Extensive Cross-Reactivity of CD4+Adenovirus-Specific T Cells: Implications for Immunotherapy and Gene Therapy
Open Access
- 1 June 2003
- journal article
- Published by American Society for Microbiology in Journal of Virology
- Vol. 77 (11) , 6562-6566
- https://doi.org/10.1128/jvi.77.11.6562-6566.2003
Abstract
Adenovirus (Ad)-specific T-cell responses in healthy adult donors were investigated. Ad5, inactivated by methylene blue plus visible light, induced proliferation and gamma interferon (IFN-γ) production in peripheral blood mononuclear cells of the majority of donors. Responding T cells were CD4+ and produced IFN-γ upon restimulation with infectious Ad5 and Ads of different subgroups. T-cell clones showed distinct cross-reactivity patterns recognizing Ad serotypes from either one subgroup (C), two subgroups (B and C), or three subgroups (A, B, and C). This cross-reactivity of Ad-specific T cells has relevance both for Ad-based gene therapy protocols, as well as for the feasibility of T-cell-mediated adoptive immunotherapy in recipients of an allogeneic stem cell transplantation.Keywords
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