大戟二烯醇 T5737

Product Introduction
Bioactivity


英文名: euphol

描述: Euphol 是从Euphorbia tirucalli 的汁液中分离出来的四环三萜醇，具有抗炎和免疫调节作用，口服具有活力。 它通过能够逆机制抑制单酰基甘油脂肪酶 (MGL) 的特性，IC50=315 nM。 外周 MGL 抑制能够调节内源性大麻素系统从而阻止炎症性疼痛的发展。

动物实验: For the induction of inflammatory pain, mice received an intraplantar injection of 20 ml of carrageenan (300 ug/paw) under the surface of the right hindpaw.?To assess the systemic effect of drug treatment, mice received euphol (3, 30 or 100 ug/kg) or its vehicle (5% Tween 80 solution made in saline e 0.9% NaCl solution), 1 h before carrageenan injection.?Other group of mice received dexamethasone (0.5 mg/kg.) 1 h before carrageenan?injection that was used as positive control drug.?The development of mechanical hyperalgesia was evaluated at 1, 2, 4, 6, 8, 24 and 48 h time points, after drug pre-treatments.?In order to evaluate the possible site of action of euphol (central or peripheral), a separate group of animals received an i.pl.?injection of euphol (5, 10 or 30 ug/paw) 15 min prior carrageenan (300 ug/paw) administration.?Additional groups of animals received an intrathecal (1, 3 and 10 ug/site) or intracerebroventricular ?(0.3, 3 or 10 ug/site) injection of 5 ml of euphol, 15 min before the paw injection of carrageenan.?Compared the analgesic efficacy of euphol with different groups of standard analgesic drugs, as described previously: indomethacin (2 mg/kg), morphine (5 mg/kg.), gabapentin (70 mg/kg) and dipyrone (120 mg/kg).?All drugs were administered 1 h before i.pl.?carrageenan injection (300 ug/paw).?Mechanical hyperalgesia was evaluated at 1, 2, 4, 6, 8 and 24 h time points after carrageenan injection, and measured with VFH.

体内活性: Oral treatment with euphol (30 and 100 mg/kg) reduced carrageenan-induced mechanical hyperalgesia. Likewise, euphol given through the spinal and intracerebroventricular routes prevented mechanical hyperalgesia induced by carrageenan. Euphol consistently blocked the mechanical hyperalgesia induced by complete Freund's adjuvant, keratinocyte-derived chemokine, interleukin-1β, interleukin-6 and tumor necrosis factor-alpha associated with the suppression of myeloperoxidase activity in the mouse paw. Oral treatment with euphol was also effective in preventing the mechanical nociceptive response induced by ligation of the sciatic nerve and also significantly reduced the levels and mRNA of cytokines/chemokines in both paw and spinal cord tissues following i.pl. injection of complete Freund's adjuvant. In addition, the pre-treatment with either CB?R or CB?R antagonists, as well as the knockdown gene of the CB?R and CB?R, significantly reversed the antinociceptive effect of euphol.

存储条件: Powder: -20°C for 3 years | In solvent: -80°C for 1 year

溶解度: DMSO : 4.27 mg/mL (10 mM)


关键字: MAGL | euphol | Inhibitor | Endogenous Metabolite | Monoacylglycerol lipase | inhibit

相关产品: JZP-430 | KML29 | MAGL-IN-1 | MJN110 | Lalistat 2 | URB602 | JZL 184 | JW 642 | Beta-Sitosterol | JNJ-42226314

相关库: Anti-Inflammatory Traditional Chinese Medicine Compound Library | Selected Plant-Sourced Compound Library | Chinese Pharmacopoeia Natural Product Library | Bioactive Compounds Library Max | Human Metabolite Library | Traditional Chinese Medicine Monomer Library | Lipid Metabolism Compound Library | Metabolism Compound Library | Orally Active Compound Library | NO PAINS Compound Library

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