New Hydrazone Derivatives of Pyrazole-4-carboxaldehydes Exhibited Anti-inflammatory Properties
作者:Mingxia Song、Bing Liu、Shengwang Yu、Shihui He、Yuqiu Liang、Sifan Li、Qiuyan Chen、Xianqing Deng
DOI:10.2174/1570180816666190731113441
日期:2020.4.25
Background: Several series of hydrazone derivatives of pyrazole-4-carboxaldehydes (4- 11) were designed and synthesized to screen their inflammatory activity. Methods: The products were characterized by 1H NMR, 13C NMR and HRMS. In vitro LPS-induced TNF-α model and in vivo xylene-induced ear-edema model were used to evaluate their antiinflammatory activity. Results and Conclusion: Bioassays indicated
背景:设计并合成了几系列的吡唑-4-甲醛(4- 4-11)衍生物,以筛选其炎症活性。 方法:用1 H NMR,13 C NMR和HRMS对产物进行表征。用体外LPS诱导的TNF-α模型和体内二甲苯诱导的耳水肿模型评估其抗炎活性。 结果与结论:生物测定表明,大多数化合物在10 µg / mL的浓度下均能显着抑制TNF-α的表达。化合物7b和11c是两种最有效的化合物,以剂量依赖性方式表现出TNF-α抑制能力,IC50值分别为5.56和3.69 µM。在体内,腹膜内给药7b和11c在剂量为20和50 mg / kg时可明显抑制耳水肿。化合物11c在20 mg / kg的剂量下抑制水肿49.59%,与在相同剂量下的参考药物地塞米松相当(抑制50.49%)。为了解结合模式,进行了代表分子7b和11c的分子对接,这表明这两种化合物均与TNF-α具有强力结合,