## Abstract There are several lines of evidence suggesting that specific vaccine therapy with a standard hepatitis B virus (HBV) vaccination reduces HBV replication. The aim of this study was to investigate the antiβviral mechanism of vaccine therapy in chronic hepatitis B patients. Nineteen patien
Therapeutic vaccination against chronic viral infection: the importance of cooperation between CD4+ and CD8+ T cells
β Scribed by Allan J Zajac; Kaja Murali-Krishna; Joseph N Blattman; Rafi Ahmed
- Publisher
- Elsevier Science
- Year
- 1998
- Tongue
- English
- Weight
- 740 KB
- Volume
- 10
- Category
- Article
- ISSN
- 0952-7915
No coin nor oath required. For personal study only.
β¦ Synopsis
The goal of therapeutic vaccination is to elicit an antiviral immune response within persistently infected individuals and consequently eradicate the infection. CD8+ T cells are potent mediators of viral clearance; however, during chronic infections CD4+ T cell help is required to sustain antiviral CD8+ T cell activity. Therapeutic vaccination should be targeted towards enhancing both CD4+ and CD8+ T cell virus-specific responses.
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Presentation of viral antigens to T cells does not require uptake by 'professional' antigen-presenting cells. Viruses have specialized to enter the cells in which they replicate. Virus entry, uncoating and new viral protein synthesis can load both the cytosolic and the endosomal pathway of antigen p
Given the role of the CD4 T helper cells in the development of memory CTL precursors, it seems bene"cial to boost the CD4 T helper response in the context of vaccination against the human immunode"ciency virus (HIV). However, CD4 T cells are also the preferred targets of infection by HIV. Here, we a