Evidence map›Paper›PMID 23518498›Full record

ArticleCell cycle (Georgetown, Tex.)2013

A new function of the splicing factor SRSF2 in the control of E2F1-mediated cell cycle progression in neuroendocrine lung tumors.

Valerie Edmond, Galina Merdzhanova, Stephanie Gout, Elisabeth Brambilla, Sylvie Gazzeri, Beatrice Eymin

Open access · bronzeAbstract read
In one paragraph

Article in Cell cycle (Georgetown, Tex.), 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed
1.2field-weighted citation impact, top 22% 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

23 citing papers in PubMed, 33 citations in OpenAlex.

  1. Article
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  8. Inhibition of osteosarcoma by European Mistletoe derived val-miR218.Extracellular vesicles and circulating nucleic acids · 2023
    Article
  9. Article
  10. Review
  11. Article
  12. Splicing factor SRSF2-centric gene regulation.International journal of biological sciences · 2021
    Review
  13. Article
  14. Phosphoproteomic analysis identifies CLK1 as a novel therapeutic target in gastric cancer.Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association · 2020
    Article
  15. Article
  16. Article
  17. Review
  18. 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

6 authors at 3 institutions in 1 country.

Valerie EdmondINSERM, U823, Equipe 2 Bases Moléculaires de la Progression des Cancers du Poumon, Grenoble, France.
Galina Merdzhanova
Stephanie Gout
Elisabeth Brambilla
Sylvie Gazzeri
Beatrice Eymin
Inserm · FRUniversité Joseph Fourier · FRInstitut pour l'avancée des biosciences · FR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The transcription factor E2F1 belongs to the E2F family and plays a crucial role during cell cycle progression and apoptosis. Ser/Arg-Rich (SR) proteins are a family of RNA-binding phosphoproteins that control both constitutive and alternative pre-mRNA splicing events. We previously identified the SR protein SRSF2 as a new transcriptional target of E2F1 and demonstrated that both proteins cooperate to induce apoptosis in non-small cell lung carcinoma. In this study, we postulated that SRSF2 is also involved in the proliferative functions of E2F1. Using IHC, we first demonstrate that SRSF2 and its phosphorylated form (P-SRSF2) are overexpressed in neuroendocrine lung tumors that are highly proliferative tumors expressing high levels of E2F1. Importantly, we show a direct correlation between cyclin E, an E2F1-target gene controlling S phase, and P-SRSF2 proteins levels (p = 0.0083), suggesting a role of SRSF2 in E2F1-mediated cellular proliferation. Accordingly, using neuroendocrine lung carcinoma cell lines, we demonstrate that SRSF2 is a cell cycle-regulated protein involved in entry and progression into S phase. We also provide evidence that SRSF2 interacts with E2F1 and stimulates its transcriptional control of cell cycle target genes such as cyclin E. Finally, we show that inhibition of AKT signaling pathway prevents SRSF2 phosphorylation and activity toward E2F1 transcriptional function. Taken together, these results identify a new role of SRSF2 in the control of cell cycle progression and reinforce the functional link between SRSF2 and E2F1 proteins.

Indexed as

Blotting, WesternCarcinoma, NeuroendocrineCell Line, TumorCyclin EDNA PrimersE2F1 Transcription FactorFlow CytometryGene Expression Regulation, NeoplasticHumansImmunohistochemistryLuciferasesLung NeoplasmsNuclear ProteinsPhosphorylationReal-Time Polymerase Chain ReactionReverse Transcriptase Polymerase Chain ReactionCyclin EDNA PrimersE2F1 protein, humanE2F1 Transcription FactorLuciferasesNuclear ProteinsRibonucleoproteinsRNA, Small InterferingSerine-Arginine Splicing FactorsSRSF2 protein, humanAKTcellular proliferationE2F1neuroendocrine lung tumorsp45SKP2SRSF2

Identifiers

PMID23518498
PMCPMC3674091
OpenAlexW1988589816

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.