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首页> 外文期刊>Acute pain: international journal of acute pain management >Mathematical analysis of involvement ratio between central and peripheral COX-2 in rat pain models with two types of COX-2 inhibitors with different distribution, celecoxib and CIAA
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Mathematical analysis of involvement ratio between central and peripheral COX-2 in rat pain models with two types of COX-2 inhibitors with different distribution, celecoxib and CIAA

机译:两种疼痛分布不同的COX-2抑制剂塞来昔布和CIAA在大鼠疼痛模型中中枢和外周COX-2参与比的数学分析

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The purpose of this study is to clarify involvement ratios between central and peripheral cyclooxygenase (COX)-2 in rat inflammatory pain models, by evaluating celecoxib and [6-chloro-2-(4-chlorobenzoyl)-1H-indol-3-yl]acetic acid (CIAA) on carrageenan-induced mechanical and thermal hyperalgesia. Celecoxib and CIAA exhibited ID30 values with 1.5 and 7.7 mg/kg on mechanical hyperalgesia, respectively, and ID25 values with 0.54 and 36 mg/kg on thermal hyperalgesia, respectively. By solving quadratic functional analysts with prostaglandin E2 (PGE2) inhibitory activities, it was calculated that involvement ratios between central and peripheral COX-2 involvement were 0.47 and 0.53 on mechanical hyperalgesia, and 0.97 and 0.03 on thermal hyperalgesia, respectively. These data suggest that central and peripheral COX-2 are equally involved in mechanical hyperalgesia, while central COX-2 is predominantly involved in thermal hyperalgesia. Copyright 2007 Elsevier B.V. All rights reserved.
机译:这项研究的目的是通过评估塞来昔布和[6-氯-2-(4-氯苯甲酰基)-1H-吲哚-3-基]来阐明大鼠炎症性疼痛模型中中央和周围环氧合酶(COX)-2的参与比率。乙酸(CIAA)对角叉菜胶引起的机械和热痛觉过敏。塞来昔布和CIAA对机械性痛觉过敏的ID30值分别为1.5和7.7 mg / kg,对热痛觉过敏的ID25值分别为0.54和36 mg / kg。通过求解具有前列腺素E2(PGE2)抑制活性的二次函数分析人员,计算得出,机械痛觉过敏的中枢和外周COX-2参与度分别为0.47和0.53,热痛觉过敏的参与度分别为0.97和0.03。这些数据表明,中央和外周COX-2均参与机械性痛觉过敏,而中央COX-2主要参与热痛觉过敏。版权所有2007 Elsevier B.V.保留所有权利。

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