Evidence map›Paper›PMID 23463101›Full record

ArticleThe EMBO journal2013

GW182 proteins cause PABP dissociation from silenced miRNA targets in the absence of deadenylation.

Latifa Zekri, Duygu Kuzuoğlu-Öztürk, Elisa Izaurralde

Open access · bronzeAbstract read
In one paragraph

Article in The EMBO journal, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 70 papers.

0numbers the graph read from it
0cells of the map it votes in
70citing papers in PubMed
8.2field-weighted citation impact, top 2% 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

70 citing papers in PubMed, 121 citations in OpenAlex.

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  18. Article
  19. The Role of Dynamic miRISC During Neuronal Development.Frontiers in molecular biosciences · 2020
    Review
  20. Article

10 more citing papers are in PubMed but not listed here.

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 at 1 institution in 1 country.

Latifa ZekriDepartment of Biochemistry, Max Planck Institute for Developmental Biology, Tübingen, Germany.
Duygu Kuzuoğlu-Öztürk
Elisa Izaurralde
Max Planck Institute for Developmental Biology · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

GW182 family proteins interact with Argonaute proteins and are required for the translational repression, deadenylation and decay of miRNA targets. To elicit these effects, GW182 proteins interact with poly(A)-binding protein (PABP) and the CCR4-NOT deadenylase complex. Although the mechanism of miRNA target deadenylation is relatively well understood, how GW182 proteins repress translation is not known. Here, we demonstrate that GW182 proteins decrease the association of eIF4E, eIF4G and PABP with miRNA targets. eIF4E association is restored in cells in which miRNA targets are deadenylated, but decapping is inhibited. In these cells, eIF4G binding is not restored, indicating that eIF4G dissociates as a consequence of deadenylation. In contrast, PABP dissociates from silenced targets in the absence of deadenylation. PABP dissociation requires the interaction of GW182 proteins with the CCR4-NOT complex. Accordingly, NOT1 and POP2 cause dissociation of PABP from bound mRNAs in the absence of deadenylation. Our findings indicate that the recruitment of the CCR4-NOT complex by GW182 proteins releases PABP from the mRNA poly(A) tail, thereby disrupting mRNA circularization and facilitating translational repression and deadenylation.

Indexed as

AnimalsCarrier ProteinsDrosophila melanogasterDrosophila ProteinsEukaryotic Initiation Factor-4EEukaryotic Initiation Factor-4GMicroRNAsPoly(A)-Binding ProteinsRibonucleasesRNA-Binding ProteinsRNA, MessengerCarrier ProteinsCCR4 protein, DrosophilaDrosophila ProteinseIF4G2 protein, DrosophilaEukaryotic Initiation Factor-4EEukaryotic Initiation Factor-4GGw protein, DrosophilaMicroRNAsNOT1 protein, DrosophilaPoly(A)-Binding ProteinsRibonucleasesRNA-Binding ProteinsRNA, Messenger

Identifiers

PMID23463101
PMCPMC3616289
OpenAlexW2097455031

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
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.