GEFT inhibits the GSDM-mediated proptosis signalling pathway, promoting the progression and drug resistance of rhabdomyosarcoma.

IF 8.1 1区 生物学 Q1 CELL BIOLOGY
Fan Yang, Tian Xia, Zhijuan Zhao, Jinyang Lin, Ling Zhong, Tian Tang, Degui Liao, Miaoling Lai, Jiamin Ceng, Lian Meng, Feng Li, Chunxia Liu
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引用次数: 0

Abstract

The metastasis or recurrence of rhabdomyosarcoma (RMS) is the primary cause of tumour-related deaths. Patients with high-risk RMS have poor prognosis with a 5-year overall survival rate of 20-30%. The lack of specific drug-targeted therapy and chemotherapy resistance are the main reasons for treatment failure. Drugs or molecular target inhibitors can induce the pyroptosis of tumour cells or increase their sensitivity to chemotherapy, making pyroptosis an effective strategy for antitumour therapies. Pyroptosis is mediated by gasdermin (GSDM) family members. Here, we found that the expression of NLRP3, caspase-1, caspase-3, GSDMD and GSDME in RMS was remarkably lower than that in skeletal muscle tissues. Nigericin and dactinomycin in RMS cells achieved their regulatory effect on pyroptosis through the NLRP3/caspase-1/GSDMD pathway and caspase-3/GSDME pathway, respectively. Necrosulfonamide reversed the pyroptosis-related changes induced by nigericin, and siGSDME converted the dactinomycin-induced pyroptosis into apoptosis. Additionally, GEFT inhibited the GSDMD and GSDME pyroptosis pathways, thereby promoting the progression and drug resistance of RMS. Mouse xenograft and tumour analysis confirmed that nigericin and dactinomycin can effectively improve the therapeutic effect of RMS by activating the pyroptosis pathway. To the best of our knowledge, this study was the first to focus on pyroptosis in RMS. Overall, our investigation demonstrated that nigericin and dactinomycin play therapeutic roles in tumours by promoting RMS cell pyroptosis. Interference with GEFT and drug combination can exert a great inhibitory effect on tumours.

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来源期刊
Cell Death & Disease
Cell Death & Disease CELL BIOLOGY-
CiteScore
15.10
自引率
2.20%
发文量
935
审稿时长
2 months
期刊介绍: Brought to readers by the editorial team of Cell Death & Differentiation, Cell Death & Disease is an online peer-reviewed journal specializing in translational cell death research. It covers a wide range of topics in experimental and internal medicine, including cancer, immunity, neuroscience, and now cancer metabolism. Cell Death & Disease seeks to encompass the breadth of translational implications of cell death, and topics of particular concentration will include, but are not limited to, the following: Experimental medicine Cancer Immunity Internal medicine Neuroscience Cancer metabolism
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