科研之友
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摘要
It has been demonstrated that galanin plays important roles in the modulation of nociceptive information in rats. The present study is performed to investigate the regulating role of galanin in nociception in the nucleus accumbens (NAc) of rats. Intra-NAc administration of galanin induces dose-dependent increases in the hindpaw withdrawal latency (HWL) to noxious thermal and mechanical stimulation in rats. Furthermore, the galanin-induced antinociceptive effects are blocked by following intra-NAc injection of the galanin receptor antagonist galantide. The results demonstrate that galanin induces antinociceptive effects in the NAc of rats, and galanin receptors are involved in the galanin-induced antinociception effects.
