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GENETIC INFLUENCES ON BRAIN STIMULATION-PRODUCED ANALGESIA IN MICE .2. CORRELATION WITH BRAIN OPIATE RECEPTOR CONCENTRATION

被引：18
作者：
MAREK, P
YIRMIYA, R
LIEBESKIND, JC
机构：
[1] UNIV CALIF LOS ANGELES,DEPT PSYCHOL,LOS ANGELES,CA 90024
[2] UNIV CALIF LOS ANGELES,DEPT ANAT & PSYCHIAT,LOS ANGELES,CA 90024
[3] POLISH ACAD SCI,INST GENET & ANIM BREEDING,DEPT BEHAV PHYSIOL,PL-05551 MROKOW,POLAND
来源：
BRAIN RESEARCH | 1990年 / 507卷 / 01期
关键词：
Genetic difference; Naloxone; Opiate receptor; Periaqueductal gray matter; Stimulation-produced analgesia;
D O I：
10.1016/0006-8993(90)90536-K
中图分类号：
Q189 [神经科学];
学科分类号：
071006 ;
摘要：
The analgesic effect of electrical stimulation of the periaqueductal gray matter (PAG) was studied in 4 strains of mice: C57BL/6By (C57), BALB/cBy (BALB), CXBH, and CXBK. These strains are known to have high (CXBH), low (CXBK), and intermediate (C57 and BALB) concentrations of brain opiate receptors. The current intensity required for stimulation-produced analgesia (SPA) did not differ among strains. Naloxone attenuated SPA in CXBH, C57 and BALB mice, but was ineffective in the opiate receptor deficient CXBK mice. The results suggest that genetic differences in opiate receptor density can influence the degree to which opioid mechanisms are involved in SPA from the PAG. © 1990.
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页码：155 / 157
页数：3
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