Evidence map›Paper›PMID 24007885›Full record

ArticleOsteoarthritis and cartilage2013

Moderate dynamic compression inhibits pro-catabolic response of cartilage to mechanical injury, tumor necrosis factor-α and interleukin-6, but accentuates degradation above a strain threshold.

Y Li, E H Frank, Y Wang, S Chubinskaya, H-H Huang, A J Grodzinsky

Open access · bronzeAbstract read
In one paragraph

Article in Osteoarthritis and cartilage, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 56 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
56citing papers in PubMed, 2 pooled it
6.8field-weighted citation impact, top 3% 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

56 citing papers in PubMed, 2 syntheses or guidelines pooled it, 110 citations in OpenAlex.

  1. TNFα-Related Chondrocyte Inflammation Models: A Systematic Review.International journal of molecular sciences · 2024
    Pooled it
  2. Pooled it
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  10. Loss of collagen content is localized near cartilage lesions on the day of injurious loading and intensified on day 12.Journal of orthopaedic research : official publication of the Orthopaedic Research Society · 2025
    Article
  11. Article
  12. Article
  13. Aged tendons lack adaptive response to acute compressive injury.Journal of orthopaedic research : official publication of the Orthopaedic Research Society · 2024
    Article
  14. Review
  15. 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

6 authors at 2 institutions in 1 country.

Y LiMassachusetts Institute of Technology, Cambridge, MA, USA.
E H Frank
Y Wang
S Chubinskaya
H-H Huang
A J Grodzinsky
Massachusetts Institute of Technology · USRush University Medical Center · US

Funding

MECHANISMS OF CHONDROCYTE RESPONSE TO MECHANICAL STIMULIR01AR045779 · NIAMS · MASSACHUSETTS INSTITUTE OF TECHNOLOGY · PI GRODZINSKY, ALAN J. · 1998 to 2008
$2.1M
Cartilage Repair Using Self Assembling Peptide ScaffoldsR01AR060331 · NIAMS · MASSACHUSETTS INSTITUTE OF TECHNOLOGY · PI GRODZINSKY, ALAN J. · 2012 to 2016
$1.7M
NIAMS NIH HHS AR045779NIAMS NIH HHS AR060331NIAMS NIH HHS R01 AR045779NIAMS NIH HHS R01 AR060331
6 · The paper itself

Abstract

objectiveTraumatic joint injury can initiate early cartilage degeneration in the presence of elevated inflammatory cytokines (e.g., tumor necrosis factor (TNF)-α and interleukin (IL)-6). The positive/negative effects of post-injury dynamic loading on cartilage degradation and repair in vivo are not well-understood. This study examined the effects of dynamic strain on immature bovine cartilage in vitro challenged with TNF-α + IL-6 and its soluble receptor (sIL-6R) with/without initial mechanical injury.

methodsGroups of mechanically injured or non-injured explants were cultured in TNF-α + IL-6/sIL-6R for 8 days. Intermittent dynamic compression was applied concurrently at 10%, 20%, or 30% strain amplitude. Outcome measures included sulfated glycosaminoglycan (sGAG) loss (dimethylmethylene blue (DMMB)), aggrecan biosynthesis ((35)S-incorporation), aggrecanase activity (Western blot), chondrocyte viability (fluorescence staining) and apoptosis (nuclear blebbing via light microscopy), and gene expression (qPCR).

resultsIn bovine explants, cytokine alone and injury-plus-cytokine treatments markedly increased sGAG loss and aggrecanase activity, and induced chondrocyte apoptosis. These effects were abolished by moderate 10% and 20% strains. However, 30% strain amplitude greatly increased apoptosis and had no inhibitory effect on aggrecanase activity. TNF + IL-6/sIL-6R downregulated matrix gene expression and upregulated expression of inflammatory genes, effects that were rescued by moderate dynamic strains but not by 30% strain.

conclusionsModerate dynamic compression inhibits the pro-catabolic response of cartilage to mechanical injury and cytokine challenge, but there is a threshold strain amplitude above which loading becomes detrimental to cartilage. Our findings support the concept of appropriate loading for post-injury rehabilitation.

Indexed as

Stress, MechanicalAggrecansAnimalsApoptosisCartilage, ArticularCattleCell SurvivalChondrocytesCollagen Type IICytokinesDown-RegulationEndopeptidasesGene Expression RegulationGlycosaminoglycansInterleukin-6Receptors, Interleukin-6A73025aggrecanaseAggrecansCollagen Type IICytokinesEndopeptidasesGlycosaminoglycansInterleukin-6Receptors, Interleukin-6Tumor Necrosis Factor-alphaApoptosisCartilageCytokinesDynamic compressionInjuryRehabilitation post-injury

Identifiers

PMID24007885
PMCPMC3855909
OpenAlexW1965309240

What OpenQuestion holds

Textmetadata
LicenceTDM
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.