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<p>RNA-binding proteins (RBPs) play a fundamental role in cellular metabolism, with their disturbance leading to large-scale transcriptomic dysregulation. RBP dysregulation is highly prevalent in human cancers; however, its role in lung adenocarcinoma (LUAD) has not been systematically investigated. To establish a more effective and robust risk model, a machine learning integration program was used to screen hub prognostic RBPs. Our risk model C-index performed extremely well among 103 published signatures. The high-risk group had a lower immune score and worse immunotherapy effects. As one of the members of the RNA helicase family, DDX56 can interact with certain transcription factors, thereby regulating the expression of its downstream targets. DDX56 exerts an anti-apoptotic effect and reduces the sensitivity to carboplatin treatment by promoting Bcl-2 transcription in LUAD cells. Additionally, DDX56 activates NF-kB signaling pathways, which may be related to DDX56-mediated promotion of Bcl-2 transcription, proliferation, migration, and invasion in LUAD patients.</p>

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Identifying the crucial oncogenic mechanisms of DDX56 based on a machine learning-based integration model of RNA-binding proteins

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年7月17日

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  • Hui Jiang,
  • Haotian Zheng,
  • Xinjie Zhao,
  • Yunzhi Xiang,
  • Jiahao Li,
  • Kai Wang,
  • Guanghui Wang,
  • Jiajun Du

摘要

RNA-binding proteins (RBPs) play a fundamental role in cellular metabolism, with their disturbance leading to large-scale transcriptomic dysregulation. RBP dysregulation is highly prevalent in human cancers; however, its role in lung adenocarcinoma (LUAD) has not been systematically investigated. To establish a more effective and robust risk model, a machine learning integration program was used to screen hub prognostic RBPs. Our risk model C-index performed extremely well among 103 published signatures. The high-risk group had a lower immune score and worse immunotherapy effects. As one of the members of the RNA helicase family, DDX56 can interact with certain transcription factors, thereby regulating the expression of its downstream targets. DDX56 exerts an anti-apoptotic effect and reduces the sensitivity to carboplatin treatment by promoting Bcl-2 transcription in LUAD cells. Additionally, DDX56 activates NF-kB signaling pathways, which may be related to DDX56-mediated promotion of Bcl-2 transcription, proliferation, migration, and invasion in LUAD patients.