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<p>The incidence of endometrial cancer (EC) continues to rise. Disulfidptosis, a novel form of cell death, may represent a potential therapeutic target in EC. Through bioinformatic analysis of The Cancer Genome Atlas (TCGA) database, E2F1 mRNA-stabilizing lncRNA (EMSLR) was identified as a lncRNA related to disulfidptosis in EC. Functional assays, including cell proliferation and xenograft assays, demonstrated that knockdown of EMSLR significantly impeded EC cell proliferation, whereas overexpression of EMSLR promoted cell viability. Additionally, EMSLR was found to be associated with glucose uptake and NADPH production in glucose-restricted culture conditions. Moreover, downregulation of EMSLR markedly increased cell death and induced cytoskeletal collapse under glucose deprivation, as evidenced by F-actin and cell death staining. Notably, we observed a strong correlation between EMSLR and the c-MYC-GLUT1 pathway. Mechanistically, EMSLR was found to mediate the expression and nuclear translocation of c-MYC, thereby regulating the progression of EC and its associated disulfidptosis. In conclusion, EMSLR is identified as a disulfidptosis-related gene in endometrial cancer. Elucidating the function and molecular mechanisms of EMSLR in EC presents a promising avenue for therapeutic intervention in patients.</p>

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The involvement of lncRNA EMSLR in the disulfidptosis and progression of endometrial carcinoma

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年8月14日

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  • Yixuan Sun,
  • Ruiwen Wang,
  • Xinzhu Li,
  • Wanzhen Zhou,
  • Huixian Huang,
  • Yang Zhou,
  • Xiaolu Zhu,
  • Yifan Yin,
  • Yincheng Teng

摘要

The incidence of endometrial cancer (EC) continues to rise. Disulfidptosis, a novel form of cell death, may represent a potential therapeutic target in EC. Through bioinformatic analysis of The Cancer Genome Atlas (TCGA) database, E2F1 mRNA-stabilizing lncRNA (EMSLR) was identified as a lncRNA related to disulfidptosis in EC. Functional assays, including cell proliferation and xenograft assays, demonstrated that knockdown of EMSLR significantly impeded EC cell proliferation, whereas overexpression of EMSLR promoted cell viability. Additionally, EMSLR was found to be associated with glucose uptake and NADPH production in glucose-restricted culture conditions. Moreover, downregulation of EMSLR markedly increased cell death and induced cytoskeletal collapse under glucose deprivation, as evidenced by F-actin and cell death staining. Notably, we observed a strong correlation between EMSLR and the c-MYC-GLUT1 pathway. Mechanistically, EMSLR was found to mediate the expression and nuclear translocation of c-MYC, thereby regulating the progression of EC and its associated disulfidptosis. In conclusion, EMSLR is identified as a disulfidptosis-related gene in endometrial cancer. Elucidating the function and molecular mechanisms of EMSLR in EC presents a promising avenue for therapeutic intervention in patients.