REGULATION OF SYNAPSE DENSITY BY 5-HT2A RECEPTOR AGONIST AND ANTAGONIST IN THE SPINAL-CORD OF CHICKEN-EMBRYO

被引:36
|
作者
NIITSU, Y
HAMADA, S
HAMAGUCHI, K
MIKUNI, M
OKADO, N
机构
[1] UNIV TSUKUBA,INST BASIC MED SCI,DEPT ANAT,NEUROBIOL LAB,TSUKUBA,IBARAKI 305,JAPAN
[2] GUNMA UNIV,SCH MED,DEPT PSYCHIAT,MAEBASHI,GUMMA 371,JAPAN
关键词
SYNAPSE; PLASTICITY; SEROTONIN; RECEPTOR; SPINAL CORD;
D O I
10.1016/0304-3940(95)11805-7
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
Identification of mechanisms that regulate the number of synapses in the brain has been a key issue for understanding the mechanism of plasticity. Here, we report that the density of synapses can be changed using an antagonist and/or an agonist of serotonin (5-HT) type 2A receptors in the chicken spinal cord. Because of the widespread distribution pattern of 5-HT fibers and 5-HT2A receptors in the central nervous system, 5-HT is thought to play a role in the formation and maintenance of synapses that are involved in normal brain function and mechanism of plasticity.
引用
收藏
页码:159 / 162
页数:4
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