Electroacupuncture-Induced Dynamic Processes of Gene Expression Levels of Endogenous Opioid Peptide Precursors and Opioid Receptors in the CNS of Goats
Table 8
M-ENK immunoactivities in the CNS of goats stimulated by EA (mean ± SD, ).
Nuclei and areas
Sham control
−0.5 h
0 h
2 h
4 h
6 h
8 h
12 h
24 h
Correlation with pain threshold ()
ACB
c
c
a
b
b
c
c
c
c
0.874**
CAU
d
d
a
ab
bc
cd
bc
d
d
0.819**
AMY
g
g
a
b
cd
bc
de
f
ef
0.808**
PVH
c
c
a
a
b
bc
b
bc
b
0.729**
VMH
e
e
a
b
b
d
bc
c
d
0.848**
PAG
e
e
a
b
c
d
cd
c
c
0.748**
DR
e
e
a
b
bc
de
cd
bc
cd
0.759**
HB
cd
cd
a
a
b
b
bc
16.75 ± 2.35bcd
d
0.837**
PBN
e
e
a
a
b
cd
bc
d
d
0.857**
GI
d
d
a
a
bc
bc
d
cd
b
0.605**
SOL
g
g
a
b
c
e
d
de
f
0.911**
**Means the levels of M-ENK correlate with the pain threshold at the 0.01 level.