Evidence map›Paper›PMID 20157537›Full record

ArticleAging2009

The relative contributions of the p53 and pRb pathways in oncogene-induced melanocyte senescence.

Sebastian Haferkamp, Sieu L Tran, Therese M Becker, Lyndee L Scurr, Richard F Kefford, Helen Rizos

Open access · hybridAbstract read
In one paragraph

Article in Aging, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 44 papers.

0numbers the graph read from it
0cells of the map it votes in
44citing papers in PubMed
3.8field-weighted citation impact, top 6% 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

44 citing papers in PubMed, 74 citations in OpenAlex.

  1. Article
  2. Article
  3. Review
  4. Review
  5. Article
  6. Review
  7. Review
  8. Review
  9. Article
  10. Review
  11. Review
  12. Review
  13. Integration of ALV intoOncotarget · 2017
    Article
  14. Review
  15. Article
  16. Article
  17. Review
  18. Review
  19. Article
  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

6 authors at 2 institutions in 1 country.

Sebastian HaferkampWestmead Institute for Cancer Research and Melanoma Institute of Australia, University of Sydney at Westmead, Westmead NSW 2145, Australia.
Sieu L Tran
Therese M Becker
Lyndee L Scurr
Richard F Kefford
Helen Rizos
Westmead Hospital · AUWestmead Institute · AU

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Oncogene-induced senescence acts as a barrier against tumour formation and has been implicated as the mechanism preventing the transformation of benign melanocytic lesions that frequently harbour oncogenic B-RAF or N-RAS mutations. In the present study we systematically assessed the relative importance of the tumour suppressor proteins p53, p21(Waf1), pRb and p16(INK4a) in mediating oncogene-induced senescence in human melanocytes. We now show that oncogenic N-RAS induced senescence in melanocytes is associated with DNA damage, a potent DNA damage response and the activation of both the p16(INK4a)/pRb and p53/p21(Waf1) tumour suppressor pathways. Surprisingly neither the pharmacological inhibition of the DNA damage response pathway nor silencing of p53 expression had any detectable impact on oncogene-induced senescence in human melanocytes. Our data indicate that the pRb pathway is the dominant effector of senescence in these cells, as its specific inactivation delays the onset of senescence and weakens oncogene-induced proliferative arrest. Furthermore, we show that although both p16(INK4a) and p21(Waf1) are upregulated in response to N-RAS(Q61K), the activities of these CDK inhibitors are clearly distinct and only the loss of p16(INK4a) weakens senescence. We propose that the ability of p16(INK4a) to inhibit the cyclin D-dependent kinases and DNA replication, functions not shared by p21(Waf1), contribute to its role in senescence. Thus, in melanocytes with oncogenic signalling only p16(INK4a) can fully engage the pRb pathway to alter chromatin structure and silence the genes that are required for proliferation.

Indexed as

Cell Line, TumorCell ProliferationCellular SenescenceCyclin-Dependent Kinase Inhibitor p16Cyclin-Dependent Kinase Inhibitor p21DNA DamageGene SilencingHumansMelanocytesRetinoblastomaTumor Suppressor Protein p53Cyclin-Dependent Kinase Inhibitor p16Cyclin-Dependent Kinase Inhibitor p21Tumor Suppressor Protein p53melanocytesOncogene-induced senescencep16p21p53pRb

Identifiers

PMID20157537
PMCPMC2806033
OpenAlexW1482332168

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.