Evidence map›Paper›PMID 23843950›Full record

ArticlePloS one2013

Nicotinic acetylcholine receptor subunits α4 and α5 associated with smoking behaviour and lung cancer are regulated by upstream open reading frames.

Marlene Eggert, Eric Aichinger, Michael W Pfaffl, Ortrud K Steinlein, Martina Pfob

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
0.4field-weighted citation impact, top 34% 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

2 citing papers in PubMed, 4 citations in OpenAlex.

  1. Article
  2. Article
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 at 2 institutions in 1 country.

Marlene EggertInstitute of Human Genetics, University Hospital, Ludwig-Maximilians-University Munich, Munich, Germany. Marlene.Eggert@med.uni-muenchen.de
Eric Aichinger
Michael W Pfaffl
Ortrud K Steinlein
Martina Pfob
Ludwig-Maximilians-Universität München · DEWeihenstephan-Triesdorf University of Applied Sciences · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Nicotinic acetylcholine receptor subunits (nAChR) are associated with different aspects of smoking behaviour as well as with smoking related disorders. Several of these subunits have been found to be upregulated in smokers or differentially expressed in lung tumor cells. The mechanisms behind these observations are not known but assumed to be mainly post-transcriptional. Many post-transcriptional mechanisms are initiated by functionally relevant sequence motifs within untranslated gene regions, such as upstream open reading frames (uORFs). We performed a systematic search in all smoking-associated neuronal nAChR subunits and identified functionally relevant uORFs in CHRNA4 and CHRNA5. Luciferase experiments showed that these uORFs are able to significantly decrease protein expression. Our quantitative real-time PCR (qPCR) results strongly suggest that the observed effects originate at the translation rather than at the transcription level. Interestingly, the CHRNA4 uORF was only functionally relevant when expressed in the shorter isoform of this gene. Therefore, the data presented in this study strongly points towards an important role of uORFs within the 5'UTR of CHRNA4-isoform 1 and CHRNA5 as regulators of protein translation. Moreover, the shared uORF of CHRNA4-isoform 1/isoform 2 represents the first example of a sequence context-dependent uORF.

Indexed as

5' Untranslated RegionsGene Expression RegulationOpen Reading FramesProtein BiosynthesisGenes, ReporterHEK293 CellsHumansLuciferasesLung NeoplasmsModels, BiologicalNerve Tissue ProteinsProtein IsoformsReal-Time Polymerase Chain ReactionReceptors, NicotinicSignal TransductionSmoking5' Untranslated RegionsCHRNA5 protein, humanLuciferasesNerve Tissue ProteinsProtein IsoformsReceptors, Nicotinic

Identifiers

PMID23843950
PMCPMC3699600
OpenAlexW2091843189

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.