Adipose Tissue-Derived Pericytes for Cartilage Tissue Engineering.

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)

Background Mesenchymal stem cells (MSCs) represent a promising alternative source for cartilage tissue engineering. However, MSC culture is labor-intensive, so these cells cannot be applied immediately to regenerate cartilage for clinical purposes. Risks during the ex vivo expansion of MSCs, such as infection and immunogenicity, can be a bottleneck in their use in clinical tissue engineering. As a novel stem cell source, pericytes are generally considered to be the origin of MSCs. Pericytes do not have to undergo time-consuming ex vivo expansion because they are uncultured cells. Adipose tissue is another optimal stem cell reservoir. Because adipose tissue is well vascularized, a considerable number of pericytes are located around blood vessels in this accessible and dispensable tissue, and autologous pericytes can be applied immediately for cartilage regeneration. Objective Thus, we suggest that adipose tissue-derived pericytes are promising seed cells for cartilage regeneration. Conclusion Many studies have been performed to develop isolation methods for the adipose tissuederived stromal vascular fraction (AT-SVF) using lipoaspiration and sorting pericytes from AT-SVF. These methods are useful for sorting a large number of viable pericytes for clinical therapy after being combined with automatic isolation using an SVF device and automatic magnetic-activated cell sorting. Thes

Evidence level

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

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