Evidence map›Paper›PMID 20064551›Full record

ArticlePlasmid2010

Efficient downregulation of multiple mRNA targets with a single shRNA-expressing lentiviral vector.

Stepan P Chumakov, Julia E Kravchenko, Vladimir S Prassolov, Elena I Frolova, Peter M Chumakov

Abstract read
In one paragraph

Article in Plasmid, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing 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

11 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

5 authors.

Stepan P ChumakovEngelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilov Street 32, 119991 Moscow, Russia.
Julia E Kravchenko
Vladimir S Prassolov
Elena I Frolova
Peter M Chumakov

Funding

Potentials of reactivated mutant p53R01CA104903 · NCI · CLEVELAND CLINIC LERNER COM-CWRU · PI CHUMAKOV, PETER M · 2004 to 2008
$1.5M
Role of sestrin family genes in antioxidant defenseR01AG025278 · NIA · CLEVELAND CLINIC LERNER COM-CWRU · PI CHUMAKOV, PETER M · 2005 to 2009
$1.5M
Howard Hughes Medical Institute 55005603NCI NIH HHS R01 CA104903NIA NIH HHS AG025276NIA NIH HHS R01 AG025278
6 · The paper itself

Abstract

Gene silencing based on RNA interference is widely used in fundamental research and in practical applications. However, a commonly incomplete functional suppression represents a serious drawback of this technology. We describe a series of lentiviral vectors each containing a single or multiple shRNA-expression cassette(s) driven by a RNA-polymerase III specific promoter and localized within the 3'-LTR of the lentiviral DNA backbone. The vectors also contain an antibiotic-resistance gene that allows positive selection of recipient cells. The combined expression of three different shRNAs specific to a single mRNA was shown to improve dramatically the level of mRNA inhibition, while the use of three different RNA-polymerase III specific promoters avoids the loss of shRNA-expression cassettes through the homologous recombination. The vector system was used for successful simultaneous suppression of three related SESN1, SESN2 and SESN3 genes, which suggests its particular value for testing phenotypes of functionally redundant genes.

Indexed as

Cell LineDown-RegulationGenetic VectorsHumansLentivirusPolymerase Chain ReactionPromoter Regions, GeneticRNA, MessengerRNA Polymerase IIIRNA, Small InterferingTerminal Repeat SequencesRNA, MessengerRNA Polymerase IIIRNA, Small Interfering

Identifiers

PMID20064551
PMCPMC2849729

What OpenQuestion holds

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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.