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Acupuncture attenuates repeated nicotine-induced behavioral sensitization and c-Fos expression in the nucleus accumbens and striatum of the rat

Title
Acupuncture attenuates repeated nicotine-induced behavioral sensitization and c-Fos expression in the nucleus accumbens and striatum of the rat
Authors
Chae Y.Yang C.H.Kwon Y.K.Kim M.R.Pyun K.-H.Hahm D.-H.Lee H.-J.Shim I.
Ewha Authors
변광호
Issue Date
2004
Journal Title
Neuroscience Letters
ISSN
0304-3940JCR Link
Citation
vol. 358, no. 2, pp. 87 - 90
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
Repeated injections of nicotine can produce behavioral sensitization, as evidenced by an enhanced locomotor response to a subsequent injection of the drug. Behavioral sensitization has been suggested as a model for studying drug addiction. Acupuncture as a therapeutic intervention is widely used for treatment for many functional disorders, such as substance abuse and mental dysfunction. We examined the effect of acupuncture on nicotine-induced behavioral locomotor activity and c-fos expression in the nucleus accumbens and striatum utilizing the immunocytochemical detection of the Fos protein. The rats were given repeated daily nicotine injections (0.4 mg/kg s.c., twice daily for 7 days) followed by one challenging injection on the 4th day after the last daily injection. Acupuncture at zusanli (ST36), but not control, significantly attenuated expected increase in nicotine-induced locomotor activity and Fos-like-immunoreactivity in the nucleus accumebns and striatum to subsequent nicotine challenge. These findings suggest that acupuncture has a therapeutic effect on nicotine addiction, possibly by modulating postsynaptic neuronal activity in the nucleus accumbens and the striatum. © 2004 Published by Elsevier Ireland Ltd.
DOI
10.1016/j.neulet.2003.12.121
Appears in Collections:
의과대학 > 의학과 > Journal papers
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