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<p>Acute Myeloid Leukemia (AML) is a highly heterogeneous malignant hematologic cancer with poor clinical outcome. The presence of leukemia stem cells (LSC) is a significant factor contributing to the failure of AML treatments and frequent relapses. The quiescent and plastic nature of LSC decreases cell death under conventional chemotherapy. Programmed cell death (PCD) plays a critical role in the development and progression of various cancers including AML. We hypothesized that the expression of PCD gene in LSCs may predict the therapeutic outcome of AML patients in the clinic. In this study, we comprehensively analyzed the expression of PCD gene and identified the unique expression patterns of cell death genes of LSC. By integrating PCD- and LSC-related genes, we identified eight LSC death genes with prognostic values: OAZ1, S100A4, MPG, IL2RA, MMRN1, CDK6, HOXA9, and XIRP2. Based on these genes, we developed a leukemia stem cell prognostic death score (LSCD) and a prognostic nomogram. Our findings revealed that LSC, particularly Quiescent LSPC, exhibits a high LSCD score. AML patients with high LSCD score group showed characteristics of significant immune dysfunction and worse prognosis. Additionally, predictions regarding FDA-approved drugs indicated that the high LSCD score group is less sensitive to Venetoclax but more sensitive to Crenolanib, Tandutinib, or Midostaurin. In summary, we developed an LSCD model that shows the predictive potential of clinical prognosis and drug sensitivity. This model provides meaningful insights for personalized treatment of AML patients.</p>

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Signature of leukemia stem cell death pattern predicts prognosis and therapeutic response of acute myeloid leukemia patients

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年8月27日

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  • Fuqiang Wang,
  • Minjie Li,
  • Nan Cui,
  • Qiyue Fu,
  • Fei Li,
  • Zhimin Gu

摘要

Acute Myeloid Leukemia (AML) is a highly heterogeneous malignant hematologic cancer with poor clinical outcome. The presence of leukemia stem cells (LSC) is a significant factor contributing to the failure of AML treatments and frequent relapses. The quiescent and plastic nature of LSC decreases cell death under conventional chemotherapy. Programmed cell death (PCD) plays a critical role in the development and progression of various cancers including AML. We hypothesized that the expression of PCD gene in LSCs may predict the therapeutic outcome of AML patients in the clinic. In this study, we comprehensively analyzed the expression of PCD gene and identified the unique expression patterns of cell death genes of LSC. By integrating PCD- and LSC-related genes, we identified eight LSC death genes with prognostic values: OAZ1, S100A4, MPG, IL2RA, MMRN1, CDK6, HOXA9, and XIRP2. Based on these genes, we developed a leukemia stem cell prognostic death score (LSCD) and a prognostic nomogram. Our findings revealed that LSC, particularly Quiescent LSPC, exhibits a high LSCD score. AML patients with high LSCD score group showed characteristics of significant immune dysfunction and worse prognosis. Additionally, predictions regarding FDA-approved drugs indicated that the high LSCD score group is less sensitive to Venetoclax but more sensitive to Crenolanib, Tandutinib, or Midostaurin. In summary, we developed an LSCD model that shows the predictive potential of clinical prognosis and drug sensitivity. This model provides meaningful insights for personalized treatment of AML patients.