Evidence map›Paper›PMID 17897957›Full record

ArticleThe Journal of biological chemistry2007

Tumor necrosis factor-alpha augments matrix metalloproteinase-9 production in skeletal muscle cells through the activation of transforming growth factor-beta-activated kinase 1 (TAK1)-dependent signaling pathway.

Apurva K Srivastava, Xuezhong Qin, Nia Wedhas, Marc Arnush, Thomas A Linkhart, Robert B Chadwick, Ashok Kumar

Open access · hybridAbstract read
In one paragraph

Article in The Journal of biological chemistry, 2007. 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
3.1field-weighted citation impact, top 8% 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, 63 citations in OpenAlex.

  1. Review
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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

7 authors at 3 institutions in 1 country.

Apurva K SrivastavaJerry L. Pettis Memorial Veterans Affairs Medical Center, Loma Linda, California 92357, USA.
Xuezhong Qin
Nia Wedhas
Marc Arnush
Thomas A Linkhart
Robert B Chadwick
Ashok Kumar
Jerry L. Pettis Memorial VA Medical Center · USLoma Linda University · USUniversity of Louisville · US

Funding

Role of TWEAK in Skeletal Muscle MetabolismR01AG029623 · NIA · UNIVERSITY OF LOUISVILLE · PI KUMAR, ASHOK · 2007 to 2016
$2.8M
NIA NIH HHS R01 AG029623NIA NIH HHS R01 AG129623
6 · The paper itself

Abstract

We have investigated the effect of tumor necrosis factor-alpha (TNF-alpha) on the production of extracellular matrix-degrading proteases in skeletal muscles. Using microarray, quantitative PCR, Western blotting, and zymography, we found that TNF-alpha drastically increases the production of matrix metalloproteinase (MMP)-9 from C2C12 myotubes. In vivo administration of TNF-alpha in mice increased the transcript level of MMP-9 in skeletal muscle tissues. Although TNF-alpha activated all the three MAPKs (i.e. ERK1/2, JNK, and p38), inhibition of ERK1/2 or p38 but not JNK blunted the TNF-alpha-induced production of MMP-9 from myotubes. Inhibition of Akt also inhibited the TNF-alpha-induced production of MMP-9. TNF-alpha increased the activation of transcription factors NF-kappaB and AP-1 but not SP-1 in myotubes. Overexpression of a dominant negative inhibitor of NF-kappaB or AP-1 blocked the TNF-alpha-induced expression of MMP-9 in myotubes. Similarly, point mutations in AP-1- or NF-kappaB-binding sites in MMP-9 promoter inhibited the TNF-alpha-induced expression of a reporter gene. TNF-alpha increased the activity of transforming growth factor-beta-activating kinase-1 (TAK1). Furthermore, overexpression of a dominant negative mutant of TAK1 blocked the TNF-alpha-induced expression of MMP-9 and activation of NF-kappaB and AP-1. Our results also suggest that TNF-alpha induces MMP-9 expression in muscle cells through the recruitment of TRAF-2, Fas-associated protein with death domain, and TNF receptor-associated protein with death domain but not NIK or TRAF-6 proteins. We conclude that TAK1-mediated pathways are involved in TNF-alpha-induced MMP-9 production in skeletal muscle cells.

Indexed as

Signal TransductionAnimalsCell LineGene Expression Regulation, EnzymologicMAP Kinase Kinase Kinase 7MAP Kinase Kinase KinasesMatrix Metalloproteinase 9MiceMice, Inbred C57BLModels, BiologicalMuscle, SkeletalPlasmidsPoint MutationProtein BindingTransfectionTumor Necrosis Factor-alphaMAP Kinase Kinase Kinase 7MAP Kinase Kinase KinasesMatrix Metalloproteinase 9Tumor Necrosis Factor-alpha

Identifiers

PMID17897957
PMCPMC4154379
OpenAlexW1990054118

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.