Evidence map›Paper›PMID 28884783›Full record

ArticleALTEX2018

Ex vivo model unravelling cell distribution effect in hydrogels for cartilage repair.

Vivian H M Mouser, Noël M M Dautzenberg, Riccardo Levato, Mattie H P van Rijen, Wouter J A Dhert, Jos Malda, Debby Gawlitta

Open access · goldAbstract read
In one paragraph

Article in ALTEX, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
4.0field-weighted citation impact, top 6% 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

15 citing papers in PubMed, 31 citations in OpenAlex.

  1. Animal Models of Osteoarthritis: Updated Models and Outcome Measures 2016-2023.Regenerative engineering and translational medicine · 2024
    Article
  2. Isolation of Chondrons from Hyaline Cartilage.Methods in molecular biology (Clifton, N.J.) · 2023
    Article
  3. Article
  4. Review
  5. Osteoarthritis and cartilage open · 2021
    Article
  6. An ex vivo human osteochondral culture model.Journal of orthopaedic research : official publication of the Orthopaedic Research Society · 2021
    Article
  7. Development of anCartilage · 2021
    Article
  8. Review
  9. Article
  10. Article
  11. The evaluation of oxidative stress in osteoarthritis.Medicine and pharmacy reports · 2020
    Review
  12. Article
  13. Protocols for Culturing and Imaging a HumanMaterials (Basel, Switzerland) · 2019
    Article
  14. Review
  15. 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

7 authors at 1 institution in 1 country.

Vivian H M MouserDepartment of Orthopaedics, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands.
Noël M M DautzenbergDepartment of Orthopaedics, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands.
Riccardo LevatoDepartment of Orthopaedics, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands.
Mattie H P van RijenDepartment of Orthopaedics, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands.
Wouter J A DhertDepartment of Equine Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands.
Jos MaldaDepartment of Orthopaedics, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands.
Debby GawlittaDepartment of Oral and Maxillofacial Surgery & Special Dental Care, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands.
Utrecht University · NL

Funding

European Research Council 647426
6 · The paper itself

Abstract

The implantation of chondrocyte-laden hydrogels is a promising cartilage repair strategy. Chondrocytes can be spatially positioned in hydrogels and thus in defects, while current clinical cell therapies introduce chondrocytes in the defect depth. The main aim of this study was to evaluate the effect of spatial chondrocyte distribution on the reparative process. To reduce animal experiments, an ex vivo osteochondral plug model was used and evaluated. The role of the delivered and endogenous cells in the repair process was investigated. Full thickness cartilage defects were created in equine osteochondral plugs. Defects were filled with (A) chondrocytes at the bottom of the defect, covered with a cell-free hydrogel, (B) chondrocytes homogeneously encapsulated in a hydrogel, and (C, D) combinations of A and B with different cell densities. Plugs were cultured for up to 57 days, after which the cartilage and repair tissues were characterized and compared to baseline samples. Additionally, at day 21, the origin of cells in the repair tissue was evaluated. Best outcomes were obtained with conditions C and D, which resulted in well-integrated cartilage-like tissue that completely filled the defect, regardless of the initial cell density. A critical role of the spatial chondrocyte distribution in the repair process was observed. Moreover, the osteochondral plugs stimulated cartilage formation in the hydrogels when cultured in the defects. The resulting repair tissue originated from the delivered cells. These findings confirm the potential of the osteochondral plug model for the optimization of the composition of cartilage implants and for studying repair mechanisms.

Indexed as

HydrogelsAnimalsAnimal Testing AlternativesCartilageCells, CulturedChondrocytesHorsesTissue EngineeringHydrogelscartilage repairGelMA/gellan gumosteochondral plugregeneration

Identifiers

PMID28884783
PMCPMC7116182
OpenAlexW2753843980

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.