Mesenchymal stem cells-derived exosomes alleviate temporomandibular joint disc degeneration in temporomandibular joint disorder.
Biochem Biophys Res Commun
; 726: 150278, 2024 Sep 24.
Article
in En
| MEDLINE
| ID: mdl-38936248
ABSTRACT
Temporomandibular joint (TMJ) disorder (TMD) is a chronic progressive disease that is commonly seen in clinical settings. TMJ disc degeneration is an important manifestation of TMD, and further aggravates the progression of TMD. However, treatments on TMJ disc degeneration are very limited till now. In this study, we first observed the effects of bone marrow stem cells (BMSC) conditioned medium on functions of TMJ disc fibroblasts. Then BMSC-derived small extracellular vesicles (BMSC-EVs) were isolated and exposed to TMJ disc fibroblasts. RNA-sequencing was used to further investigate the mechanisms. BMSC-EVs were finally injected into a rat model with TMD. Results showed that in the transwell co-culture system, the medium derived from BMSC reduced inflammation and enhanced chondrogenesis in TMJ disc fibroblasts. BMSC-EVs promoted proliferation, migration, and chondrogenic differentiation of TMJ disc fibroblasts, and inhibited apoptosis and inflammatory responses. Local injection of BMSC-EVs into the TMD model alleviated TMJ disc degeneration. Therefore, BMSC-EVs were a potentially effective, sustainable and clinically translational-promising option for TMJ disc degeneration, and further reduce the progression of TMD.
Key words
Full text:
1
Collection:
01-internacional
Database:
MEDLINE
Main subject:
Temporomandibular Joint Disorders
/
Rats, Sprague-Dawley
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Temporomandibular Joint Disc
/
Exosomes
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Mesenchymal Stem Cells
Limits:
Animals
/
Humans
/
Male
Language:
En
Journal:
Biochem Biophys Res Commun
Year:
2024
Document type:
Article
Affiliation country:
China
Country of publication:
Estados Unidos