Evidence map›Paper›PMID 15467756›Full record

ArticleOncogene2004

The PI 3-kinase/Akt signaling pathway is activated due to aberrant Pten expression and targets transcription factors NF-kappaB and c-Myc in pancreatic cancer cells.

Takayuki Asano, Yixin Yao, Jijiang Zhu, Donghui Li, James L Abbruzzese, Shrikanth A G Reddy

Erratum issuedAbstract read
PubMed Publisher
In one paragraph

Article in Oncogene, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 149 papers.

0numbers the graph read from it
0cells of the map it votes in
149citing papers in PubMed
5.2field-weighted citation impact, top 4% 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

149 citing papers in PubMed, 295 citations in OpenAlex.

  1. Trial
  2. Trial
  3. Oral mTOR inhibitor everolimus in patients with gemcitabine-refractory metastatic pancreatic cancer.Journal of clinical oncology : official journal of the American Society of Clinical Oncology · 2009
    Trial
  4. Article
  5. Article
  6. Review
  7. Article
  8. Article
  9. Article
  10. Article
  11. Article
  12. Article
  13. Article
  14. Review
  15. Article
  16. Review
  17. Target c-Myc to treat pancreatic cancer.Cancer biology & therapy · 2022
    Article
  18. Pancreatic Cancer: Beyond Brca Mutations.Journal of personalized medicine · 2022
    Review
  19. Review
  20. Review

89 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

  • Erratum issued
5 · Who and what money

Authors and funding

6 authors at 1 institution in 1 country.

Takayuki AsanoDepartment of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
Yixin Yao
Jijiang Zhu
Donghui Li
James L Abbruzzese
Shrikanth A G Reddy
The University of Texas MD Anderson Cancer Center · US

Funding

Tumor Evolution and Metastasis ProgramP30CA016672 · NCI · UNIVERSITY OF TX MD ANDERSON CAN CTR · PI Scott Kopetz · 1985 to 2026
$290.8M
NCI NIH HHS CA016672
6 · The paper itself

Abstract

The persistent activation of signaling cascades results in dramatic consequences that include loss of cellular growth control and neoplastic transformation. We show here that phosphoinositide 3-kinase (PI 3-kinase) and its mediator Akt were constitutively activated in pancreatic cancer and that this might be due to the aberrant expression of their natural antagonist MMAC/PTEN. Indeed, our results show that MMAC/PTEN expression was either lost or significantly reduced in five of eight cell lines and in twelve of seventeen tumor specimens examined. That the poor expression of MMAC/PTEN in pancreatic cancer cells could be due to promoter methylation was indicated by methylation-specific PCR analysis. Our studies also indicated that PI 3-kinase targeted two important transcription factors in pancreatic cancer cells. The ability of constitutively activated NF-kappaB to induce gene expression and the stabilization of c-MYC protein by decreased phosphorylation of Thr58 were both dependent on PI 3-kinase activity. When pancreatic cancer cells were treated with a peptide antagonist of NF-kappaB nuclear translocation, or stably transfected with a dominant-negative mutant of MYC, their proliferation was markedly inhibited. Taken together, these data indicate that the aberrant expression of MMAC/PTEN contributes to the activation of the PI 3-kinase/Akt pathway and its transcription factor mediators in pancreatic cancer.

Indexed as

Signal TransductionCell Line, TumorCell ProliferationHumansNF-kappa BPancreatic NeoplasmsPhosphatidylinositol 3-KinasesPhosphoric Monoester HydrolasesPhosphorylationProtein Serine-Threonine KinasesProto-Oncogene ProteinsProto-Oncogene Proteins c-aktProto-Oncogene Proteins c-mycPTEN PhosphohydrolaseThreonineTumor Suppressor ProteinsAKT1 protein, humanNF-kappa BPhosphatidylinositol 3-KinasesPhosphoric Monoester HydrolasesProtein Serine-Threonine KinasesProto-Oncogene ProteinsProto-Oncogene Proteins c-aktProto-Oncogene Proteins c-mycPTEN PhosphohydrolasePTEN protein, humanThreonineTumor Suppressor Proteins

Identifiers

PMID15467756
OpenAlexW2041234310

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.