Determining the Role of Metabolism in Resistance in Acute Myeloid Leukemia

确定代谢在急性髓系白血病耐药中的作用

基本信息

项目摘要

 DESCRIPTION (provided by applicant): Altered metabolism plays a central role in malignancy and has recently been named an emerging hallmark of cancer. Acute myeloid leukemia (AML) utilizes altered metabolism to maximize cell growth and survival. The interest in cancer cell metabolism has led to the development of novel therapies that target metabolic pathways. CPI-613 is a novel agent that targets the TCA cycle currently under development for the treatment of AML. How AML cells alter their metabolic pathways in response to chemotherapy or metabolically targeted agents like CPI-613 is not currently known. We hypothesize that AML cells following treatment with chemotherapy will up-regulate energy generation through the TCA cycle, glycolysis and autophagy and further that inhibition of one of these pathways will shift energy production to the other two. The aims of this proposal are 1) determine the role of the master metabolic regulator AMPK in response to inhibition of the TCA cycle with the novel agent CPI-613, 2) determine the contribution of glycolysis and autophagy as alternative energy pathways when the TCA cycle is inhibited and 3) determine the changes in AML cell metabolism in response to standard chemotherapy agents. The results from this study will 1) uncover the role of AMPK in coordinating energy production following inhibition of the TCA cycle, 2) establish the role of glycolysis and autophagy as escape pathways for energy generation when the TCA cycle is inhibited and 3) demonstrate that AML cells up-regulate TCA cycle activity, glycolysis and autophagy following treatment with chemotherapy. These results have direct clinical implications. The TCA cycle inhibitor CPI-613 is under clinical development, the autophagy inhibitor chloroquine is FDA approved and the glycolysis inhibitor 2-deoxyglucose is under development. The proposed studies will assist in the development of novel treatment strategies for AML.
 描述(由申请人提供):代谢改变在恶性肿瘤中起核心作用,最近被命名为癌症的新标志。急性髓性白血病(AML)利用改变的代谢来最大化细胞生长和存活。对癌细胞代谢的兴趣导致了靶向代谢途径的新疗法的发展。CPI-613是一种靶向TCA循环的新型药物,目前正在开发用于治疗AML。AML细胞如何改变其代谢途径以响应化疗或代谢靶向药物如CPI-613目前尚不清楚。我们假设,化疗后的AML细胞将通过TCA循环、糖酵解和自噬上调能量产生,进一步抑制其中一种途径将使能量产生转移到其他两种途径。该提案的目的是1)确定主代谢调节剂AMPK响应于用新试剂CPI-613抑制TCA循环的作用,2)确定当TCA循环被抑制时糖酵解和自噬作为替代能量途径的贡献,以及3)确定AML细胞代谢响应于标准化疗剂的变化。这项研究的结果将1)揭示AMPK在抑制TCA循环后协调能量产生中的作用,2)建立糖酵解和自噬作为TCA循环被抑制时能量产生的逃逸途径的作用,3)证明AML细胞在化疗后上调TCA循环活性,糖酵解和自噬。这些结果具有直接的临床意义。TCA循环抑制剂CPI-613正在临床开发中,自噬抑制剂氯喹已获得FDA批准,糖酵解抑制剂2-脱氧葡萄糖正在开发中。拟议的研究将有助于开发AML的新治疗策略。

项目成果

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Timothy Sebastian Pardee其他文献

Timothy Sebastian Pardee的其他文献

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{{ truncateString('Timothy Sebastian Pardee', 18)}}的其他基金

Translational Oncology Training Program
转化肿瘤学培训计划
  • 批准号:
    10115676
  • 财政年份:
    2020
  • 资助金额:
    $ 35.46万
  • 项目类别:
Translational Oncology Training Program
转化肿瘤学培训计划
  • 批准号:
    10374747
  • 财政年份:
    2020
  • 资助金额:
    $ 35.46万
  • 项目类别:
Translational Oncology Training Program
转化肿瘤学培训计划
  • 批准号:
    10599892
  • 财政年份:
    2020
  • 资助金额:
    $ 35.46万
  • 项目类别:
Determining the Role of Metabolism in Resistance in Acute Myeloid Leukemia
确定代谢在急性髓系白血病耐药中的作用
  • 批准号:
    9913481
  • 财政年份:
    2016
  • 资助金额:
    $ 35.46万
  • 项目类别:
Determining the Role of Metabolism in Resistance in Acute Myeloid Leukemia
确定代谢在急性髓系白血病耐药中的作用
  • 批准号:
    9053051
  • 财政年份:
    2016
  • 资助金额:
    $ 35.46万
  • 项目类别:
Metabolic contribution to cell viability and therapy resistance in the acute
急性疾病中代谢对细胞活力和治疗耐药性的贡献
  • 批准号:
    8354423
  • 财政年份:
    2012
  • 资助金额:
    $ 35.46万
  • 项目类别:
Metabolic contribution to cell viability and therapy resistance in the acute
急性疾病中代谢对细胞活力和治疗耐药性的贡献
  • 批准号:
    8507659
  • 财政年份:
    2012
  • 资助金额:
    $ 35.46万
  • 项目类别:
Metabolic contribution to cell viability and therapy resistance in the acute
急性疾病中代谢对细胞活力和治疗耐药性的贡献
  • 批准号:
    8868066
  • 财政年份:
    2012
  • 资助金额:
    $ 35.46万
  • 项目类别:
Metabolic contribution to cell viability and therapy resistance in the acute
急性疾病中代谢对细胞活力和治疗耐药性的贡献
  • 批准号:
    8685202
  • 财政年份:
    2012
  • 资助金额:
    $ 35.46万
  • 项目类别:

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