Effects of Electroacupuncture of Different Frequencies on the Release Profile of Endogenous Opioid Peptides in the Central Nerve System of Goats

Table 3

DYN-A immunoactivities induced by different frequencies in the CNS (mean ± SD, 𝑛=7).

Nuclei; and areas	Sham control	0 Hz	2 Hz	40 Hz	60 Hz	100 Hz	Correlation coefficients
CAU	9.03 ± 0.57^d	8.89 ± 0.27^d	9.77 ± 0.34^d	17.22 ± 1.05^c	20.91 ± 1.81^b	25.37 ± 1.14^a	0.573**
SA	14.93 ± 1.29^d	14.68 ± 1.11^d	14.88 ± 0.97^d	19.82 ± 2.00^c	26.61 ± 1.30^b	35.75 ± 1.58^a	0.400*
AMY	10.87 ± 1.10^e	10.16 ± 0.65^e	13.03 ± 1.55^d	17.28 ± 1.40^c	24.79 ± 1.42^b	31.34 ± 1.44^a	0.505**
SON	20.73 ± 1.52^c	20.42 ± 1.08^c	21.77 ± 1.41^c	38.35 ± 2.51^b	38.60 ± 0.94^b	43.87 ± 1.77^a	0.652**
PVH	8.74 ± 0.83^d	8.65 ± 0.39^d	8.85 ± 0.57^d	17.53 ± 1.39^c	19.87 ± 1.13^b	23.24 ± 1.92^a	0.606**
VMH	27.01 ± 1.15^c	26.36 ± 1.10^c	27.70 ± 1.22^c	36.01 ± 1.83^b	41.10 ± 1.89^a	42.54 ± 1.49^a	0.671**
PAG	12.27 ± 1.27^d	12.02 ± 1.28^d	12.87 ± 1.12^d	16.94 ± 2.05^c	19.68 ± 1.90^b	23.72 ± 1.52^a	0.457**
PBN	9.71 ± 0.74^d	9.48 ± 0.55^d	9.31 ± 0.50^d	16.90 ± 1.73^c	19.39 ± 1.44^b	24.44 ± 1.19^a	0.533**
GI	10.53 ± 1.01^c	10.42 ± 1.32^c	10.89 ± 1.58^c	14.27 ± 1.85^b	19.46 ± 1.60^a	20.61 ± 1.34^a	0.555**
SCD	3.73 ± 0.26^c	3.68 ± 0.27^c	4.06 ± 0.22^c	5.86 ± 0.19^b	6.05 ± 0.46^b	10.27 ± 0.60^a	0.275

CAU: caudate nucleus, SA: septal area, AMY: amygdala, SON: supraoptic nucleus, PAG: periaqueductal gray, PBN: parabrachial nucleus, GI: gigantocellular reticular nucleus, SCD: spinal cord dorsal horn, PVH: paraventricular nucleus of hypothalamus, VMH: ventromedial nucleus of hypothalamus.