Table 1. Weight (g) changes in the rat models among the blank control, sham, SCI, SCI + BMSCs, SCI + BMSCs + SDF-1, SCI + BMSCs + AMD3100 and SCI + BMSCs + SDF-1 + AMD3100 groups.
| Groups | 7th d | 14th d | 21th d | 28th d |
|---|---|---|---|---|
| Blank control | 221 ± 7 | 225 ± 4 | 229 ± 6 | 233 ± 7 |
| Sham | 221 ± 7 | 225 ± 4 | 229 ± 6 | 233 ± 7 |
| SCI | 218 ± 7 | 210 ± 5a | 200 ± 7a | 194 ± 7a |
| SCI + BMSCs | 219 ± 7 | 213 ± 7a b | 204 ± 7ab | 199 ± 7ab |
| SCI + BMSCs + SDF-1 | 220 ± 7 | 218 ± 7abc | 213 ± 7bc | 209 ± 7bc |
| SCI + BMSCs + AM3100 | 219 ± 7 | 214 ± 7a | 205 ± 7a | 200 ± 7a |
| SCI + BMSCs + SDF-1 + AMD3100 | 219 ± 7 | 216 ± 7ab | 207 ± 7ab | 202 ± 7 ab |
BMSCs, bone marrow-derived mesenchymal stem cells; SCI, spinal cord injury; SDF-1, Stromal cell-derived factor-l; acompared with the blank control and Sham groups, P < 0.05; bcompared with the SCI and SCI + BMSCs + AM 3100 groups, P < 0.05; ccompared with the SCI + BMSCs and SCI + BMSCs +SDF-1+ AM 3100 groups, P < 0.05.