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相关概念视频

The Cell Cycle Control System02:11

The Cell Cycle Control System

The cell cycle is an organized set of events that leads the cell to divide into two daughter cells, each containing chromosomes identical to the parent cell. It is the cell cycle that leads to the formation of an entire organism from a single-cell zygote. Besides, cell division also functions in the renewal or repair of tissues in adult multicellular eukaryotes. For example, in the bone marrow, the stem cells divide to form new blood cells. Although essential for several functions, cell...
The Cell Cycle Control System02:11

The Cell Cycle Control System

The cell cycle is an organized set of events that leads the cell to divide into two daughter cells, each containing chromosomes identical to the parent cell. It is the cell cycle that leads to the formation of an entire organism from a single-cell zygote. Besides, cell division also functions in the renewal or repair of tissues in adult multicellular eukaryotes. For example, in the bone marrow, the stem cells divide to form new blood cells. Although essential for several functions, cell...
The Cell Cycle Control System01:28

The Cell Cycle Control System

The cell cycle regulation directs how a cell proceeds from one phase to the next and begins mitosis. The cell cycle control system includes intracellular regulatory molecules and external triggers. They provide "stop" or "advance" signals and operate at specific cell cycle stages termed checkpoints to ensure that a particular process is completed before the cell advances to the next phase.
Cyclins and cyclin-dependent kinases (Cdks) are the primary cell cycle regulators and function at the cell...

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相关实验视频

Updated: Jun 15, 2026

Studying Proteolysis of Cyclin B at the Single Cell Level in Whole Cell Populations
10:54

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一个垂直集成的系统,用于追踪和评估细胞循环意识的表型在限制条件下.

Melissa Pezzotti1, Eloisa Torchia1, Julius Zimmermann1

  • 1Synthetic Physiology Lab, Department of Civil Engineering and Architecture, University of Pavia, Pavia, Italy.

APL bioengineering
|March 9, 2026
PubMed
概括
此摘要是机器生成的。

空间限制影响细胞迁移和细胞循环 (CC) 进展. 这项研究开发了一个平台来跟踪这些动态,揭示了CC依赖的迁移变异和独一无二的CC异常事件.

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Using Microfluidic Devices to Measure Lifespan and Cellular Phenotypes in Single Budding Yeast Cells
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科学领域:

  • 量化细胞生物学 量化细胞生物学
  • 机械生物学 机械生物学
  • 活细胞成像成像技术

背景情况:

  • 细胞迁移和细胞循环 (CC) 进展通常是独立研究的.
  • 了解它们在空间限制下的相互作用至关重要,但具有挑战性.
  • 现有的测试缺乏用于封闭环境的动态和高通量能力.

研究的目的:

  • 开发一个集成的平台,同时在活细胞中跟踪迁移和CC动态.
  • 研究平面封闭对细胞行为和CC进展的影响.
  • 为了在受控的空间限制下实现CC意识的机械生物学研究.

主要方法:

  • 一个垂直集成的平台,结合了多重光报道器 (用于CC相,actin,tubulin) 和光模式的细胞外矩阵岛.
  • 一个自动成像管道 (Fab2Mic) 用于高通量,活细胞跟踪.
  • 利用HT1080纤维瘤细胞研究平面束下的迁移和CC动态.

主要成果:

  • 平面封闭减少了细胞面积,细胞骨扩散,改变了CC相分布.
  • 观察到异常CC事件的增加,包括长时间的G1和线粒体滑动,仅限于限制.
  • 动态成像显示了CC-依赖的运动性,在G1阶段的迁移更快.

结论:

  • 开发的平台可以访问以前无法通过静态测试获得的动态表型.
  • 该系统使得在受控限制下进行系统的,CC意识的机械生物学研究成为可能.
  • 为细胞生物学中的机理学研究和查应用提供了可扩展的方法.