Changes of mRNA expression of enkephalin and prodynorphin in hippocampus of rats with chronic immobilization stress

Table 1 Expression of enkephalin mRNA and prodynorphin mRNA in rat hippocampus (n = 5, mean ± SD)

Group	Enkephalin mRNA	Prodynorphin mRNA
A	0.284 ± 0.013	0.360 ± 0.017
B	0.308 ± 0.018	0.492 ± 0.036b
C	0.352 ± 0.028bc	0.624 ± 0.026bd

Statistical analyses were performed by analysis of variance and post-hoc test.

^bP < 0.01 vs group A;

^cP < 0.05,

^dP < 0.01 vs group B.