Evidence map›Paper›PMID 9218810›Full record

ArticleThe EMBO journal1997

Rapamycin suppresses 5'TOP mRNA translation through inhibition of p70s6k.

H B Jefferies, S Fumagalli, P B Dennis, C Reinhard, R B Pearson, G Thomas

Open access · bronzeAbstract read
In one paragraph

Article in The EMBO journal, 1997. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 324 papers.

0numbers the graph read from it
0cells of the map it votes in
324citing papers in PubMed
14.6field-weighted citation impact, top 1% 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

324 citing papers in PubMed, 931 citations in OpenAlex.

  1. Trial
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264 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

6 authors at 1 institution in 1 country.

H B JefferiesFriedrich Miescher Institut, Basel, Switzerland.
S Fumagalli
P B Dennis
C Reinhard
R B Pearson
G Thomas
Friedrich Miescher Institute · CH

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Treatment of mammalian cells with the immunosuppressant rapamycin, a bacterial macrolide, selectively suppresses mitogen-induced translation of an essential class of mRNAs which contain an oligopyrimidine tract at their transcriptional start (5'TOP), most notably mRNAs encoding ribosomal proteins and elongation factors. In parallel, rapamycin blocks mitogen-induced p70 ribosomal protein S6 kinase (p70s6k) phosphorylation and activation. Utilizing chimeric mRNA constructs containing either a wild-type or disrupted 5'TOP, we demonstrate that an intact polypyrimidine tract is required for rapamycin to elicit an inhibitory effect on the translation of these transcripts. In turn, a dominant-interfering p70s6k, which selectively prevents p70s6k activation by blocking phosphorylation of the rapamycin-sensitive sites, suppresses the translation of the chimeric mRNA containing the wild-type but not the disrupted 5'TOP. Conversion of the principal rapamycin-sensitive p70s6k phosphorylation site, T389, to an acidic residue confers rapamycin resistance on the kinase and negates the inhibitory effects of the macrolide on 5'TOP mRNA translation in cells expressing this mutant. The results demonstrate that the rapamycin block of mitogen-induced 5'TOP mRNA translation is mediated through inhibition of p70s6k activation.

Indexed as

3T3 CellsAnimalsCell Line, TransformedDrug ResistanceEnzyme ActivationEnzyme InhibitorsHuman Growth HormoneHumansMiceMutagenesisPolyenesProtein BiosynthesisProtein Serine-Threonine KinasesPyrimidinesRecombinant Fusion ProteinsRibosomal Protein S6 KinasesEnzyme InhibitorsHuman Growth HormonePolyenesProtein Serine-Threonine KinasespyrimidinePyrimidinesRecombinant Fusion ProteinsRibosomal Protein S6 KinasesRNA, MessengerSirolimus

Identifiers

PMID9218810
PMCPMC1169993
OpenAlexW1987105275

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.