Evidence map›Paper›PMID 17715143›Full record

ArticleNucleic acids research2007

Design of extended short hairpin RNAs for HIV-1 inhibition.

Ying Poi Liu, Joost Haasnoot, Ben Berkhout

Abstract read
In one paragraph

Article in Nucleic acids research, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 35 papers.

0numbers the graph read from it
0cells of the map it votes in
35citing 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

35 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

3 authors.

Ying Poi LiuLaboratory of Experimental Virology, Department of Medical Microbiology, Center for Infection and Immunity Amsterdam (CINIMA), Academic Medical Center of the University of Amsterdam, Meibergdreef 15, Amsterdam, The Netherlands.
Joost Haasnoot
Ben Berkhout

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

RNA interference (RNAi) targeted towards viral mRNAs is widely used to block virus replication in mammalian cells. The specific antiviral RNAi response can be induced via transfection of synthetic small interfering RNAs (siRNAs) or via intracellular expression of short hairpin RNAs (shRNAs). For HIV-1, both approaches resulted in profound inhibition of virus replication. However, the therapeutic use of a single siRNA/shRNA appears limited due to the rapid emergence of RNAi-resistant escape viruses. These variants contain deletions or point mutations within the target sequence that abolish the antiviral effect. To avoid escape from RNAi, the virus should be simultaneously targeted with multiple shRNAs. Alternatively, long hairpin RNAs can be used from which multiple effective siRNAs may be produced. In this study, we constructed extended shRNAs (e-shRNAs) that encode two effective siRNAs against conserved HIV-1 sequences. Activity assays and RNA processing analyses indicate that the positioning of the two siRNAs within the hairpin stem is critical for the generation of two functional siRNAs. E-shRNAs that are efficiently processed into two effective siRNAs showed better inhibition of virus production than the poorly processed e-shRNAs, without inducing the interferon response. These results provide building principles for the design of multi-siRNA hairpin constructs.

Indexed as

RNA InterferenceAnti-HIV AgentsCell LineGenes, ReporterHIV-1HumansInterferon-betaRNA, Small InterferingRNA, UntranslatedAnti-HIV AgentsInterferon-betaRNA, Small InterferingRNA, Untranslated

Identifiers

PMID17715143
PMCPMC2034457

What OpenQuestion holds

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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.