The role of cytotoxic T cells and cytokines in the control of hepatitis B virus infection

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Abstract

The aim of this study was to elucidate the molecular basis for viral clearance and liver disease in the pathogenesis of hepatitis B virus (HBV) infection. Using transgenic mice that replicate HBV at high levels in the liver as recipients of HBV-specific cytotoxic T cells (CTL), we have shown that the antiviral potential of the CTL is primarily mediated by noncytolytic mechanisms that involve the intra-hepatic production of IFN-γ by these cells. We also showed that, following antigen recognition, HBV-specific CTL recruit antigen non-specific inflammatory cells that contribute to amplify the liver disease initiated by CTL. These results provided insight into immunological and virological processes that may lead to the development of new therapeutic strategies to terminate chronic HBV infection.

Original languageEnglish
JournalVaccine
Volume20
Issue numberSUPPL. 4
DOIs
Publication statusPublished - Dec 19 2002

Keywords

  • CTL
  • HBV
  • IFN-γ

ASJC Scopus subject areas

  • Immunology
  • Microbiology
  • Virology
  • Infectious Diseases
  • Public Health, Environmental and Occupational Health
  • veterinary(all)

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