Evidence map›Paper›PMID 29061182›Full record

ArticleGenome biology2017

Editing inducer elements increases A-to-I editing efficiency in the mammalian transcriptome.

Chammiran Daniel, Albin Widmark, Ditte Rigardt, Marie Öhman

Open access · goldAbstract read
In one paragraph

Article in Genome biology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed
2.4field-weighted citation impact, top 11% 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

25 citing papers in PubMed, 37 citations in OpenAlex.

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  4. The role of ADAR1 through and beyond its editing activity in cancer.Cell communication and signaling : CCS · 2024
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

4 authors at 1 institution in 1 country.

Chammiran DanielDepartment of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, Svante Arrheniusväg 20C, 10691, Stockholm, Sweden.
Albin WidmarkDepartment of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, Svante Arrheniusväg 20C, 10691, Stockholm, Sweden.
Ditte RigardtDepartment of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, Svante Arrheniusväg 20C, 10691, Stockholm, Sweden.
Marie ÖhmanDepartment of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, Svante Arrheniusväg 20C, 10691, Stockholm, Sweden. marie.ohman@su.se.ORCID 0000-0002-6636-5841
Stockholm University · SE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundAdenosine to inosine (A-to-I) RNA editing has been shown to be an essential event that plays a significant role in neuronal function, as well as innate immunity, in mammals. It requires a structure that is largely double-stranded for catalysis but little is known about what determines editing efficiency and specificity in vivo. We have previously shown that some editing sites require adjacent long stem loop structures acting as editing inducer elements (EIEs) for efficient editing.

resultsThe glutamate receptor subunit A2 is edited at the Q/R site in almost 100% of all transcripts. We show that efficient editing at the Q/R site requires an EIE in the downstream intron, separated by an internal loop. Also, other efficiently edited sites are flanked by conserved, highly structured EIEs and we propose that this is a general requisite for efficient editing, while sites with low levels of editing lack EIEs. This phenomenon is not limited to mRNA, as non-coding primary miRNAs also use EIEs to recruit ADAR to specific sites.

conclusionsWe propose a model where two regions of dsRNA are required for efficient editing: first, an RNA stem that recruits ADAR and increases the local concentration of the enzyme, then a shorter, less stable duplex that is ideal for efficient and specific catalysis. This discovery changes the way we define and determine a substrate for A-to-I editing. This will be important in the discovery of novel editing sites, as well as explaining cases of altered editing in relation to disease.

Indexed as

Regulatory Sequences, Ribonucleic AcidRNA EditingAdenosineAdenosine DeaminaseAnimalsGluK2 Kainate ReceptorHEK293 CellsHeLa CellsHumansInosineKainic Acid ReceptorsKv1.1 Potassium ChannelMiceMicroRNAsNucleic Acid ConformationReceptors, AMPAAdenosineAdenosine DeaminaseGluK2 Kainate Receptorglutamate receptor ionotropic, AMPA 2InosineKainic Acid ReceptorsKv1.1 Potassium ChannelMicroRNAsReceptors, AMPARegulatory Sequences, Ribonucleic AcidADARAdenosine deaminationEIEGlutamate receptormiRNARNA editing

Identifiers

PMID29061182
PMCPMC5654063
OpenAlexW2766364558

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LicenceCC BY
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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.