[Proteomics analysis of the effect and mechanism of ADSCs on full-thickness skin defects in diabetic rats].

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 explore the effect and mechanism of adipose-derived mesenchymal stem cells (ADSCs) on full-thickness skin defects in diabetic rats using proteomics analysis. Methods: This study was a self-control design experimental study. Four 8 to 10 weeks old male Sprague-Dawley rats were selected, and ADSCs were extracted from their epididymal adipose tissue and successfully identified. The third passage of ADSCs were used for the following experiments. Twenty-four 4 to 6 weeks old male Sprague-Dawley rats were selected and the type 2 diabetes model was successfully established. Among them, 16 diabetic rats weighing 350 to 400 g were chosen, and a full-thickness skin defect wound was created on each side of the spine on their backs at the same level. Using the random number table method, the two wounds of each rat were included in experimental group and control group (with 16 wounds in each group), and the cell suspensions containing ADSCs and phosphate buffered saline were injected at multiple points around and at the base of the wounds immediately after injury, respectively. The wound healing rates were calculated at day 7, 10, and 14 after injury in rats. At day 7 after injury in rats, wound tissue was collected and proteins were extracted. Four-dimensional data-independent acquisition label-free quantitative proteomics technology was used for quantitative proteomics analy

Evidence level

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

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