WANG Ke-ming, LIU Jing1, WU Zi-jian, et al. Relatively Specific Effect of Electroacupuncture of Different Acupoints on Hypothalamic Monoamine Neurotransmitters in Myocardial Ischemia Rats[J]. Acupuncture research, 2011, 36(3): 205-208.
WANG Ke-ming, LIU Jing1, WU Zi-jian, et al. Relatively Specific Effect of Electroacupuncture of Different Acupoints on Hypothalamic Monoamine Neurotransmitters in Myocardial Ischemia Rats[J]. Acupuncture research, 2011, 36(3): 205-208. DOI: 10.13702/j.1000-0607.2011.03.009.
Objective To observe the effect of electroacupuncture(EA) of "Shenmen"(HT 7)
"Neiguan"(PC 6)
etc.on monoamine neurotransmitter contents of hypothalamic paraventricular nucleus(PVN) region in myocardial ischemia(MI) rats
so as to analyze the substantial basis of efficacy specificity of acupoints in improving MI.Methods SD rats were rando-mized into normal control
model
EA-Shenmen(HT 7)
EA-Neiguan(PC 6) and EA-Taiyuan(LU 9) groups(n=10/group).MI model was duplicated by occlusion of the anterior descending branch of the left coronary artery.EA(2 Hz
1.1 mA) was applied to left "Shenmen"(HT 7)
"Neiguan"(PC 6) and "Taiyuan"(LU 9) for 10 min
once daily for 3 days.The hypothalamic PVN region tissue was collected for assaying the contents of norepinephrine(NE)
dopamine(DA) and serotonin(5-HT) by using enzyme linked immunosorbent assay.Results In comparison with the normal control group
the contents of NE
DA and 5-HT in hypothalamic PVN in the model group were decreased significantly(P<0.01).Compared with the model group
the contents of NE
DA and 5-HT in hypothalamic PVN in the EA-Neiguan(PC 6) and EA-Shenmen(HT 7) groups
and that of NE in the EA-Taiyuan(LU 9) group were increased significantly(P<0.01
P<0.05).The effects of EA-Neiguan(PC 6) and EA-Shenmen(HT 7) were significantly superior to that of EA-Taiyuan(LU 9)in increasing the contents of hypothalamic NE
DA and 5-HT(P<0.05
P<0.01).Conclusion Electroacupuncture of PC 6 and HT 7 can suppress MI-induced decrease of NE
DA and 5-HT contents in the hypothalamic PVN region in rats
which may contribute to its effect in resisting myocardial ischemia.The effects of EA-PC 6 and EA-HT 7 are superior to those of EA-LU 9.