Synthesis and Anti-inflammatory Activity of Novel Rhein-paeonol Conjugates
刘成波 1何冰 1谭鸿舟 1吴虹 2何黎琴1
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作者信息
1. 安徽中医药大学 药学院,安徽 合肥 230038
2. 皖西卫生职业学院,安徽 六安 237000
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摘要
为寻找安全有效的抗骨关节炎药物,利用拼合原理,以不同碳数的烷烃链为连接臂,将均具有抗炎作用的大黄酸和丹皮酚偶联,得到相应的新型大黄酸丹皮酚偶联物(3a～3e),其结构经1 H NMR、13 C NMR和HR-MS(ESI)表征.采用脂多糖(LPS)刺激巨噬细胞(RAW264.7)构建细胞炎症模型,RT-qPCR检测炎性因子TNF-α,IL-1β和IL-6 的mRNA表达.结果显示:目标化合物能够抑制LPS诱导的炎症因子的表达,具有一定的抗炎活性.
Abstract
To search for newer anti-arthritic agents that are both effective and safe,novel Rhein-Pae-onol conjugates(3a～3e)were synthesized by reaction of rhein and paeonol with dibromoalkanes bear-ing two to six carbons to form compounds.Five new target compounds were synthesized and their struc-tures were confirmed by 1 H NMR,13 C NMR and HR-ESI(MS)spectroscopy.To investigate the anti-inflammatory effects of 3a～3e in LPS-stimulated macrophages,the mRNA levels of TNF-α,IL-1β,and IL-6 were measured by RT-qPCR.The result showed that all of the synthesized compounds can de-crease the expression of these cytokines and has anti-inflammatory effect.
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