Abstract
Aberrant activation of NLRP3 inflammasome is involved in various inflammatory diseases, making it a promising target for therapeutic intervention. NEK7, a member of the NIMA-related kinase (NEK) family, functions as a key NLRP3-binding protein and plays a crucial role in the regulation of NLRP3 inflammasome assembly and activation. Thus, disrupting NLRP3-NEK7 interactions by targeting NEK7 could be a promising strategy to inhibit the activation of NLRP3 inflammasome. In this work, a series of novel urea derivatives were designed and synthesized based on the reported NEK7 inhibitors. Among these, compound 23 exhibited potent activity against IL-1β release with low cytotoxicity. Moreover, compound 23 enhanced the thermal stability of NEK7 and disrupted the NLRP3-NEK7 interaction, thereby regulating NLRP3 inflammasome assembly.
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