Evidence map›Paper›PMID 22307607›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2012

Cytoskeletal protein filamin A is a nucleolar protein that suppresses ribosomal RNA gene transcription.

Wensheng Deng, Cesar Lopez-Camacho, Jen-Yang Tang, Daniel Mendoza-Villanueva, Apolinar Maya-Mendoza, Dean A Jackson, Paul Shore

Open access · bronzeAbstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.

0numbers the graph read from it
0cells of the map it votes in
34citing papers in PubMed
2.1field-weighted citation impact, top 14% 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

34 citing papers in PubMed, 58 citations in OpenAlex.

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  16. Multiple Pools of Nuclear Actin.Anatomical record (Hoboken, N.J. : 2007) · 2018
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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

7 authors at 1 institution in 1 country.

Wensheng DengFaculty of Life Sciences, University of Manchester, Manchester M13 9PT, United Kingdom.
Cesar Lopez-Camacho
Jen-Yang Tang
Daniel Mendoza-Villanueva
Apolinar Maya-Mendoza
Dean A Jackson
Paul Shore
University of Manchester · GB

Funding

Biotechnology and Biological Sciences Research Council BB/D00327X/1Worldwide Cancer Research 09-0208
6 · The paper itself

Abstract

Filamin A (FLNA) is an actin-binding protein with a well-established role in the cytoskeleton, where it determines cell shape and locomotion by cross-linking actin filaments. Mutations in FLNA are associated with a wide range of genetic disorders. Here we demonstrate a unique role for FLNA as a nucleolar protein that associates with the RNA polymerase I (Pol I) transcription machinery to suppress rRNA gene transcription. We show that depletion of FLNA by siRNAs increased rRNA expression, rDNA promoter activity and cell proliferation. Immunodepletion of FLNA from nuclear extracts resulted in a decrease in rDNA promoter-driven transcription in vitro. FLNA coimmunoprecipitated with the Pol I components actin, TIF-IA, and RPA40, and their occupancy of the rDNA promoter was increased in the absence of FLNA in vivo. The FLNA actin-binding domain is essential for the suppression of rRNA expression and for inhibiting recruitment of the Pol I machinery to the rDNA promoter. These findings reveal an additional role for FLNA as a regulator of rRNA gene expression and have important implications for our understanding of the role of FLNA in human disease.

Indexed as

ActinsBinding SitesCell LineContractile ProteinsCytoskeletal ProteinsDNA, RibosomalFilaminsHumansMicrofilament ProteinsPromoter Regions, GeneticRNA InterferenceRNA, RibosomalRNA, Small InterferingTranscription, GeneticActinsContractile ProteinsCytoskeletal ProteinsDNA, RibosomalFilaminsMicrofilament ProteinsRNA, RibosomalRNA, Small Interfering

Identifiers

PMID22307607
PMCPMC3277164
OpenAlexW2118782683

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.