Zentrum für Kinder- und Jugendmedizin, Philipps-Universität, Marburg, Germany.
Bioorg Med Chem. 2012 Jan 1;20(1):101-7. doi: 10.1016/j.bmc.2011.11.028. Epub 2011 Nov 25.
Dipyrone is a common antipyretic drug and the most popular non-opioid analgesic in many countries. In spite of its long and widespread use, molecular details of its fate in the body are not fully known. We administered dipyrone orally to mice. Two unknown metabolites were found, viz. the arachidonoyl amides of the known major dipyrone metabolites, 4-methylaminoantipyrine (2) and 4-aminoantipyrine (3). They were identified by ESI-LC-MS/MS after extraction from the CNS, and comparison with reference substances prepared synthetically. The arachidonoyl amides were positively tested for cannabis receptor binding (CB(1) and CB(2)) and cyclooxygenase inhibition (COX-1 and COX-2 in tissues and as isolated enzymes), suggesting that the endogenous cannabinoid system may play a role in the effects of dipyrone against pain.
双氯芬酸是一种常见的解热镇痛药,也是许多国家最受欢迎的非阿片类镇痛药。尽管它的使用历史悠久且广泛,但它在体内的命运的分子细节还不完全清楚。我们给小鼠口服双氯芬酸。发现了两种未知的代谢物,即已知主要双氯芬酸代谢物 4-甲基氨基安替比林(2)和 4-氨基安替比林(3)的花生四烯酰酰胺。它们是通过从中枢神经系统提取后,用 ESI-LC-MS/MS 鉴定出来的,并与通过合成制备的参考物质进行了比较。花生四烯酰酰胺被阳性检测到具有大麻素受体结合(CB1 和 CB2)和环氧化酶抑制(组织中的 COX-1 和 COX-2 以及分离的酶)的作用,这表明内源性大麻素系统可能在双氯芬酸对疼痛的作用中发挥作用。