Andrographolide attenuates synovial inflammation of osteoarthritis by interacting with tumor necrosis factor receptor 2 trafficking in a rat model.
Andrographolide
NF-κB
OA treatment
Synovial inflammation
TNFR2 trafficking
Journal
Journal of orthopaedic translation
ISSN: 2214-031X
Titre abrégé: J Orthop Translat
Pays: Singapore
ID NLM: 101625127
Informations de publication
Date de publication:
Jul 2021
Jul 2021
Historique:
received:
18
01
2021
revised:
28
04
2021
accepted:
03
05
2021
entrez:
7
6
2021
pubmed:
8
6
2021
medline:
8
6
2021
Statut:
epublish
Résumé
Synovial inflammation plays a major role in the pathogenesis of osteoarthritis (OA). This study investigated the effect of andrographolide (Andro) on synovial inflammation mediated by tumor necrosis factor-alpha receptor 2 (TNFR2) trafficking and its utility in attenuating OA progression. Knee joints were harvested from rats subjected to radial transection of the medial collateral ligament (MCLT) and medial meniscus (MMT) to examine the effect of Andro on synovial inflammation and OA progression. Quantitative real-time polymerase chain reaction was used to evaluate the expression of inflammatory factors in primary fibroblast-like synoviocytes (FLSs) after Andro treatment Andro treatment was found to reduce synovial inflammation and OA progression Andro could suppress synovial inflammation via regulation of TNFR2 trafficking and degradation. This also suggests it could be a potential treatment for the prevention of synovial inflammation and OA progression. This study provides strong evidence that Andro reduces NF-κB activation and inflammatory responses in OA FLSs via regulation of TNFR2 trafficking. The inhibition of TNFR2 and Andro could be a novel therapeutic approach for OA and pain management.
Sections du résumé
BACKGROUND
BACKGROUND
Synovial inflammation plays a major role in the pathogenesis of osteoarthritis (OA). This study investigated the effect of andrographolide (Andro) on synovial inflammation mediated by tumor necrosis factor-alpha receptor 2 (TNFR2) trafficking and its utility in attenuating OA progression.
METHODS
METHODS
Knee joints were harvested from rats subjected to radial transection of the medial collateral ligament (MCLT) and medial meniscus (MMT) to examine the effect of Andro on synovial inflammation and OA progression. Quantitative real-time polymerase chain reaction was used to evaluate the expression of inflammatory factors in primary fibroblast-like synoviocytes (FLSs) after Andro treatment
RESULTS
RESULTS
Andro treatment was found to reduce synovial inflammation and OA progression
CONCLUSIONS
CONCLUSIONS
Andro could suppress synovial inflammation via regulation of TNFR2 trafficking and degradation. This also suggests it could be a potential treatment for the prevention of synovial inflammation and OA progression.
THE TRANSLATIONAL POTENTIAL OF THIS ARTICLE
UNASSIGNED
This study provides strong evidence that Andro reduces NF-κB activation and inflammatory responses in OA FLSs via regulation of TNFR2 trafficking. The inhibition of TNFR2 and Andro could be a novel therapeutic approach for OA and pain management.
Identifiants
pubmed: 34094861
doi: 10.1016/j.jot.2021.05.001
pii: S2214-031X(21)00032-2
pmc: PMC8144533
doi:
Types de publication
Journal Article
Langues
eng
Pagination
89-99Informations de copyright
© 2021 Published by Elsevier (Singapore) Pte Ltd on behalf of Chinese Speaking Orthopaedic Society.
Déclaration de conflit d'intérêts
The authors have declared no conflicts of interest.
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