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Protective Effects of Phellinus linteus Mycelium on the Development of Osteoarthritis after Monosodium Iodoacetate Injection.
- Source :
- Evidence-based Complementary & Alternative Medicine (eCAM); 8/18/2020, p1-12, 12p, 1 Diagram, 3 Charts, 5 Graphs
- Publication Year :
- 2020
-
Abstract
- Objective. The aim of this study was to identify the protective effects of Phellinus linteus mycelium (PLM) and its possible mechanisms in a model of monosodium iodoacetate- (MIA-) induced osteoarthritis (OA). Methods. Intra-articular injection of MIA was injected to 50 μL with 80 mg/mL using a 0.3 mL insulin syringe into the right knee joint. Changes in hindpaw weight-bearing distribution between the right (osteoarthritic) and left (contralateral control) legs were used as an index of joint discomfort. PLM (50, 100, and 200 mg/kg body weight) was orally administered once daily for 14 days from day 7 after MIA treatment. And then, various factors associated with inflammatory response and cartilage degeneration in cartilage tissues detected by western blotting. Results. PLM treatment showed a concentration-dependent elevation in change in hindpaw weight-bearing distribution (HWBD). PLM200 demonstrated the capacity to significantly increase HWBD, indicating that the change in weight-bearing distribution means the reduction of spontaneous pain. Our results indicate that PLM suppressed the inflammatory factors via NF-κB signaling pathway induced by p38 phosporlyation. Moreover, PLM200 exhibited a significant reduction of ROS produced by the nicotinamide adenine dinucleotide phosphate (NADPH) oxidase. PLM100 and PLM200 inhibited the levels of matrix metalloproteinase (MMP)-1, one of proteinase that degrades extracellular matrix (ECM). Conclusions. Taken together, our results indicated that PLM has a strong chondroprotective effect through the suppression both ROS production and inflammation. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 1741427X
- Database :
- Complementary Index
- Journal :
- Evidence-based Complementary & Alternative Medicine (eCAM)
- Publication Type :
- Academic Journal
- Accession number :
- 145188014
- Full Text :
- https://doi.org/10.1155/2020/7240858