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<p>Gastrointestinal stromal tumors (GIST) are the most common mesenchymal tumors of the gastrointestinal tract, primarily driven by KIT or PDGFRA mutations. Programmed cell death (PCD), including apoptosis, autophagy, and ferroptosis, plays a crucial role in GIST pathogenesis, progression, and treatment response. Non-coding RNAs (ncRNAs) have emerged as key regulators of PCD pathways, influencing GIST proliferation, metastasis, and drug resistance, particularly in response to tyrosine kinase inhibitors (TKIs) such as imatinib. Apoptosis suppression is strongly associated with poor prognosis, while autophagy contributes to tumor dormancy and TKI resistance. Ferroptosis, a novel iron-dependent cell death pathway, represents a promising therapeutic target. Recent evidence suggests that ncRNAs modulate these PCD pathways through interactions with key molecular regulators such as miR-494, miR-30a, and lncRNAs, which affect signaling networks including PI3K/AKT, MAPK, and mTOR. Furthermore, ncRNAs have mediated secondary resistance to imatinib by promoting autophagic flux and altering ferroptosis sensitivity. Understanding the molecular interplay between ncRNAs and PCD in GIST provides novel insights into disease mechanisms and offers potential therapeutic strategies to overcome drug resistance. Targeting ncRNA-mediated regulation of apoptosis, autophagy, and ferroptosis may enhance treatment efficacy and improve patient outcomes. Future research should focus on elucidating the mechanistic roles of ncRNAs in PCD pathways to develop innovative diagnostic and therapeutic approaches for GIST.</p>

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Regulatory roles of non-coding RNAs in programmed cell death pathways and drug resistance in gastrointestinal stromal tumors

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年5月10日

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  • Yuxuan Ma,
  • Yuhao Wang,
  • Shu Wang,
  • Haoyuan Wang,
  • Yan Zhao,
  • Chaosheng Peng,
  • Xin Liu,
  • Jianjun Yang

摘要

Gastrointestinal stromal tumors (GIST) are the most common mesenchymal tumors of the gastrointestinal tract, primarily driven by KIT or PDGFRA mutations. Programmed cell death (PCD), including apoptosis, autophagy, and ferroptosis, plays a crucial role in GIST pathogenesis, progression, and treatment response. Non-coding RNAs (ncRNAs) have emerged as key regulators of PCD pathways, influencing GIST proliferation, metastasis, and drug resistance, particularly in response to tyrosine kinase inhibitors (TKIs) such as imatinib. Apoptosis suppression is strongly associated with poor prognosis, while autophagy contributes to tumor dormancy and TKI resistance. Ferroptosis, a novel iron-dependent cell death pathway, represents a promising therapeutic target. Recent evidence suggests that ncRNAs modulate these PCD pathways through interactions with key molecular regulators such as miR-494, miR-30a, and lncRNAs, which affect signaling networks including PI3K/AKT, MAPK, and mTOR. Furthermore, ncRNAs have mediated secondary resistance to imatinib by promoting autophagic flux and altering ferroptosis sensitivity. Understanding the molecular interplay between ncRNAs and PCD in GIST provides novel insights into disease mechanisms and offers potential therapeutic strategies to overcome drug resistance. Targeting ncRNA-mediated regulation of apoptosis, autophagy, and ferroptosis may enhance treatment efficacy and improve patient outcomes. Future research should focus on elucidating the mechanistic roles of ncRNAs in PCD pathways to develop innovative diagnostic and therapeutic approaches for GIST.