Evidence map›Paper›PMID 24013824›Full record

ArticlePloS one2013

Region specific response of intervertebral disc cells to complex dynamic loading: an organ culture study using a dynamic torsion-compression bioreactor.

Samantha C W Chan, Jochen Walser, Patrick Käppeli, Mohammad Javad Shamsollahi, Stephen J Ferguson, Benjamin Gantenbein-Ritter

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 46 papers.

0numbers the graph read from it
0cells of the map it votes in
46citing papers in PubMed
5.1field-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

46 citing papers in PubMed, 90 citations in OpenAlex.

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  14. Inhibition of the extracellular signal-regulated kinase pathway reduces the inflammatory component in nucleus pulposus cells.Journal of orthopaedic research : official publication of the Orthopaedic Research Society · 2022
    Article
  15. Integration of clinical perspective into biomimetic bioreactor design for orthopedics.Journal of biomedical materials research. Part B, Applied biomaterials · 2022
    Review
  16. Immuno-Modulatory Effects of Intervertebral Disc Cells.Frontiers in cell and developmental biology · 2022
    Review
  17. Article
  18. Article
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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 3 institutions in 1 country.

Samantha C W ChanTissue and Organ Mechanobiology group, Institute for Surgical Technology & Biomechanics, University of Bern, Bern, Switzerland.
Jochen Walser
Patrick Käppeli
Mohammad Javad Shamsollahi
Stephen J Ferguson
Benjamin Gantenbein-Ritter
University of Bern · CHETH Zurich · CHInstitute for Biomedical Engineering · CH

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The spine is routinely subjected to repetitive complex loading consisting of axial compression, torsion, flexion and extension. Mechanical loading is one of the important causes of spinal diseases, including disc herniation and disc degeneration. It is known that static and dynamic compression can lead to progressive disc degeneration, but little is known about the mechanobiology of the disc subjected to combined dynamic compression and torsion. Therefore, the purpose of this study was to compare the mechanobiology of the intervertebral disc when subjected to combined dynamic compression and axial torsion or pure dynamic compression or axial torsion using organ culture. We applied four different loading modalities [1. control: no loading (NL), 2. cyclic compression (CC), 3. cyclic torsion (CT), and 4. combined cyclic compression and torsion (CCT)] on bovine caudal disc explants using our custom made dynamic loading bioreactor for disc organ culture. Loads were applied for 8 h/day and continued for 14 days, all at a physiological magnitude and frequency. Our results provided strong evidence that complex loading induced a stronger degree of disc degeneration compared to one degree of freedom loading. In the CCT group, less than 10% nucleus pulposus (NP) cells survived the 14 days of loading, while cell viabilities were maintained above 70% in the NP of all the other three groups and in the annulus fibrosus (AF) of all the groups. Gene expression analysis revealed a strong up-regulation in matrix genes and matrix remodeling genes in the AF of the CCT group. Cell apoptotic activity and glycosaminoglycan content were also quantified but there were no statistically significant differences found. Cell morphology in the NP of the CCT was changed, as shown by histological evaluation. Our results stress the importance of complex loading on the initiation and progression of disc degeneration.

Indexed as

Up-RegulationAnimalsBioreactorsCattleCompressive StrengthExtracellular MatrixExtracellular Matrix ProteinsIntervertebral DiscIntervertebral Disc DegenerationOrgan Culture TechniquesWeight-BearingExtracellular Matrix Proteins

Identifiers

PMID24013824
PMCPMC3755972
OpenAlexW2092899908

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.