Abstract
HIV type 1 (HIV-1) not only directly kills infected CD4+T cells but also induces immunosuppression of uninfected T cells. Two immunosuppressive proteins, interferon α (IFNα) and extracellular Tat, mediate this process because specific antibodies against these proteins prevent generation of suppressor cells in HIV-1-infected peripheral blood mononuclear cell cultures. Furthermore, the production of C-C chemokines in response to immune cell activation, initially enhanced by IFNα and Tat, ultimately is inhibited by these proteins in parallel with their induction of immunosuppression. The clinical corollary is the immunosuppression of uninfected T cells and the decline in C-C chemokine release found at advanced stages of HIV-1 infection paralleling rising levels of IFNα and extracellular Tat. We, therefore, suggest that IFNα and Tat may be critical targets for anti-AIDS strategies.
Bibliography
Zagury, D., Lachgar, A., Chams, V., Fall, L. S., Bernard, J., Zagury, J.-F., Bizzini, B., Gringeri, A., Santagostino, E., Rappaport, J., Feldman, M., Burny, A., & Gallo, R. C. (1998). Interferon α and Tat involvement in the immunosuppression of uninfected T cells and C-C chemokine decline in AIDS. Proceedings of the National Academy of Sciences, 95(7), 3851â3856.
Authors
13
- Daniel Zagury (first)
- Abderrahim Lachgar (additional)
- Vida Chams (additional)
- Lat S. Fall (additional)
- Jacky Bernard (additional)
- Jean-François Zagury (additional)
- Bernard Bizzini (additional)
- Alessandro Gringeri (additional)
- Elena Santagostino (additional)
- Jay Rappaport (additional)
- Michael Feldman (additional)
- Arsène Burny (additional)
- Robert C. Gallo (additional)
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Dates
Type | When |
---|---|
Created | 23 years, 1 month ago (July 26, 2002, 10:35 a.m.) |
Deposited | 2 years, 4 months ago (April 22, 2023, 8:15 a.m.) |
Indexed | 3 months, 2 weeks ago (May 17, 2025, 2:44 a.m.) |
Issued | 27 years, 5 months ago (March 31, 1998) |
Published | 27 years, 5 months ago (March 31, 1998) |
Published Online | 27 years, 5 months ago (March 31, 1998) |
Published Print | 27 years, 5 months ago (March 31, 1998) |
@article{Zagury_1998, title={Interferon α and Tat involvement in the immunosuppression of uninfected T cells and C-C chemokine decline in AIDS}, volume={95}, ISSN={1091-6490}, url={http://dx.doi.org/10.1073/pnas.95.7.3851}, DOI={10.1073/pnas.95.7.3851}, number={7}, journal={Proceedings of the National Academy of Sciences}, publisher={Proceedings of the National Academy of Sciences}, author={Zagury, Daniel and Lachgar, Abderrahim and Chams, Vida and Fall, Lat S. and Bernard, Jacky and Zagury, Jean-François and Bizzini, Bernard and Gringeri, Alessandro and Santagostino, Elena and Rappaport, Jay and Feldman, Michael and Burny, Arsène and Gallo, Robert C.}, year={1998}, month=mar, pages={3851–3856} }