Evidence map›Paper›PMID 20823266›Full record

ArticleMolecular and cellular biology2010

Nuclear import of cytoplasmic poly(A) binding protein restricts gene expression via hyperadenylation and nuclear retention of mRNA.

G Renuka Kumar, Britt A Glaunsinger

Open access · greenAbstract read
In one paragraph

Article in Molecular and cellular biology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 81 papers.

0numbers the graph read from it
0cells of the map it votes in
81citing papers in PubMed
3.4field-weighted citation impact, top 7% 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

81 citing papers in PubMed, 115 citations in OpenAlex.

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21 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

2 authors at 1 institution in 1 country.

G Renuka KumarDepartment of Plant & Microbial Biology, University of California, Berkeley, CA 94720-3102, USA.
Britt A Glaunsinger
University of California, Berkeley · US

Funding

Disruption of Cellular RNA Processing by Kaposi's Sarcoma-Associated HerpesvirusR01CA136367 · NCI · UNIVERSITY OF CALIFORNIA BERKELEY · PI Britt A Glaunsinger · 2010 to 2026
$5.8M
NCI NIH HHS R01 CA136367NCI NIH HHS R01CA136367
6 · The paper itself

Abstract

Poly(A) tail length is emerging as an important marker of mRNA fate, where deviations from the canonical length can signal degradation or nuclear retention of transcripts. Pathways regulating polyadenylation thus have the potential to broadly influence gene expression. Here we demonstrate that accumulation of cytoplasmic poly(A) binding protein (PABPC) in the nucleus, which can occur during viral infection or other forms of cellular stress, causes mRNA hyperadenylation and nuclear accumulation of poly(A) RNA. This inhibits gene expression but does not affect mRNA stability. Unexpectedly, PABPC-induced hyperadenylation can occur independently of mRNA 3'-end processing yet requires the canonical mRNA poly(A) polymerase II. We find that nuclear PABPC-induced hyperadenylation is triggered by multiple divergent viral factors, suggesting that altering the subcellular localization of PABPC may be a commonly used mechanism to regulate cellular gene expression in a polyadenylation-linked manner.

Indexed as

Active Transport, Cell NucleusAnimalsBase SequenceCell LineChlorocebus aethiopsCOS CellsCytoplasmGene Expression RegulationGene Knockdown TechniquesHeLa CellsHerpesvirus 8, HumanHumansPoly(A)-Binding Protein IPolynucleotide AdenylyltransferaseRecombinant ProteinsRNA, MessengerPoly(A)-Binding Protein IPolynucleotide AdenylyltransferaseRecombinant ProteinsRNA, MessengerRNA, Small InterferingViral Proteins

Identifiers

PMID20823266
PMCPMC2953054
OpenAlexW2163715074

What OpenQuestion holds

Textmetadata
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.