INCREASED AMPHETAMINE POTENCY FOLLOWING CHRONIC NALTREXONE ADMINISTRATION IN RATS

被引:11
作者
AMIR, S
BLAIR, R
AMIT, Z
机构
[1] Center for Research on Drug Dependence Department of Psychology, Que. H3G 1M8
关键词
D O I
10.1016/0024-3205(79)90418-1
中图分类号
R-3 [医学研究方法]; R3 [基础医学];
学科分类号
1001 ;
摘要
Chronic administration of the long acting opiate antagonist naltrexone potentiated the amphetamine and apomorphine- -induced stimulation of locomotor activity in rats. Similar treatment also resulted in increased locomotor activity in saline injected rats. The results suggest that chronic opiate receptor blockade may lead to the development of supersensitivity in dopamine systems that mediate motor control. The results provide further support for the notion that endogenous opioids modulate the function of dopamine systems in the brain. © 1979.
引用
收藏
页码:1407 / 1412
页数:6
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