Comparison efficacy of ESWT and Wharton's jelly mesenchymal stem cell in early osteoarthritis of rat knee

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

Application of extracorporeal shockwave therapy (ESWT) to the subchondral bone of medial tibia condyle has shown chondroprotective effects of the knee with decreased cartilage degradation and improved subchondral bone remodeling in the osteoarthritis (OA) of rat knee. Recently, transplantation of ex vivo preparations of mesenchymal stem cells (MSCs) to animal or human joints with OA seems to induce therapeutically effective repair because of paracrine responses from host cells including progenitor cells residing within the synovium. This study compared ESWT, Wharton's jelly mesenchymal stem cells (WJMSCs) and combination of ESWT and WJMSCs therapies for early OA of the rat knee. The results showed ESWT, WJMSCs and combination of therapies significantly improved early OA knee based on analysis of pathological findings, micro-CT and immunohistochemistry (IHC) stain. The combined therapy group increased the bone volume (61.755 ± 1.537), and trabecular thickness (0.215 ± 0.014; P P < 0.001) when compared with ESWT (6.97 ± 0.54) and ESWT combined with WJMSCs (8.87 ± 0.31) in OA knee. In mechanistic factors analysis, the synergistic effect was observed by ESWT combined with WJMSCs in the expression of RUNX-2, SOX-9 and Collagen Xα1 on OA knee. Our results provided the innovative information of ESWT, and WJMSCs in the treatment of early osteoarthritis of the knee in rats.

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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