1999
HTLV-I-Infected T Cells Evade the Antiproliferative Action of IFN-β
Smith D, Buckle G, Hafler D, Frank D, Höllsberg P. HTLV-I-Infected T Cells Evade the Antiproliferative Action of IFN-β. Virology 1999, 257: 314-321. PMID: 10329542, DOI: 10.1006/viro.1999.9679.Peer-Reviewed Original ResearchConceptsT cell clonesIFN-betaT cellsAntiproliferative actionHuman T-cell lymphotropic virus type IMyelopathy/tropical spastic paraparesisLymphotropic virus type INormal immunoregulatory mechanismsInnate immune defense mechanismsHost T cellsExogenous IL-2Tropical spastic paraparesisT cell proliferationImmune defense mechanismsVirus type IT cell activationPathogenesis of HTLVImmunoregulatory mechanismsSpastic paraparesisIL-2Phosphorylation of STAT1IFN-gammaViral infectionHigh dosesHTLVDirect analysis of viral-specific CD8+ T cells with soluble HLA-A2/Tax11-19 tetramer complexes in patients with human T cell lymphotropic virus-associated myelopathy.
Bieganowska K, Höllsberg P, Buckle G, Lim D, Greten T, Schneck J, Altman J, Jacobson S, Ledis S, Hanchard B, Chin J, Morgan O, Roth P, Hafler D. Direct analysis of viral-specific CD8+ T cells with soluble HLA-A2/Tax11-19 tetramer complexes in patients with human T cell lymphotropic virus-associated myelopathy. The Journal Of Immunology 1999, 162: 1765-71. PMID: 9973440, DOI: 10.4049/jimmunol.162.3.1765.Peer-Reviewed Original ResearchMeSH KeywordsAdultB7-1 AntigenCD28 AntigensCD8-Positive T-LymphocytesFemaleGene Products, taxHLA-A2 AntigenHuman T-lymphotropic virus 1HumansLymphocyte ActivationMaleMiddle AgedParaparesis, Tropical SpasticPeptide FragmentsPhenotypeProtein ConformationReceptors, Antigen, T-Cell, alpha-betaReceptors, ChemokineReceptors, Interleukin-2SolubilityConceptsT cellsIL-2RMHC class I tetramersHuman T-cell lymphotropic virusViral-specific CD8Class I tetramersProgressive neurologic diseaseDifferent chemokine receptorsHLA-A2 alleleCentral nervous systemTCR Vbeta chainsReactive CD8TCR usageInflammatory infiltrateVbeta chainsChemokine receptorsNeurologic diseaseImmune responseCD8Lymphotropic virusMyelopathyNervous systemPatientsHTLVClonal expansion
1997
Variable Immortalizing Potential and Frequent Virus Latency in Blood-Derived T-Cell Clones Infected With Human T-Cell Leukemia Virus Type I
Richardson JH, Höllsberg P, Windhagen A, Child LA, Hafler DA, Lever A. Variable Immortalizing Potential and Frequent Virus Latency in Blood-Derived T-Cell Clones Infected With Human T-Cell Leukemia Virus Type I. Blood 1997, 89: 3303-3314. PMID: 9129036, DOI: 10.1182/blood.v89.9.3303.Peer-Reviewed Original ResearchConceptsT cell clonesHuman T-cell leukemia virus type IVirus type IT cellsSpontaneous proliferationFresh peripheral blood lymphocytesGag p24 productionCD4 T cellsInfected cellsPeripheral blood lymphocytesHTLV-I provirusViral mRNA expressionType IP24 productionVirus-cell interactionsIL-6Virus carriersInterleukin-6Blood lymphocytesHost cell factorsCytokine mRNAVirus latencyVirus-producing clonesHTLVMRNA expression
1996
HTLV-I-induced T-cell activation.
Buckle GJ, Hafler DA, Höllsberg P. HTLV-I-induced T-cell activation. JAIDS Journal Of Acquired Immune Deficiency Syndromes 1996, 13 Suppl 1: s107-13. PMID: 8797712, DOI: 10.1097/00042560-199600001-00018.Peer-Reviewed Original ResearchConceptsT cell activationT cellsUninfected T cellsT cell interactionsMyelopathy/tropical spastic paraparesisHuman T-cell lymphotropic virus type ILymphotropic virus type ITropical spastic paraparesisInfected T cellsT cell clonesIL-2 productionInterleukin-2 productionVirus type ISpastic paraparesisSpontaneous proliferationCD28 pathwayGeneralized activationCostimulatory signalsImmune systemSeparate mechanismsHTLVProlonged stateType IActivationCells
1994
Human T cell lymphotropic virus type I-induced T cell activation. Resistance to TGF-beta 1-induced suppression.
Höllsberg P, Ausubel LJ, Hafler DA. Human T cell lymphotropic virus type I-induced T cell activation. Resistance to TGF-beta 1-induced suppression. The Journal Of Immunology 1994, 153: 566-73. PMID: 8021495, DOI: 10.4049/jimmunol.153.2.566.Peer-Reviewed Original ResearchConceptsT cell clonesT cell activationHuman T-cell lymphotropic virus type ILymphotropic virus type IVirus type ICell activationCell clonesT cellsCD3/TCR complexHTLV-I myelopathyT cell proliferationType IImmune regulationHTLVHyperphosphorylation of pRbProductive infectionCell cycle progressionCell proliferationTCR complexPatientsG1 phaseInfectionSingle cell cloningCycle progressionActivation
1992
Characterization of HTLV-I in vivo infected T cell clones. IL-2-independent growth of nontransformed T cells.
Höllsberg P, Wucherpfennig KW, Ausubel LJ, Calvo V, Bierer BE, Hafler DA. Characterization of HTLV-I in vivo infected T cell clones. IL-2-independent growth of nontransformed T cells. The Journal Of Immunology 1992, 148: 3256-63. PMID: 1374452, DOI: 10.4049/jimmunol.148.10.3256.Peer-Reviewed Original ResearchMeSH KeywordsAntibodies, MonoclonalAntigens, Differentiation, T-LymphocyteBase SequenceCD3 ComplexClone CellsCyclosporineHTLV-I InfectionsHumansInterleukin-2Lymphocyte ActivationMolecular Sequence DataPolyenesReceptors, Antigen, T-CellReceptors, Interleukin-2RNA, MessengerSirolimusTacrolimusT-LymphocytesConceptsT cell clonesClonal proliferationCell clonesIL-2 receptor signalLymphotrophic virus type ICharacterization of HTLVInfected T cell clonesHTLV-I provirusBlood of subjectsVirus type IT cell activationAbsence of mitogensIL-2-mediated signalingIL-2-independent growthSite of actionMononuclear cellsIL-2Polymerase chain reactionT cellsExogenous growth factorsPeriodic restimulationFK-506Cell activationHTLVP55 chain