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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Moss, B. Weinstein, J. N. Ashorn, P. Fitzgerald, D. J. Pastan, I. Berger, E. A. Chaudhary, V. K. |
| Description | Author Affiliation: Ashorn P ( Laboratory of Viral Diseases, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892.); |
| Abstract | We have previously described a recombinant protein, designated CD4(178)-PE40, consisting of the human immunodeficiency virus (HIV) envelope glycoprotein-binding region of human CD4 linked to the translocation and ADP-ribosylation domains of Pseudomonas aeruginosa exotoxin A. By virtue of its affinity for gp120 (the external subunit of the HIV envelope glycoprotein), the hybrid toxin selectively binds to and kills HIV-1-infected human T cells expressing surface envelope glycoprotein and also inhibits HIV-1 spread in mixed cultures of infected and uninfected cells. We now report that CD4(178)-PE40 and reverse transcriptase inhibitors exert highly synergistic effects against HIV-1 spread in cultured human primary T cells. Furthermore, combination treatment can completely eliminate infectious HIV-1 from cultures of human T-cell lines. This conclusion is based on protection of a susceptible cell population from HIV-induced killing, complete inhibition of virus protein accumulation, and elimination of HIV DNA (as judged by quantitative polymerase chain reaction analysis). The results highlight the therapeutic potential of treatment regimens involving combination of a virostatic drug that inhibits virus replication plus an agent that selectively kills HIV-infected cells. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 22 |
| Volume Number | 87 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 1990-01-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | ADP Ribose Transferases Antigens, CD4 Chemistry Bacterial Toxins Exotoxins Administration & Dosage HIV Infections Therapy Immunotoxins Reverse Transcriptase Inhibitors T-Lymphocytes Microbiology Virulence Factors Cells, Cultured Didanosine Drug Synergism HIV Growth & Development In Vitro Techniques Virus Replication Drug Effects Zidovudine Research Support, U.S. Gov't, P.H.S. Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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