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相关概念视频

Destabilization of Microtubules01:45

Destabilization of Microtubules

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The destabilization of microtubules can occur during different stages of the microtubule lifecycle, such as nucleation or elongation. It can take place at either end of the microtubule or in the microtubule lattices as a whole. The lifespan of individual microtubules within a cell varies according to the cell type and stage of the cell cycle. During interphase, the lifespan of the microtubule is about 30 minutes, while during cell division, it is about 15 minutes. In axonal microtubules of...
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Abnormal Proliferation02:23

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Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the...
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Inhibition of Cdk Activity02:34

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The orderly progression of the cell cycle depends on the activation of Cdk protein by binding to its cyclin partner. However, the cell cycle must be restricted when undergoing abnormal changes. Most cancers correlate to the deregulated cell cycle, and since Cdks are a central component of the cell cycle, Cdk inhibitors are extensively studied to develop anticancer agents. For instance, cyclin D associates with several Cdks, such as Cdk 4/6, to form an active complex. The cyclin D-Cdk4/6 complex...
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Positive regulators allow a cell to advance through cell cycle checkpoints. Negative regulators have an equally important role as they terminate a cell’s progression through the cell cycle—or pause it—until the cell meets specific criteria.
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The spindle assembly checkpoint is a molecular surveillance mechanism ensuring the fidelity of chromosome segregation during anaphase. The checkpoint monitors the completion of all the prerequisite steps before chromosome segregation to determine whether the segregation process should proceed or be delayed.
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At the transition from prophase to metaphase, there is a reduction in cohesion along the chromosomal arms, resulting in the resolution of sister chromatids. However, residual cohesin connections remain to hold the sister chromatids together until the transition from metaphase to anaphase. The residual connection prevents any premature separation of sister chromatids, blocking the risks of aneuploidy within the daughter cells.
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相关实验视频

Updated: Jul 20, 2025

Methods for Evaluating the Role of c-Fos and Dusp1 in Oncogene Dependence
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白血病中的SETD1A功能是通过与线粒细胞调节器BuGZ/BUB3的相互作用来调节的.

Sarah Perlee1,2, Sota Kikuchi3, Tomoyoshi Nakadai4

  • 1Department of Cancer Biology and Genetics, Memorial Sloan Kettering Cancer Center, New York, NY, USA.

EMBO reports
|August 3, 2023
PubMed
概括

SETD1A蛋白质通过与环林K和BuGZ/BUB3蛋白相互作用,对白血病细胞生存至关重要. 抑制这些相互作用可以协同地阻止白血病细胞的生长,从而提供新的治疗点.

关键词:
这是一个BUGZZ.修复DNA的修复DNA的修复在白血病中,白血病.在SETD1AA中.转录 转录 转录 转录

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Combining Mitotic Cell Synchronization and High Resolution Confocal Microscopy to Study the Role of Multifunctional Cell Cycle Proteins During Mitosis
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科学领域:

  • 分子生物学分子生物学
  • 癌症生物学 癌症生物学
  • 表观遗传学 在表观遗传学中,表观遗传学是指表观遗传学.

背景情况:

  • H3K4甲基转移酶SETD1A对于白血病细胞生存至关重要.
  • 在SETD1A的非催化FLOS域中介于与环林K的相互作用,并调节DNA损伤反应基因.

研究的目的:

  • 识别SETD1A FLOS域的功能核定位信号和交互伙伴.
  • 研究SETD1A-BuGZ/BUB3相互作用在白血病中的作用.

主要方法:

  • 使用SETD1A FLOS域进行蛋白相互作用查.
  • 功能性试验涉及抑制SETD1A相互作用动机.
  • 细胞周期特定的SETD1A恢复试验.

主要成果:

  • 该SETD1A FLOS域结合了与线粒分裂相关的蛋白质BuGZ/BUB3.
  • 抑制环林K和BuGZ/BUB3结合基因显示出协同作用的抗白血病效应.
  • BuGZ/BUB3局部化到特定的监管区域,它们与SETD1A的相互作用对扩散至关重要.

结论:

  • SETD1A与BuGZ/BUB3相互作用,有助于白血病细胞的存活和增殖.
  • 针对SETD1A与cyclin K和BuGZ/BUB3的相互作用,为白血病提供了一个潜在的协同治疗策略.
  • 在G1/S阶段的SETD1A表达对DNA损伤反应和白血病细胞周期进展至关重要.