Table 3.
Concentration of growth factors in amniotic membrane extract eye drops (AMEED) pre- and post-storage at -70˚
| Pre-storage | Post-storage at -70˚C (pg/ml) | ||||
|---|---|---|---|---|---|
| 1.5months | 3.0months | 10months | 12months | ||
| Epithelial growth factor (EGF) | 211.15 ± 40.4 | 218.08 ± 53.8 | 186.73 ± 68.3 | ND | ND |
| Hepatocyte growth factor (HGF) | 3571.00 ± 1011.2 | 3511.00 ± 983.4 | ND | 2636 ± 1034.5 | ND |
| Keratinocyte growth factor (KGF) | 20.75 ± 22.2 | ND | 39.50 ± 13.8 | 44.50 ± 24.4 | ND |
| Interleukin-1 receptor antagonist (IL-1RA) | 1765.00 ± 195.4 | 1743.33 ± 156.7 | 1992.222 | 1360 | 1688.88 |
All data are mean ± SD (pg/ml). ND; Not determined.