Evidence map›Paper›PMID 21445100›Full record

ArticleCell research2011

Regulation of cellular senescence by the essential caveolar component PTRF/Cavin-1.

Lin Bai, Xiaoli Deng, Juanjuan Li, Miao Wang, Qian Li, Wei An, Deli A, Yu-Sheng Cong

Open access · bronzeAbstract read
In one paragraph

Article in Cell research, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers.

0numbers the graph read from it
0cells of the map it votes in
37citing papers in PubMed
3.0field-weighted citation impact, top 9% 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

37 citing papers in PubMed, 66 citations in OpenAlex.

  1. Article
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  11. Review
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  13. Article
  14. Article
  15. Lessons from cavin-1 deficiency.Biochemical Society transactions · 2020
    Review
  16. Caveolae as Potential Hijackable Gates in Cell Communication.Frontiers in cell and developmental biology · 2020
    Review
  17. Geroscience infrastructure building in China.Aging medicine (Milton (N.S.W)) · 2019
    Article
  18. Article
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  20. 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

8 authors at 1 institution in 1 country.

Lin BaiKey Lab of Cell Proliferation and Regulation Biology of the Ministry of Education, Institute of Cell Biology, Beijing Normal University, 19 Xin Jie Kou Wai Avenue, Beijing 100875, China.
Xiaoli Deng
Juanjuan Li
Miao Wang
Qian Li
Wei An
Deli A
Yu-Sheng Cong
Beijing Normal University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Polymerase I and transcript release factor (PTRF, also known as Cavin-1) is an essential component in the biogenesis and function of caveolae. Here, we show that PTRF expression is increased in senescent human fibroblasts. Importantly, overexpression of PTRF induced features characteristic of cellular senescence, whereas reduced PTRF expression extended the cellular replicative lifespan. Interestingly, we found that PTRF localized primarily to the nuclei of young and quiescent WI-38 human fibroblasts, but translocated to the cytosol and plasma membrane during cellular senescence. Furthermore, electron microscopic analysis demonstrated an increased number of caveolar structures in senescent and PTRF-transfected WI-38 cells. Our data suggest that the role of PTRF in cellular senescence is dependent on its targeting to caveolae and its interaction with caveolin-1, which appeared to be regulated by the phosphorylation of PTRF. Taken together, our findings identify PTRF as a novel regulator of cellular senescence that acts through the p53/p21 and caveolar pathways.

Indexed as

Cellular SenescenceGene Expression RegulationCaveolaeCell LineFibroblastsHumansMutationRNA-Binding ProteinsCAVIN1 protein, humanRNA-Binding Proteins

Identifiers

PMID21445100
PMCPMC3193497
OpenAlexW2026468191

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.