Evidence map›Paper›PMID 19696221›Full record

ArticleFASEB journal : official publication of the Federation of American Societies for Experimental Biology2009

Transcriptional repression of Kruppel like factor-2 by the adaptor protein p66shc.

Ajay Kumar, Timothy A Hoffman, Jeremy Dericco, Asma Naqvi, Mukesh K Jain, Kaikobad Irani

Open access · greenAbstract read
In one paragraph

Article in FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
0.7field-weighted citation impact, top 30% 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

15 citing papers in PubMed, 30 citations in OpenAlex.

  1. Review
  2. Article
  3. Review
  4. KLF2 in Regulation of NF-κB-Mediated Immune Cell Function and Inflammation.International journal of molecular sciences · 2017
    Review
  5. Insights into the Shc Family of Adaptor Proteins.Journal of molecular signaling · 2017
    Article
  6. Review
  7. Article
  8. Article
  9. Article
  10. Article
  11. Thrombomodulin and the vascular endothelium: insights into functional, regulatory, and therapeutic aspects.American journal of physiology. Heart and circulatory physiology · 2013
    Review
  12. Activated protein C ameliorates diabetic nephropathy by epigenetically inhibiting the redox enzyme p66Shc.Proceedings of the National Academy of Sciences of the United States of America · 2013
    Article
  13. Article
  14. Review
  15. p53 impairs endothelial function by transcriptionally repressing Kruppel-Like Factor 2.Arteriosclerosis, thrombosis, and vascular biology · 2011
    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.

Ajay KumarCardiovascular Institute, University of Pittsburgh Medical Center, 623S Scaife Hall, 200 Lothrop St., Pittsburgh, PA 15213, USA. kumara@upmc.edu
Timothy A Hoffman
Jeremy Dericco
Asma Naqvi
Mukesh K Jain
Kaikobad Irani
University of Pittsburgh Medical Center · USUniversity School · US

Funding

Stat3 in Post-Ischemic Myocardial InflammationP01HL065608 · NHLBI · JOHNS HOPKINS UNIVERSITY · PI BECKER, LEWIS C · 2000 to 2011
$22.0M
Redox-and acetylation-dependent control of vascular toneR01HL070929 · NHLBI · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI IRANI, KAIKOBAD J. · 2002 to 2011
$3.3M
KLF2 as a regulator of endothelial cell biologyR01HL076754 · NHLBI · CASE WESTERN RESERVE UNIVERSITY · PI JAIN, MUKESH KUMAR · 2004 to 2012
$3.2M
Transcriptional and Epigenetic regulation of P66shc: relevance to endothelial funR01HL094959 · NHLBI · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI IRANI, KAIKOBAD J. · 2009 to 2010
$758k
NHLBI NIH HHS P01 HL065608NHLBI NIH HHS R01 HL070929NHLBI NIH HHS R01 HL076754NHLBI NIH HHS R01 HL094959
6 · The paper itself

Abstract

The adaptor protein p66shc promotes cellular oxidative stress and apoptosis. Here, we demonstrate a novel mechanistic relationship between p66shc and the kruppel like factor-2 (KLF2) transcription factor and show that this relationship has biological relevance to p66shc-regulated cellular oxidant level, as well as KLF2-induced target gene expression. Genetic knockout of p66shc in mouse embryonic fibroblasts (MEFs) stimulates activity of the core KLF2 promoter and increases KLF2 mRNA and protein expression. Similarly, shRNA-induced knockdown of p66shc increases KLF2-promoter activity in HeLa cells. The increase in KLF2-promoter activity in p66shc-knockout MEFs is dependent on a myocyte enhancing factor-2A (MEF2A)-binding sequence in the core KLF2 promoter. Short-hairpin RNA-induced knockdown of p66shc in endothelial cells also stimulates KLF2 mRNA and protein expression, as well as expression of the endothelial KLF2 target gene thrombomodulin. MEF2A protein and mRNA are more abundant in p66shc-knockout MEFs, resulting in greater occupancy of the KLF2 promoter by MEF2A. In endothelial cells, the increase in KLF2 and thrombomodulin protein by shRNA-induced decrease in p66shc expression is partly abrogated by knockdown of MEF2A. Finally, knockdown of KLF2 abolishes the decrease in the cellular reactive oxygen species hydrogen peroxide observed with knockdown of p66shc, and KLF2 overexpression suppresses cellular hydrogen peroxide levels, independent of p66shc expression. These findings illustrate a novel mechanism by which p66shc promotes cellular oxidative stress, through suppression of MEF2A expression and consequent repression of KLF2 transcription.

Indexed as

Down-RegulationTranscription, GeneticAnimalsEndothelial CellsHeLa CellsHumansKruppel-Like Transcription FactorsMADS Domain ProteinsMEF2 Transcription FactorsMiceMyogenic Regulatory FactorsNF-kappa BReactive Oxygen SpeciesShc Signaling Adaptor ProteinsSrc Homology 2 Domain-Containing, Transforming Protein 1KLF2 protein, humanKruppel-Like Transcription FactorsMADS Domain ProteinsMEF2A protein, humanMEF2 Transcription FactorsMyogenic Regulatory FactorsNF-kappa BReactive Oxygen SpeciesSHC1 protein, humanShc Signaling Adaptor ProteinsSrc Homology 2 Domain-Containing, Transforming Protein 1

Identifiers

PMID19696221
PMCPMC2812051
OpenAlexW2105830428

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.