首页> 外文期刊>Pharmacology, Biochemistry and Behavior >Differential involvement of opioid receptors in intrathecal butorphanol-induced analgesia: compared to morphine.
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Differential involvement of opioid receptors in intrathecal butorphanol-induced analgesia: compared to morphine.

机译:鞘内丁烷酚诱导的镇痛中阿片样物质受体的差异参与:与吗啡相比。

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The present experiments were performed to investigate the differential involvement of the opioid receptor subtypes in the antinociception of intrathecal (IT) butorphanol compared to IT morphine. A single dose (26 nmol) of IT nor-binaltorphimine (nor-BNI), beta-funaltrexamine (beta-FNA), and naltrindole (NTI) demonstrated a significant attenuation in the overall antinociception of IT butorphanol (52 nmol) or IT morphine (26 nmol). However, IT butorphanol elicits thermal antinociceptive effect through kappa > delta > or = mu, whereas morphine acts on mu >delta kappa. These results indicate that the antinociceptive effect of both IT butorphanol and IT morphine are mediated through mu, delta, and kappa opioid receptors in different relative orders.
机译:进行本实验以调查与IT吗啡相比,阿片样物质受体亚型在鞘内(IT)布托啡诺的镇痛作用中的差异参与。单剂量(26 nmol)的IT nor-binaltorphimine(nor-BNI),β-富纳曲胺(beta-FNA)和naltrindole(NTI)表现出IT丁烷酚(52 nmol)或IT吗啡的总体抗伤害感受性的显着减弱(26nmol)。然而,IT布托啡诺通过kappa> delta>或= mu引起热镇痛作用,而吗啡对mu> delta kappa起作用。这些结果表明,IT布托啡诺和IT吗啡的镇痛作用是通过mu,δ和kappa阿片受体以不同的相对顺序介导的。

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