Evidence map›Paper›PMID 16731008›Full record

ArticleOsteoarthritis and cartilage2006

Biomechanical signals exert sustained attenuation of proinflammatory gene induction in articular chondrocytes.

S Madhavan, M Anghelina, B Rath-Deschner, E Wypasek, A John, J Deschner, N Piesco, S Agarwal

Open access · bronzeAbstract read
In one paragraph

Article in Osteoarthritis and cartilage, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
34citing papers in PubMed, 3 pooled it
5.5field-weighted citation impact, top 5% 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

34 citing papers in PubMed, 3 syntheses or guidelines pooled it, 66 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. The basic science of continuous passive motion in promoting knee health: a systematic review of studies in a rabbit model.Arthroscopy : the journal of arthroscopic & related surgery : official publication of the Arthroscopy Association of North America and the International Arthroscopy Association · 2013
    Pooled it
  4. Review
  5. Oxymatrine Protects Chondrocytes against IL-1Evidence-based complementary and alternative medicine : eCAM · 2022
    Article
  6. Chemokine (C-C Motif) Ligand 2/Chemokine Receptor 2 (CCR2) Axis Blockade to Delay Chondrocyte Hypertrophy as a Therapeutic Strategy for Osteoarthritis.Medical science monitor : international medical journal of experimental and clinical research · 2021
    Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. Article
  12. Mechanosignaling in bone health, trauma and inflammation.Antioxidants & redox signaling · 2014
    Review
  13. Article
  14. Article
  15. Article
  16. Article
  17. Article
  18. Mechanotransduction and cartilage integrity.Annals of the New York Academy of Sciences · 2011
    Review
  19. Article
  20. Biological basis of exercise-based treatments for musculoskeletal conditions.PM & R : the journal of injury, function, and rehabilitation · 2011
    Review
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 2 institutions in 1 country.

S MadhavanDepartment of Oral Biology, The Ohio State University, Columbus, OH 43210, USA.
M Anghelina
B Rath-Deschner
E Wypasek
A John
J Deschner
N Piesco
S Agarwal
The Ohio State University · USUniversity of Pittsburgh · US

Funding

Inflammation of TMJDs: Role of Biomechanical SignalsR01DE015399 · NIDCR · OHIO STATE UNIVERSITY · PI AGARWAL, SUDHA · 2003 to 2006
$1.4M
STRESS-INDUCED ANTI-INFLAMMATORY SIGNALS IN CHONDROCYTESR01AT000646 · NCCIH · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI AGARWAL, SUDHA · 2000 to 2004
$1.1M
NCCIH NIH HHS AT00646NCCIH NIH HHS R01 AT000646NIAMS NIH HHS AR04878NIDCR NIH HHS DE015399NIDCR NIH HHS R01 DE015399
6 · The paper itself

Abstract

objectivesPhysical therapies are commonly used for limiting joint inflammation. To gain insight into their mechanisms of actions for optimal usage, we examined persistence of mechanical signals generated by cyclic tensile strain (CTS) in chondrocytes, in vitro. We hypothesized that mechanical signals induce anti-inflammatory and anabolic responses that are sustained over extended periods.

methodsArticular chondrocytes obtained from rats were subjected to CTS for various time intervals followed by a period of rest, in the presence of interleukin-1beta (IL-1beta). The induction for cyclooxygenase (COX-2), inducible nitric oxide synthase (iNOS), matrix metalloproteinase (MMP)-9, MMP-13 and aggrecan was analyzed by real-time polymerase chain reaction (PCR), Western blot analysis and immunofluorescence.

resultsExposure of chondrocytes to constant CTS (3% CTS at 0.25 Hz) for 4-24 h blocked more than 90% (P<0.05) of the IL-1beta-induced transcriptional activation of proinflammatory genes, like iNOS, COX-2, MMP-9 and MMP-13, and abrogated inhibition of aggrecan synthesis. CTS exposure for 4, 8, 12, 16, or 20 h followed by a rest for 20, 16, 12, 8 or 4h, respectively, revealed that 8h of CTS optimally blocked (P<0.05) IL-1beta-induced proinflammatory gene induction for ensuing 16 h. However, CTS for 8h was not sufficient to inhibit iNOS expression for ensuing 28 or 40 h.

conclusionsData suggest that constant application of CTS blocks IL-1beta-induced proinflammatory genes at transcriptional level. The signals generated by CTS are sustained after its removal, and their persistence depends upon the length of CTS exposure. Furthermore, the sustained effects of mechanical signals are also reflected in their ability to induce aggrecan synthesis. These findings, once extrapolated to human chondrocytes, may provide insight in obtaining optimal sustained effects of physical therapies in the management of arthritic joints.

Indexed as

AggrecansAnimalsCartilage, ArticularChondrocytesInterleukin-1betaMatrix MetalloproteinasesNitric Oxide SynthaseProstaglandin-Endoperoxide SynthasesRatsStress, MechanicalAggrecansInterleukin-1betaMatrix MetalloproteinasesNitric Oxide SynthaseProstaglandin-Endoperoxide Synthases

Identifiers

PMID16731008
PMCPMC4950917
OpenAlexW2103614858

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.