcinoma cells causes the orderly reactivation of dormant tumor suppressor pathways
Goodwin E, DiMaio D. Repression of human papillomavirus oncogenes in HeLa cervical carcinoma cells causes the orderly reactivation of dormant tumor suppressor pathways. Proceedings Of The National Academy Of Sciences Of The United States Of America 2000, 97: 12513-12518. PMID: 11070078, PMCID: PMC18795, DOI: 10.1073/pnas.97.23.12513.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBovine papillomavirus 1Carrier ProteinsCattleCell Cycle ProteinsCyclin-Dependent Kinase Inhibitor p21CyclinsDNADNA-Binding ProteinsE2F Transcription FactorsFemaleGene Expression Regulation, ViralGenes, Tumor SuppressorHeLa CellsHumansNuclear ProteinsOncogene Proteins, ViralOncogenesPapillomaviridaePapillomavirus E7 ProteinsPhosphoproteinsProteinsProto-Oncogene ProteinsProto-Oncogene Proteins c-mdm2Repressor ProteinsRetinoblastoma ProteinRetinoblastoma-Binding Protein 1Retinoblastoma-Like Protein p107Retinoblastoma-Like Protein p130Signal TransductionTranscription Factor DP1Transcription FactorsTumor Suppressor Protein p53Uterine Cervical NeoplasmsViral ProteinsConceptsTumor suppressor pathwayE6/E7 repressionPosttranscriptional inductionSuppressor pathwayBovine papillomavirus E2 proteinE7 repressionCyclin-dependent kinase activityHeLa cellsE2F-regulated genesE2F-responsive genesRb tumor suppressor pathwayPapillomavirus E2 proteinCell cycle machineryE2 proteinHPV16 E6/E7 genesHeLa cervical carcinoma cellsP53-responsive genesTumor suppressor functionHPV E6Growth inhibitory signalsE6/E7 genesRapid repressionCellular DNA synthesisCycle machineryHuman papillomavirus oncogenesRapid induction of senescence in human cervical carcinoma cells
Goodwin E, Yang E, Lee C, Lee H, DiMaio D, Hwang E. Rapid induction of senescence in human cervical carcinoma cells. Proceedings Of The National Academy Of Sciences Of The United States Of America 2000, 97: 10978-10983. PMID: 11005870, PMCID: PMC27134, DOI: 10.1073/pnas.97.20.10978.Peer-Reviewed Original ResearchConceptsHuman papillomavirus E6Cervical carcinoma cellsCarcinoma cellsPapillomavirus E6Cervical carcinoma cell linesCell cycle regulatory proteinsViral oncogene expressionHuman cervical carcinoma cell lineCarcinoma cell linesCycle regulatory proteinsHuman cervical carcinoma cellsE7 oncogenesE7 proteinTransient alterationsCancer cellsOncogene expressionHuman cancersPhenotypic markersTelomerase activityCell linesRegulatory proteinsRapid inductionSenescence pathwaysCellsE2 regulatory proteinBovine Papillomavirus E5 Protein Induces the Formation of Signal Transduction Complexes Containing Dimeric Activated Platelet-derived Growth Factor β Receptor and Associated Signaling Proteins*
Lai C, Henningson C, DiMaio D. Bovine Papillomavirus E5 Protein Induces the Formation of Signal Transduction Complexes Containing Dimeric Activated Platelet-derived Growth Factor β Receptor and Associated Signaling Proteins*. Journal Of Biological Chemistry 2000, 275: 9832-9840. PMID: 10734138, DOI: 10.1074/jbc.275.13.9832.Peer-Reviewed Original ResearchConceptsBovine papillomavirus E5 proteinE5 proteinPDGF beta receptorBeta receptor complexCellular platelet-derived growth factor (PDGF) beta receptorReceptor complexPlatelet-derived growth factor beta receptorPlatelet-derived growth factor β receptorRas-GTPase activating proteinAssembly of multiproteinSignal transduction complexGrowth factor β receptorGrowth factor beta receptorCell growth transformationTransduction complexBeta receptorsP85 subunitSignaling proteinsPhospholipase CgammaActivating proteinReceptor dimersConstitutive activationInactive receptorProteinReceptor molecules
1999
The Bovine Papillomavirus E5 Protein Requires a Juxtamembrane Negative Charge for Activation of the Platelet-Derived Growth Factor β Receptor and Transformation of C127 Cells
