Evidence map›Paper›PMID 20020100›Full record

ArticleKnee surgery, sports traumatology, arthroscopy : official journal of the ESSKA2010

Chondrogenesis in a hyaluronic acid scaffold: comparison between chondrocytes and MSC from bone marrow and adipose tissue.

Rune B Jakobsen, Aboulghassem Shahdadfar, Finn P Reinholt, Jan E Brinchmann

Erratum issuedOpen access · hybridAbstract readComparative Study
PubMed Publisher
In one paragraph

Article in Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 37 papers.

0numbers the graph read from it
0cells of the map it votes in
37citing papers in PubMed
5.1field-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

37 citing papers in PubMed, 96 citations in OpenAlex.

  1. Article
  2. Article
  3. Review
  4. Review
  5. Article
  6. Article
  7. Article
  8. AnCartilage · 2021
    Article
  9. Review
  10. Article
  11. Article
  12. Article
  13. Article
  14. Article
  15. Article
  16. Regenerative approaches for the treatment of early OA.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2016
    Review
  17. Article
  18. Article
  19. Article
  20. Article
4 · The record

Corrections and comments

  • Erratum issued
5 · Who and what money

Authors and funding

4 authors at 1 institution in 1 country.

Rune B JakobsenInstitutes of Immunology and Pathology, Rikshospitalet University Hospital, 0027 Oslo, Norway. r.b.jakobsen@gmail.com
Aboulghassem Shahdadfar
Finn P Reinholt
Jan E Brinchmann
Oslo University Hospital · NO

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Treatment of focal lesions of the articular cartilage of the knee using chondrocytes in a hyaluronic acid (HA) scaffold is already being investigated in clinical trials. An alternative may be to use mesenchymal stem cells (MSC). We have compared articular chondrocytes with MSC from human bone marrow (BM) and adipose tissue (AT), all cultured in HA scaffolds, for their ability to express genes and synthesize proteins associated with chondrogenesis. The cells were expanded in monolayer cultures. After seeding into the scaffold, the chondrocytes were maintained in medium, while the two MSC populations were given a chondrogenic differentiation medium. Chondrogenesis was assessed by real-time RT-PCR for chondrocyte-associated genes, by immunohistochemistry and by ELISA for collagens in the supernatant. Redifferentiation of the dedifferentiated chondrocytes in the HA scaffold was shown by a modest increase in type II collagen mRNA (COL2A1) and reduction in COL1A1. BM-MSC expressed 600-fold higher levels of COL2A1 than chondrocytes after 3 weeks in the scaffold. The levels of aggrecan (AGC1) and COL1A1 were similar for chondrocyte and BM-MSC scaffold cultures, while COL10A1 was higher in the BM-MSC. AT-MSC expressed levels of COL2A1 and COL1A1 similar to chondrocytes, but less AGC1 and COL10A1. Surprisingly, little collagen II protein was observed in the scaffold. Instead, collagen II was found in the culture medium. Chondrogenesis in HA scaffolds was more efficient using BM-MSC than AT-MSC or chondrocytes. Some of the secreted collagen II escaped entrapment in the extracellular space and was detected in the culture medium.

Indexed as

Tissue ScaffoldsAdultAnalysis of VarianceBone Marrow CellsCartilage, ArticularCell DifferentiationCells, CulturedChondrogenesisCohort StudiesEnzyme-Linked Immunosorbent AssayFemaleHumansHyaluronic AcidImmunohistochemistryMaleMesenchymal Stem CellsHyaluronic AcidRNA, Messenger

Identifiers

PMID20020100
OpenAlexW2053175780

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.