Evidence map›Paper›PMID 20028973›Full record

ArticleThe Journal of biological chemistry2010

Initiation factor eIF2-independent mode of c-Src mRNA translation occurs via an internal ribosome entry site.

Heba Allam, Naushad Ali

Abstract read
In one paragraph

Article in The Journal of biological chemistry, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed
–field-weighted citation impact
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

24 citing papers in PubMed.

  1. Review
  2. Review
  3. Article
  4. Characterizing Cellular Responses During Oncolytic Maraba Virus Infection.International journal of molecular sciences · 2019
    Article
  5. Review
  6. Article
  7. Article
  8. A researcher's guide to the galaxy of IRESs.Cellular and molecular life sciences : CMLS · 2017
    Review
  9. Article
  10. Article
  11. Review
  12. Review
  13. Article
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  15. Review
  16. Article
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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

2 authors.

Heba AllamDepartment of Biological Sciences, University of Denver, Denver, Colorado 80208-0183, USA.
Naushad Ali

Funding

Cell-free Replication of Hepatitis E VirusR03AI063046 · NIAID · UNIVERSITY OF DENVER (COLORADO SEMINARY) · PI ALI, NAUSHAD · 2005 to 2006
$152k
NIAID NIH HHS R03 AI063046NIAID NIH HHS R03AI063046
6 · The paper itself

Abstract

Overexpression and activation of the c-Src protein have been linked to the development of a wide variety of cancers. The molecular mechanism(s) of c-Src overexpression in cancer cells is not clear. We report here an internal ribosome entry site (IRES) in the c-Src mRNA that is constituted by both 5'-noncoding and -coding regions. The inhibition of cap-dependent translation by m(7)GDP in the cell-free translation system or induction of endoplasmic reticulum stress in hepatoma-derived cells resulted in stimulation of the c-Src IRES activities. Sucrose density gradient analyses revealed formation of a stable binary complex between the c-Src IRES and purified HeLa 40 S ribosomal subunit in the absence of initiation factors. We further demonstrate eIF2-independent assembly of 80 S initiation complex on the c-Src IRES. These features of the c-Src IRES appear to be reminiscent of that of hepatitis C virus-like IRESs and translation initiation in prokaryotes. Transfection studies and genetic analysis revealed that the c-Src IRES permitted initiation at the authentic AUG351, which is also used for conventional translation initiation of the c-Src mRNA. Our studies unveiled a novel regulatory mechanism of c-Src synthesis mediated by an IRES element, which exhibits enhanced activity during cellular stress and is likely to cause c-Src overexpression during oncogenesis and metastasis.

Indexed as

Genes, srcPeptide Chain Initiation, Translational5' Untranslated RegionsCarcinoma, HepatocellularCell-Free SystemCell Transformation, NeoplasticEukaryotic Initiation Factor-2HeLa CellsHumansNeoplasm MetastasisRibosome Subunits, Small, EukaryoticRNA CapsStress, Physiological5' Untranslated RegionsEukaryotic Initiation Factor-2RNA Caps

Identifiers

PMID20028973
PMCPMC2820799

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.