In major joint diseases the human synovium retains its potential to form repair cartilage.
Journal
Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288
Informations de publication
Date de publication:
26 06 2023
26 06 2023
Historique:
received:
27
01
2023
accepted:
09
05
2023
medline:
28
6
2023
pubmed:
27
6
2023
entrez:
26
6
2023
Statut:
epublish
Résumé
The inner surface layer of human joints, the synovium, is a source of stem cells for the repair of articular cartilage defects. We investigated the potential of the normal human synovium to form novel cartilage and compared its chondrogenic capacity with that of two patient groups suffering from major joint diseases: young adults with femoro-acetabular impingement syndromes of the hip (FAI), and elderly individuals with osteoarthritic degeneration of the knee (OA). Synovial membrane explants of these three patient groups were induced in vitro to undergo chondrogenesis by growth factors: bone morphogenetic protein-2 (BMP-2) alone, transforming growth factor-β1 (TGF-β1) alone, or a combination of these two. Quantitative evaluations of the newly formed cartilages were performed respecting their gene activities, as well as the histochemical, immunhistochemical, morphological and histomorphometrical characteristics. Formation of adult articular-like cartilage was induced by the BMP-2/TGF-β1 combination within all three groups, and was confirmed by adequate gene-expression levels of the anabolic chondrogenic markers; the levels of the catabolic markers remained low. Our data reveal that the chondrogenic potential of the normal human synovium remains uncompromised, both in FAI and OA. The potential of synovium-based clinical repair of joint cartilage may thus not be impaired by age-related joint pathologies.
Identifiants
pubmed: 37365169
doi: 10.1038/s41598-023-34841-1
pii: 10.1038/s41598-023-34841-1
pmc: PMC10293277
doi:
Substances chimiques
Transforming Growth Factor beta1
0
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
10375Subventions
Organisme : Swiss National Science Foundation
ID : 32003B_169231
Pays : Switzerland
Informations de copyright
© 2023. The Author(s).
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