Evidence map›Paper›PMID 19555722›Full record

ArticleAntiviral research2009

Comparative analysis of in vitro processivity of HIV-1 reverse transcriptases containing mutations 65R, 74V, 184V and 65R+74V.

Prem L Sharma, James H Nettles, Anya Feldman, Kimberly Rapp, Raymond F Schinazi

Abstract readComparative Study
In one paragraph

Article in Antiviral research, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed
0.5field-weighted citation impact, top 35% of its field
1 · What the graph read from it

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.

2 · The registry

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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

8 citing papers in PubMed, 11 citations in OpenAlex.

  1. Review
  2. The high cost of fidelity.AIDS research and human retroviruses · 2014
    Review
  3. Article
  4. Article
  5. Article
  6. Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors at 2 institutions in 1 country.

Prem L SharmaCenter for AIDS Research , Laboratory of Biochemical Pharmacology, Department of Pediatrics, Emory University School of Medicine, Atlanta, GA 30322, United States. plsharm@emory.edu
James H Nettles
Anya Feldman
Kimberly Rapp
Raymond F Schinazi
Emory University · USUnited States Department of Veterans Affairs · US

Funding

Virology and Molecular Biomarkers CoreP30AI050409 · NIAID · EMORY UNIVERSITY · PI Carlos del Rio · 2002 to 2026
$74.0M
NUCLEOSIDES WITH DUAL ANTI-HIV AND HBV ACTIVITYR37AI041980 · NIAID · EMORY UNIVERSITY · PI SCHINAZI, RAYMOND FELIX · 2000 to 2009
$2.1M
ROLE OF MULTIDRUG RESISTANCE MUTATION IN HIV FITNESSR01AI047726 · NIAID · EMORY UNIVERSITY · PI SHARMA, PREM L · 2000 to 2002
$672k
NIAID NIH HHS 2P30-AI-50409NIAID NIH HHS 5R37-AI-041980NIAID NIH HHS P30 AI050409NIAID NIH HHS R01 AI047726NIAID NIH HHS R0-1-AI-47726NIAID NIH HHS R37 AI041980
6 · The paper itself

Abstract

While HIV-1 reverse transcriptase (RT) mutations of M to V at position 184 are commonly observed in the clinic, the double mutation of 65R+74V is rarely seen. It has been demonstrated that rapid R-->K reversion occurs at RT codon 65 during replication of HIV-1 in human peripheral blood mononuclear cells containing 65R+74V mutations and that processivity of the RT is reduced relative to wild type. However, clinical studies show that M184V can be detected after several months of therapy interruption, suggesting more effective processivity. Herein, the in vitro RT processivity of genetically engineered M184V and double mutant 65R+74V was compared. Virion-associated RTs of WT pNL4-3, K65R, L74V, M184V and 65R+74V were used to perform RT processivity assays in the presence of trap, poly(rC)-oligo(dG). Both RTs with 184V and 65R+74V mutations exhibited similar processivity when compared with each other and a significantly decreased processivity as compared to WT RT. Both mutant RTs synthesized shorter cDNA molecules (37-42 nt) relative to WT RT, which made longer (65-70 nt) cDNA molecules. Since these surprising biochemical results cannot explain the clinical phenotype, a hypothesis is presented to explain the discrepancy and suggest new approaches for future testing.

Indexed as

Mutation, MissenseAmino Acid SubstitutionDNAHIV-1HIV Reverse TranscriptaseHumansModels, MolecularMutagenesis, Site-DirectedDNAHIV Reverse Transcriptasereverse transcriptase, Human immunodeficiency virus 1

Identifiers

PMID19555722
PMCPMC2769998
OpenAlexW2103166701

What OpenQuestion holds

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LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.