[Effects of human adipose-derived mesenchymal stem cells and platelet-rich plasma on healing of wounds with full-thickness skin defects in mice].

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

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Abstract (original English)

Objective: To investigate the effects of human adipose-derived mesenchymal stem cells (ADSCs) and platelet-rich plasma (PRP) on healing of wounds with full-thickness skin defects in mice. Methods: ADSCs were isolated from the lumbar and abdominal fat donated voluntarily by a healthy woman undergoing liposuction in the Department of Plastic Surgery of Guangzhou General Hospital of Guangzhou Military Area Command, and the cells were cultured and identified. ADSCs of the second passage were used in the following experiments. The venous blood of the volunteer was taken, and PRP was obtained by secondary centrifugation. Thirty-six C57BL/6 mice were divided into simple injury group ( n =12), simple ADSCs treatment group ( n =12), and ADSCs+ PRP treatment group ( n =12) according to the random number table. Each mouse was inflicted with a 1 cm×1 cm wound with full-thickness skin defect on the back. Immediately after injury, the wounds of mice in simple injury group were subcutaneously injected with 1 mL normal saline, the wounds of mice in simple ADSCs treatment group were subcutaneously injected with 1 mL phosphate buffer solution-blended ADSCs suspension (with concentration of 5×10(5) /mL, the same below), and the wounds of mice in ADSCs+ PRP treatment group were subcutaneously injected with 1 mL mixture of PRP and ADSCs (1∶2 volume ratio). Three mice in each group were taken on pos

Evidence level

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

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