The Journal of Korean Medicine (대한한의학회지)

The Society of Korean Medicine (대한한의학회)
권호 표지

Suppression of Cocaine Intake by Acupuncture at HT7

  • Lee, Bong-Hyo (Dept. of Acupuncture, Moxibustion, & Acupoint, College of Oriental Medicine, Daegu Haany University) ;
  • Kim, Sung-Hwan (Dept. of Acupuncture, Moxibustion, & Acupoint, College of Oriental Medicine, Daegu Haany University) ;
  • Lim, Sung-Chul (Dept. of Acupuncture, Moxibustion, & Acupoint, College of Oriental Medicine, Daegu Haany University) ;
  • Kim, Jae-Su (Dept. of Acupuncture, Moxibustion, & Acupoint, College of Oriental Medicine, Daegu Haany University) ;
  • Lee, Yun-Kyu (Dept. of Acupuncture, Moxibustion, & Acupoint, College of Oriental Medicine, Daegu Haany University) ;
  • Lee, Ji-Hye (Dept. of Acupuncture, Moxibustion, & Acupoint, College of Oriental Medicine, Daegu Haany University) ;
  • Jung, Tae-Young (Dept. of Diagnostics, College of Oriental Medicine, Daegu Haany University) ;
  • Yang, Chae-Ha (Dept. of Physiology, College of Oriental Medicine, Daegu Haany University) ;
  • Yoon, Seong-Shoon (Dept. of Physiology, College of Oriental Medicine, Daegu Haany University) ;
  • Han, Chang-Hyun (TKM Information Research Division, Korea Institute of Oriental Medicine) ;
  • Lee, Kyung-Min (Dept. of Acupuncture, Moxibustion, & Acupoint, College of Oriental Medicine, Daegu Haany University)
  • Received : 2010.01.29
  • Accepted : 2010.04.30
  • Published : 2010.05.30
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Abstract

Objectives: Cocaine has been well known as a representative drug of abuse for its strong reinforcing effect linked to the mesolimbic reward system including dopamine, and such reinforcement leads to the addiction. Acupuncture has been used widely in eastern Asia for the treatment of various diseases including mental disorders and psychiatric problems, and is gathering more interest as one of the complementary and alternative medicines in western countries. In a previous study, we demonstrated that acupuncture at HT7 could affect dopamine release in the mesolimbic system of rats sensitized to alcohol and morphine. This study was designed to investigate whether acupuncture at HT7 could attenuate cocaine intake or not. Material & Methods: Male Sprague-Dawley rats weighing 270-300 g at the start of experiment were trained to self-administer food pellets under a fixed ratio 1 schedule. After the success of acquisition of 100 pellets within 3 h for 3 consecutive days, animals were subjected to surgery whereby Silastic tubing was implanted into right jugular vein and secured with mesh under the anesthetization using pentobarbital injection (50 mg/kg, i.p.). Following recovery, rats were trained to self-administer cocaine (0.25 mg/kg) in daily 2 h sessions under fixed ratio 1 schedule over 10 days. Each treatment was performed on the next day of each establishment of baseline. Results: Results show that acupuncture at HT7, but not at control points, reduced cocaine intake significantly. Acupuncture at HT7 decreased selectively active lever response from $63.15{\pm}3.35$ to $51.46{\pm}3.99$ corresponding $82.12{\pm}5.31%$ compared to basal level. Also, it was demonstrated that the effect of acupuncture was mainly occurred at the half period. Nevertheless, acupuncture at HT7 did not influence the food taking behavior. Conclusions: From the results of this study, it may be suggested that acupuncture at HT7, at least in part, could contribute to the treatment of cocaine abuse.

Keywords

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