Functional alteration of opioid receptor subtypes in the mice exhibited conditioned suppression in motility

Tsutomu Kameyama, Toshitaka Nabeshima, Hiroyuki Kamei, Kiyoshi Matsuno

研究成果: Article査読

6 被引用数 (Scopus)

抄録

Mice exhibit a marked suppression of motility (conditioned suppression) when placed in the same environment in which they had previously received the electric footshock. The present study was designed to investigate the functional change of opioid receptor subtypes in the conditioned suppression group using an opioid binding assay technique. In the synaptic membrane of the conditioned suppression group, the binding capacities of [3H]naloxone at high and low affinity binding sites and of [3H]phencyclidine at high affinity binding site were significantly increased compared to those of the control group. On the other hand, the binding capacity of [3H]ethylketocyclazocine at both affinity binding sites in the conditioned suppression group was not changed. These results suggest that the binding function of different opioid receptor subtypes may be altered differently by stress.

本文言語English
ページ(範囲)263-266
ページ数4
ジャーナルNeuroscience Letters
53
3
DOI
出版ステータスPublished - 04-02-1985
外部発表はい

All Science Journal Classification (ASJC) codes

  • Neuroscience(all)

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