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Combining two or more treatment methods increases the life span of cancer patients while reducing damage to vital organs or tissue from the overuse of a single treatment. Combination therapy also targets different cancer-inducing pathways, thus reducing the chances of developing resistance to treatment.
The combination of the drug acetazolamide and sulforaphane is a good example of combination therapy to treat cancer. The cells in the interior of a large tumor often die due to the hypoxic and...
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A Combinatorial Single-cell Approach to Characterize the Molecular and Immunophenotypic Heterogeneity of Human Stem and Progenitor Populations
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单细胞剖析区分白血病选择性化学类型

Hannah L Thirman1,2,3,4, Madeline J Hayes1,2,3, Lauren E Brown5

  • 1Department of Cell and Developmental Biology, Vanderbilt University, Nashville, TN, USA.

bioRxiv : the preprint server for biology
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PubMed
概括

研究人员确定了特定的rocaglate化合物,这些化合物在白血病细胞中选择性地触发DNA损伤反应,但不是健康细胞. 这一发现突出了潜在的新型癌症疗法,以最小的副作用针对恶性细胞.

关键词:
洛卡格莱特斯 (Rocaglates) 是一种红糖.癌症 癌症 癌症 癌症 癌症细胞信号传递是细胞的信号传递.化学生物学 化学生物学细胞计量细胞计量方法体-流动的体.

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科学领域:

  • 化学生物学是化学生物学.
  • 分子药理学分子药理学
  • 蜂信号传输是如何进行的

背景情况:

  • 区分具有结构-活性关系的分子家族对于开发细胞选择性疗法至关重要.
  • 分子中的小结构变化可以导致细胞反应和细胞类型之间的生物活性有显著差异.

研究的目的:

  • 选一组多样化的化学化合物,以检测它们调节细胞基本生物过程的能力.
  • 为了识别选择性诱导癌细胞中DNA损伤反应的分子,同时保护健康细胞.

主要方法:

  • 利用一种新的光流量试验来追踪MV411白血病细胞中的DNA损伤反应,细胞亡,细胞循环和蛋白质合成.
  • 从波士顿大学分子发现中心 (BU-CMD) 多样性集中选了600种化合物.
  • 在白血病和健康的外周血液单核细胞中使用1200万个细胞测量对37种选择的罗卡格拉特化合物进行了深入的表征.

主要成果:

  • 合成的罗卡格拉特原体表现出显著的生物活性,其中92%在人体细胞中表现出活性.
  • 65%的被选择的rocaglates选择性地诱导了白血病细胞的DNA损伤反应,与健康的血细胞相比.
  • 三种rocaglate pyrimidinone (RP) 亚类化合物独特地激活了白血病细胞中强烈的DNA损伤反应,而不影响健康细胞.

结论:

  • 罗卡格拉特胺 (RP) 亚类显示出针对DNA损伤反应途径的抗癌治疗开发的巨大潜力.
  • 单细胞剖析有效地解剖了化学物质的结构变异如何对健康和生病细胞产生不同影响.
  • 这种方法为发现细胞选择性化学效应剂提供了一个平台.