Inactivation of the Nucl. Accumbens Core Exerts No Effect on Nicotine-Induced Conditioned Place Preference

被引：7
|
作者：
Hosseini, S. B. [1 ]
Sahraei, H. [2 ]
Mohammadi, A. [2 ]
Hatef, B. [2 ]
Meftahi, G. H. [2 ]
Chalabi-Yani, D. [1 ]
Alibeig, H. [1 ]
Sadeghi-Gharajehdaghi, S. [1 ]
Ranjabaran, M. [2 ]
机构：
[1] Islamic Azad Univ, Sch Biol Sci, Dept Biol, Tehran, Iran
[2] Baqiyatallah As Univ Med Sci, Neurosci Res Ctr, Tehran, Iran
来源：
NEUROPHYSIOLOGY | 2015年 / 47卷 / 04期
关键词：
nicotine; conditioned place preference; lidocaine; core part of the nucl. accumbens; shell part of the nucl. accumbens; rat; VENTRAL TEGMENTAL AREA; TRANSIENT INACTIVATION; DOPAMINE; SHELL; ACQUISITION; REWARD; EXPRESSION; RECEPTORS; ASYMMETRY; FRAMEWORK;
D O I：
10.1007/s11062-015-9536-8
中图分类号：
Q189 [神经科学];
学科分类号：
071006 ;
摘要：
Effects of transient inhibition of the core part of the nucl. accumbens (NAcC) by lidocaine on nicotineinduced conditioned place preference in male Wistar rats were examined. Lidocaine (2%) was injected into the NAcC of nicotine-conditioned animals before each nicotine i.p. injection. On the test day, behavior of the animals in a two-lcompartment apparatus was recorded during 10 min. Results revealed that i.p. injections of nicotine (1.0 or 1.5 mg/kg) induced place preference. Transient lidocaine-induced inhibition of one or both sides of the NAcC did not change place preference but changed the numbers of compartment crossings, rearings, and sniffings. Inhibition of the left part and both parts of the structure reduced sniffing and increased place preference; inhibition of the right part of the nucleus increased the intensity of this phenomena.
引用
收藏
页码：295 / 301
页数：7
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