2004
An immunomodulatory role for CD4+CD25+ regulatory T lymphocytes in hepatitis C virus infection
Cabrera R, Tu Z, Xu Y, Firpi R, Rosen H, Liu C, Nelson D. An immunomodulatory role for CD4+CD25+ regulatory T lymphocytes in hepatitis C virus infection. Hepatology 2004, 40: 1062-1071. PMID: 15486925, DOI: 10.1002/hep.20454.Peer-Reviewed Original ResearchMeSH KeywordsAntibodiesAntibody FormationAntigens, CDCase-Control StudiesCD4-Positive T-LymphocytesCD8-Positive T-LymphocytesCell CommunicationEpitopesHepatitis CHepatitis C AntigensHumansImmune SystemInterleukin-10PhenotypeReceptors, Interleukin-2Transforming Growth Factor betaTransforming Growth Factor beta1ConceptsHepatitis C virus infectionPeripheral blood mononuclear cellsC virus infectionRegulatory T lymphocytesBlood mononuclear cellsT lymphocytesMononuclear cellsVirus infectionHCV-specific T-cell responsesCell-cell contact mannerT cell immune responsesHCV RNA titersT cell frequenciesIL-10 productionT cell responsesCell immune responsesInterferon-gamma productionLiver inflammatory activityNormal control subjectsT cell proliferationInterferon gamma activityGrowth factor betaIL-10Intracellular cytokinesInflammatory activity
2003
CD8+ T‐cell interaction with HCV replicon cells: Evidence for both cytokine‐ and cell‐mediated antiviral activity
Liu C, Zhu H, Tu Z, Xu Y, Nelson D. CD8+ T‐cell interaction with HCV replicon cells: Evidence for both cytokine‐ and cell‐mediated antiviral activity. Hepatology 2003, 37: 1335-1342. PMID: 12774012, DOI: 10.1053/jhep.2003.50207.Peer-Reviewed Original ResearchConceptsHepatitis C virusHCV replicon cellsAntiviral activityReplicon cellsHCV repliconMechanisms of HCVAnti-tumor necrosis factor alphaHCV subgenomic replicon systemAnti-interferon gammaDirect cytolytic effectHLA-A11 alleleNecrosis factor alphaHLA class IHost immune responseSubgenomic replicon systemT cell interactionsT-cell bindingHCV nonstructural proteinsCytolytic functionHCV interactionC virusSpecific lysisInfected hepatocytesTNF-alphaAntiviral effect