Table 5.

Average optical density of PKCγ immunofluorescence in the dorsal horn of the spinal cord of rats following exposure to single-prolonged stress

Group	AOD values
Control (n = 8)	108.50 ± 3.66
Post-1 day (n = 7)	90.57 ± 2.83*
Post-6 days (n = 7)	102.57 ± 3.21∇
Post-7 days (n = 9)	143.44 ± 2.40**▲&
Post-9 days (n = 8)	153.50 ± 3.13**▲&
Post-14 days (n = 9)	148.22 ± 4.02**▲&
Post-21 days (n = 9)	147.33 ± 3.77**▲&
Post-28 days (n = 9)	149.11 ± 4.68**▲&
Post-29 days (n = 8)	104.25 ± 3.97∇

All data are expressed as the mean ± S.E.M.

*P < 0.01 and **P < 0.001, compared with control group, respectively.

^▲P < 0.001 compared with post-1 days group.

^∇P < 0.05 compared with post-1 days group.

&P < 0.05 compared with post-29 days group.