ArticleAntimicrobial agents and chemotherapy2011
Inhibition of HIV-1 by octadecyloxyethyl esters of (S)-[3-hydroxy-2-(phosphonomethoxy)propyl] nucleosides and evaluation of their mechanism of action.
Article in Antimicrobial agents and chemotherapy, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
2 citing papers in PubMed.
- Meeting report: 32nd International Conference on Antiviral Research.Antiviral research · 2019Review
- A thiopurine drug inhibits West Nile virus production in cell culture, but not in mice.PloS one · 2011Article
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Authors and funding
6 authors.
Funding
Abstract
(S)-1-[3-hydroxy-2-(phosphonomethoxy)propyl]cytosine (HPMPC [cidofovir]) and (S)-9-[3-hydroxy-2-(phosphonomethoxy)propyl]adenine (HPMPA) are potent inhibitors of a variety of DNA viruses. These drugs possess a 3'-hydroxyl equivalent which could support chain extension from an incorporated drug molecule. HPMPC and HPMPA were initially reported to lack activity against human immunodeficiency virus type 1 (HIV-1); more recent results have shown that the octadecyloxyethyl (ODE) and hexadecyloxypropyl (HDP) esters of HPMPA are potent inhibitors of the virus. We have synthesized the ODE esters of a series of (S)-[3-hydroxy-2-(phosphonomethoxy)propyl] (HPMP) nucleosides, including HPMPC, HPMP-guanine (HPMPG), HPMP-thymine (HPMPT), and HPMP-diaminopurine (HPMPDAP), as well as the ODE ester of the obligate chain terminator (S)-9-[3-methoxy-2-(phosphonomethoxy)-propyl]adenine (MPMPA). All compounds except ODE-HPMPT were inhibitors of HIV-1 replication at low nanomolar concentrations. These compounds were also inhibitors of the replication of HIV-1 variants that are resistant to various nucleoside reverse transcriptase (RT) inhibitors at concentrations several times lower than would be expected to be achieved in vivo. To investigate the mechanism of the antiviral activity, the active metabolites of HPMPC and HPMPA were studied for their effects on reactions catalyzed by HIV-1 RT. Incorporation of HPMPC and HPMPA into a DNA primer strand resulted in multiple inhibitory effects exerted on the enzyme and showed that neither compound acts as an absolute chain terminator. Further, inhibition of HIV-1 RT also occurred when these drugs were located in the template strand. These results indicate that HPMPC and HPMPA inhibit HIV-1 by a complex mechanism and suggest that this class of drugs has a broader spectrum of activity than previously shown.
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Registered trials
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