Klein O, Kegler-Ebo D, Su J, Smith S, DiMaio D. The Bovine Papillomavirus E5 Protein Requires a Juxtamembrane Negative Charge for Activation of the Platelet-Derived Growth Factor β Receptor and Transformation of C127 Cells. Journal Of Virology 1999, 73: 3264-3272. PMID: 10074180, PMCID: PMC104090, DOI: 10.1128/jvi.73.4.3264-3272.1999.Peer-Reviewed Original ResearchConceptsPlatelet-derived growth factor beta receptorPDGF beta receptorGrowth factor beta receptorE5 proteinBovine papillomavirus E5 proteinCell transformationHomodimeric transmembrane proteinSustained receptor activationC127 mouse fibroblastsExtracellular juxtamembrane regionBeta receptorsE5 dimerE5 mutantsDouble mutantJuxtamembrane regionTransmembrane proteinC-terminusC127 cellsAcidic residuesE5 geneMutantsPosition 33Mouse fibroblastsProteinSalt bridge
1998
Bovine papillomavirus E5 protein induces oligomerization and trans-phosphorylation of the platelet-derived growth factor β receptor
Lai C, Henningson C, DiMaio D. Bovine papillomavirus E5 protein induces oligomerization and trans-phosphorylation of the platelet-derived growth factor β receptor. Proceedings Of The National Academy Of Sciences Of The United States Of America 1998, 95: 15241-15246. PMID: 9860953, PMCID: PMC28027, DOI: 10.1073/pnas.95.26.15241.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SubstitutionAnimalsBovine papillomavirus 1CattleCell LineCell Line, TransformedCross-Linking ReagentsDimerizationHumansKineticsMacromolecular SubstancesMiceOncogene Proteins, ViralPhosphorylationProtein-Tyrosine KinasesReceptor, Platelet-Derived Growth Factor betaReceptors, Platelet-Derived Growth FactorRecombinant ProteinsSequence DeletionTransfectionConceptsBovine papillomavirus E5 proteinE5 proteinPDGF beta receptorCellular platelet-derived growth factor (PDGF) beta receptorKinase-negative mutant receptorPlatelet-derived growth factor beta receptorPlatelet-derived growth factor β receptorChemical cross-linking experimentsGrowth factor β receptorConstitutive tyrosine phosphorylationGrowth factor beta receptorLigand-independent fashionCross-linking experimentsReceptor tyrosine kinasesStable complexesExtracts of cellsPDGF beta-receptor activationIntramolecular autophosphorylationBeta receptorsCoimmunoprecipitation experimentsTransmembrane proteinReceptor activationTyrosine phosphorylationReceptor dimerizationMutant receptorsStructural models of the bovine papillomavirus E5 protein
Surti T, Klein O, Aschheim K, DiMaio D, Smith S. Structural models of the bovine papillomavirus E5 protein. Proteins Structure Function And Bioinformatics 1998, 33: 601-612. PMID: 9849943, DOI: 10.1002/(sici)1097-0134(19981201)33:4<601::aid-prot12>3.0.co;2-i.Peer-Reviewed Original ResearchConceptsBovine papillomavirus E5 proteinE5 dimerE5 proteinType II integral membrane proteinIntegral membrane proteinsPrevious mutagenesis studiesLigand-independent activationDisulfide-linked homodimerPDGF beta receptorMembrane proteinsTransmembrane orientationMutagenesis studiesMembrane bilayerCell transformationGenetic resultsProteinGln17Receptor moleculesMolecular scaffoldsComplex formationAsp33Computational searchDimerizationDimer structureDimersRole of Glutamine 17 of the Bovine Papillomavirus E5 Protein in Platelet-Derived Growth Factor β Receptor Activation and Cell Transformation
