Group | Treatment | Rats, number | Morris water maze-tested, number | Time of sacrifice (number) | Histology, number of rats |
---|---|---|---|---|---|
Sham injury | No mesenchymal stem cells (MSC) | 8 | 8 | 1 month (4) | 8 |
 |  |  |  | 3 months (4) |  |
Sham Injury | Primed MSC | 4 | Not tested | 2 days (4) | 4 |
Traumatic brain injury (TBI) | No MSC | 8 | 8 | 1 month (4) | 8 |
 |  |  |  | 3 months (4) |  |
TBI | No MSC | 4 | Not tested | 2 days (4) | 4 |
TBI | Unprimed MSC | 8 | 8 | 1 month (4) | 8 |
 |  |  |  | 3 months (4) |  |
TBI | Unprimed MSC | 4 | Not tested | 2 days (4) | 4 |
TBI | Primed MSC | 8 | 8 | 1 month (4) | 8 |
 |  |  |  | 3 months (4) |  |
TBI | Primed MSC | 4 | Not tested | 2 days (4) | 4 |