Structural modification based on the diclofenac scaffold: Achieving reduced colitis side effects through COX-2/NLRP3 selective inhibition
作者:Zhiran Ju、Junde Xu、Keshuang Tang、Fener Chen
DOI:10.1016/j.ejmech.2024.116257
日期:2024.3
anti-inflammatory compounds with favorable safety profiles, three new series of non-carboxylic diclofenac analogues bearing various ring systems, such as oxadiazoles -, triazoles -, and cyclic imides and , were synthesized. The synthesized analogues were evaluated for their inhibitory activity against COX-2 enzyme. Among them, compound exhibited potent selective COX-2 inhibition (IC = 1.53 μM; selectivity ((IC
COX-2/NLPR3靶向治疗可能对炎症疾病有益。为了发现具有良好安全性的新型抗炎化合物,合成了三个新系列的带有各种环系的非羧基双氯芬酸类似物,例如恶二唑-、三唑-和环状酰亚胺和。评估合成的类似物对COX-2酶的抑制活性。其中,化合物表现出有效的选择性COX-2抑制作用(IC = 1.53 μM;选择性((IC (COX-1)/IC (COX-2) = 17.19))。化合物治疗有效抑制NF-κB/NLRP3信号通路,导致促炎因子的表达减少。溃疡性结肠炎测定表明,该化合物可显着改善组织学损伤,并对 DSS 诱导的急性结肠炎显示出强大的保护作用。收集的结果表明,该化合物通过 COX-2/NLRP3 显示出抗炎活性。因此,该化合物是进一步开发具有减少结肠炎副作用的新先导化合物的有希望的候选者。