Table 3. PL, PRP, and AA–PRP growth factor concentrations.
| Growth factor | Regen BCT | Arthrex angel system | ||||
|---|---|---|---|---|---|---|
| PRP | AA–PRP | PRP | PL–short† | PL–long‡ | ||
| IGF-1 (ng mL−1) | 130±20 | 140±20 | 150±40 | 140±40 | 150±40 | |
| TGF-β1 (ng mL−1) | 11±2 | 15±3 | 12±1 | 50±8 | 93±30 | |
| PDGF-BB | 1.2±0.3 | 4±2 | 1.1±0.6 | 19±0 | 24±2 | |
| VEGF (pg mL−1) | 61±20 | 210±40 | 61±20 | 920±30 | 1630±470 | |
†, PL generated from 15 min total sonication time; ‡, PL generated from 30 min total sonication time. PL, platelet lysate; AA–PRP, autologous activated platelet rich plasma; BCT, Blood Cell Therapy; TGF-β1, transforming growth factor beta 1; VEGF, vascular endothelial growth factor.