Yingchao Hu, Honghui Li, Xiangyu Zhang, Yuxian Song, Jun Liu, Jie Pu, Shuang Wen, Hongyang Xu, Hongliang Xin, Bingwei Wang, Shuo Yang
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Identification of two repurposed drugs targeting GSDMD oligomerization interface I to block pyroptosis
As an executor of pyroptosis, gasdermin D (GSDMD) plays a critical role in inflammatory diseases and cancer. Thus, GSDMD is currently being widely explored as a drug target. Existing inhibitors targeting GSDMD, such as necrosulfonamide, disulfiram, and fumarate, primarily prevent pyroptosis by modifying human/mouse C191/C192 in the N-terminal fragment of GSDMD. However, cysteine modification can prevent the function of important proteins or enzymes, thereby leading to adverse reactions. Here, we chose an alternative key intervention site for GSDMD activation, which is located at the oligomerization interface I of its pore-forming structure. Through high-throughput virtual and experimental screening and in combination with efficacy and pharmacological validation, we have identified two safe, specific “repurposed drugs” that potently suppress GSDMD-mediated pyroptosis. Moreover, the candidates exhibited synergistic therapeutic effects of “1 + 1>2” in murine sepsis and tumorigenesis models. These recently identified GSDMD inhibitors hold great promise for clinical translation in the development of anti-inflammatory and anti-cancer immunotherapies.
Cell Chemical BiologyBiochemistry, Genetics and Molecular Biology-Molecular Medicine
CiteScore
14.70
自引率
2.30%
发文量
143
期刊介绍:
Cell Chemical Biology, a Cell Press journal established in 1994 as Chemistry & Biology, focuses on publishing crucial advances in chemical biology research with broad appeal to our diverse community, spanning basic scientists to clinicians. Pioneering investigations at the chemistry-biology interface, the journal fosters collaboration between these disciplines. We encourage submissions providing significant conceptual advancements of broad interest across chemical, biological, clinical, and related fields. Particularly sought are articles utilizing chemical tools to perturb, visualize, and measure biological systems, offering unique insights into molecular mechanisms, disease biology, and therapeutics.