Markers for the angiogenic potential of fat grafts.

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 Fat grafting is widely utilized in reconstructive and esthetic plastic surgery, typically with minimal complications. Nevertheless, the occurrence of fat necrosis is dependent on the technique used for fat extraction, tissue processing and the volume of the graft. The longevity of the graft critically depends on the presence of adipose-derived stromal cells (ADSC) and their promotion of a reconstituted vascular supply. Objective This study seeks to determine whether there are differences in 13 angiogenesis-related adipokines based on their grouping by vascular endothelial growth factor (VEGF) expression levels. Methods The expression of 14 adipokines related to angiogenesis in 12 cultured ADSCs was evaluated using Human Adipokine Profiler kits, which simultaneously detect 58 mediators. Adipokines of the high and low VEGF expression groups were evaluated for their expression of the remaining 13 angiogenic proteins. Results We were able to show that there are significant differences in VEGF low and VEGF high ADSCs regarding fibroblast growth factor 19 (p = 0.043) and insulin like growth factor binding protein 3 (p = 0.028). Furthermore, ADSCs with differentially highly expressed VEGF show a different pattern in the amount of protein levels regarding the 13 other adipokines observed. Conclusion The VEGF has been described as a key angiogenic factor in fat grafts that ma

Evidence level

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

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