Klein O, Polack G, Surti T, Kegler-Ebo D, Smith S, DiMaio D. Role of Glutamine 17 of the Bovine Papillomavirus E5 Protein in Platelet-Derived Growth Factor β Receptor Activation and Cell Transformation. Journal Of Virology 1998, 72: 8921-8932. PMID: 9765437, PMCID: PMC110309, DOI: 10.1128/jvi.72.11.8921-8932.1998.Peer-Reviewed Original ResearchConceptsBovine papillomavirus E5 proteinPDGF beta receptorE5 proteinTransform cellsCellular platelet-derived growth factor (PDGF) beta receptorAmino acidsBa/F3 hematopoietic cellsPosition 17Cell transformationPlatelet-derived growth factor beta receptorHomodimeric transmembrane proteinReceptor tyrosine phosphorylationGrowth factor beta receptorReceptor tyrosine kinasesPDGF receptor tyrosine kinaseReceptor activationPossible amino acidsBeta receptorsStable complexesComplex formationMutant proteinsTransmembrane domainTransmembrane proteinGrowth factor-beta (TGF-beta) receptor activationTyrosine phosphorylationTransactivation-Competent Bovine Papillomavirus E2 Protein Is Specifically Required for Efficient Repression of Human Papillomavirus Oncogene Expression and for Acute Growth Inhibition of Cervical Carcinoma Cell Lines
Goodwin E, Naeger L, Breiding D, Androphy E, DiMaio D. Transactivation-Competent Bovine Papillomavirus E2 Protein Is Specifically Required for Efficient Repression of Human Papillomavirus Oncogene Expression and for Acute Growth Inhibition of Cervical Carcinoma Cell Lines. Journal Of Virology 1998, 72: 3925-3934. PMID: 9557678, PMCID: PMC109618, DOI: 10.1128/jvi.72.5.3925-3934.1998.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBinding SitesBovine papillomavirus 1CattleCell DivisionCell NucleusCOS CellsDNADNA-Binding ProteinsFemaleGene Expression Regulation, ViralHeLa CellsHumansMutagenesisOncogene Proteins, ViralOncogenesPapillomaviridaeRepressor ProteinsRNA, MessengerRNA, ViralTrans-ActivatorsTranscriptional ActivationTumor Cells, CulturedUterine Cervical NeoplasmsViral ProteinsConceptsPapillomavirus E2 proteinGrowth arrestHT-3 cellsEfficient repressionTransactivation domainE2 proteinHeLa cellsG1/S-phase growth arrestE2 mutantsBovine papillomavirus type 1 E2 proteinBovine papillomavirus E2 proteinHerpes simplex virus VP16Reporter plasmidAcute growth inhibitionE2 transactivation domainGrowth inhibitionCervical carcinoma cell linesBPV1 E2 proteinCarcinoma cell linesHuman papillomavirus oncogene expressionViral DNA replicationPhase growth arrestSequence-specific transactivatorCell linesWild-type p53 gene
1997
Identification of amino acids in the transmembrane and juxtamembrane domains of the platelet-derived growth factor receptor required for productive interaction with the bovine papillomavirus E5 protein
Petti L, Reddy V, Smith S, DiMaio D. Identification of amino acids in the transmembrane and juxtamembrane domains of the platelet-derived growth factor receptor required for productive interaction with the bovine papillomavirus E5 protein. Journal Of Virology 1997, 71: 7318-7327. PMID: 9311809, PMCID: PMC192076, DOI: 10.1128/jvi.71.10.7318-7327.1997.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsBovine papillomavirus 1CattleCell LineCell MembraneErbB ReceptorsHumansInterleukin-3KineticsLeucineLysineMiceMolecular Sequence DataMutagenesis, Site-DirectedOncogene Proteins v-sisOncogene Proteins, ViralPoint MutationPolymerase Chain ReactionProtein Structure, SecondaryRatsReceptor, ErbB-2Receptor, Platelet-Derived Growth Factor betaReceptors, Platelet-Derived Growth FactorReceptors, VirusRecombinant Fusion ProteinsRetroviridae Proteins, OncogenicSequence AlignmentThreonineTransfectionConceptsBovine papillomavirus E5 proteinE5 proteinTransmembrane domainPDGF beta receptorAmino acidsCellular platelet-derived growth factor (PDGF) beta receptorReceptor mutantsJuxtamembrane domainPlatelet-derived growth factor beta receptorPutative transmembrane domainsMurine Ba/F3 cellsCarboxyl-terminal domainBa/F3 cellsV-sisReceptor tyrosine phosphorylationExtracellular juxtamembrane domainGrowth factor beta receptorSpecific amino acidsProductive interactionReceptor activationPlatelet-derived growth factor receptorAcidic amino acidsComplex formationThreonine residuesBeta receptors