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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Fisher, L. Schooley, R. T. Flexner, C. Birch-limberger, K. Young, R. Moss, B. Aldovini, A. Walker, B. D. Paradis, T. J. |
| Description | Author Affiliation: Walker BD ( Infectious Disease Unit, Massachusetts General Hospital, Boston.); |
| Abstract | The definition of human immunodeficiency virus type 1 (HIV-1) immunogenic epitopes is central to the rational design of AIDS vaccine strategies. In this study, we have generated seven HIV-1 reverse transcriptase-specific cytotoxic T-lymphocyte (CTL) clones from the peripheral blood of two seropositive subjects. Epitopes recognized by these CTL clones were identified by using target cells infected with recombinant HIV-1-vaccinia virus vectors expressing truncated reverse transcriptase proteins and further defined by using target cells incubated with overlapping 25-amino acid synthetic reverse transcriptase peptides. Five different CTL epitopes were identified, and in each case recognition was restricted by class I human leukocyte antigens (HLA). Clones maintained specific cytolytic function in continuous culture for up to 11 months, requiring only periodic restimulation with a CD3-specific monoclonal antibody. These results indicate that HIV-1-specific, major histocompatibility class I-restricted CTL recognize multiple epitopes of a single viral gene product in conjunction with different host HLA antigens. In addition, they demonstrate that human virus-specific CTL can be grown in long-term culture without the need for reexposure to viral antigen. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 23 |
| Volume Number | 86 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 1989-01-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Cytotoxicity, Immunologic HIV-1 Immunology T-Lymphocytes, Cytotoxic Cell Line Cell Transformation, Viral Cells, Cultured Gene Expression Genes, Viral HIV Seropositivity Enzymology Genetics Herpesvirus 4, Human RNA-Directed DNA Polymerase Cytology Vaccinia Virus Viral Structural Proteins Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, P.H.S. Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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