Evidence map›Paper›PMID 22072960›Full record

ArticlePLoS pathogens2011

Assessing predicted HIV-1 replicative capacity in a clinical setting.

Roger D Kouyos, Viktor von Wyl, Trevor Hinkley, Christos J Petropoulos, Mojgan Haddad, Jeannette M Whitcomb, Jürg Böni, Sabine Yerly, Cristina Cellerai, Thomas Klimkait and 3 more

Abstract read
In one paragraph

Article in PLoS pathogens, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.

0numbers the graph read from it
0cells of the map it votes in
29citing papers in PubMed
–field-weighted citation impact
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

29 citing papers in PubMed.

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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

13 authors.

Roger D KouyosETH Zürich, Institute of Integrative Biology, Zürich, Switzerland. rkouyos@princeton.edu
Viktor von Wyl
Trevor Hinkley
Christos J Petropoulos
Mojgan Haddad
Jeannette M Whitcomb
Jürg Böni
Sabine Yerly
Cristina Cellerai
Thomas Klimkait
Huldrych F Günthard
Sebastian Bonhoeffer
Swiss HIV Cohort Study

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

HIV-1 replicative capacity (RC) provides a measure of within-host fitness and is determined in the context of phenotypic drug resistance testing. However it is unclear how these in-vitro measurements relate to in-vivo processes. Here we assess RCs in a clinical setting by combining a previously published machine-learning tool, which predicts RC values from partial pol sequences with genotypic and clinical data from the Swiss HIV Cohort Study. The machine-learning tool is based on a training set consisting of 65000 RC measurements paired with their corresponding partial pol sequences. We find that predicted RC values (pRCs) correlate significantly with the virus load measured in 2073 infected but drug naïve individuals. Furthermore, we find that, for 53 pairs of sequences, each pair sampled in the same infected individual, the pRC was significantly higher for the sequence sampled later in the infection and that the increase in pRC was also significantly correlated with the increase in plasma viral load and with the length of the time-interval between the sampling points. These findings indicate that selection within a patient favors the evolution of higher replicative capacities and that these in-vitro fitness measures are indicative of in-vivo HIV virus load.

Indexed as

Genes, polViral LoadVirus ReplicationAdultAnti-HIV AgentsArtificial IntelligenceBase SequenceComputer SimulationDrug Resistance, ViralFemaleGenotypeHIV-1HIV InfectionsHumansMaleMicrobial Sensitivity TestsAnti-HIV Agents

Identifiers

PMID22072960
PMCPMC3207887

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Registered trials

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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.