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KMID : 1147720170100010026
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Journal of Acupuncture and Meridian Studies
2017 Volume.10 No. 1 p.26 ~ p.32
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Effect of Manual Acupuncture Stimulation at “Bai-Hui” (GV 20) or “Yintang” (Ex-HN3) on Depressed Rats
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Takagi Ken
Tanahashi Nobuyuki
Amagasu Nozomi
Mizuno Kaito
Kawanokuchi Jun
Yi Guo
Ishida Torao
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Abstract
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A previous study on rats showed that simultaneous acupuncture stimulation at the “Bai-Hui” (GV 20) and the “Yintang” (Ex-HN3) acupoints alleviated the state of depression to an extent similar to that achieved by pharmacotherapy. This study investigated whether the alleviation of the depressed state required simultaneous acupuncture at these two acupuncture points. For the purposes of testing the effect of acupuncture on depressive symptoms, we treated a depression model rat, where depression had been induced by using a mild water-immersion stress technique, with either acupuncture stimulation at only one acupuncture point (GV 20 or Ex-HN3) or an antidepressant, and we measured the immobile time for evaluating the state of depression. Anxiety, as a symptom commonly associated with depression, was also evaluated by measuring the number of head dips. Neither the immobile time nor the number of head dips decreased upon acupuncture stimulation. From this study, single acupuncture stimulation at either “GV 20” or “Ex-HN3” alleviated neither the state of depression nor the anxiety. The water-immersion stress used to make the depression model rats was shown not to induce anxiety; however, the stress induced by immobilizing the rats for acupuncture stimulation did lead to anxiety.
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KEYWORD
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acupuncture, anxiety, Bai-Hui, depression, immobilization stress, water-immersion stress, Yintang
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