Table 1.
SNL- Ipsilateral |
SNL - Contralateral |
Sham - Ipsilateral | Sham - Contralateral |
||
---|---|---|---|---|---|
L4 | I–II | 12.4 ± 1.4 | 4.7 ± 1.0 | 4.1 ± 1.1 | 2.1 ± 0.5 |
III–IV | 30.8 ± 2.4* | 17.1 ± 1.2 | 11.4 ± 1.1 | 10.2 ± 0.8 | |
V–VI | 13.2 ± 2.7 | 6.9 ± 1.2 | 3.8 ± 0.6 | 3.1 ± 0.9 | |
Total | 55.6 ± 5.1* | 28.7 ± 2.7 | 17.8 ± 1.4 | 15.3 ± 1.5 | |
L5 | I–II | 12.4 ± 1.4 | 4.7 ± 1.0 | 4.5 ± 0.6 | 3.0 ± 0.7 |
III–IV | 34.0 ± 2.4* | 17.9 ± 1.2 | 14.2 ± 2.1 | 13.4 ± 1.6 | |
V–VI | 16.8 ± 2.4 | 10.0 ± 1.5 | 3.1 ± 0.8 | 2.4 ± 0.7 | |
Total | 64.3 ± 4.9* | 35.2 ± 3.1 | 21.3 ± 2.5 | 19.3 ± 2.0 | |
L6 | I–II | 8.6 ± 1.3 | 3.4 ± 0.7 | 4.4 ± 0.6 | 4.1 ± 0.7 |
III–IV | 31.9 ± 3.0* | 16.4 ± 1.2 | 10.2 ± 0.5 | 9.8 ± 1.4 | |
V–VI | 16.4 ± 1.9 | 6.6 ± 1.2 | 3.4 ± 1.1 | 3.0 ± 1.0 | |
Total | 57.6 ± 5.0* | 26.4 ± 2.3 | 17.3 ± 1.1 | 16.9 ± 2.3 |
Gentle mechanical stimulation of the hindpaw evokes FOS expression in the lumbar dorsal horn. FOS expression in laminae III–IV ipsilateral to SNL is significantly (* p < 0.05) increased when compared to the contralateral side.