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相关概念视频

Cell Migration01:09

Cell Migration

17.0K
Cell migration, the process by which cells move from one location to another, is essential for the proper development and viability of organisms throughout their life. When cells are not able to migrate properly to their ordained locations, various disorders may occur. For example, disruption in cell migration causes chronic inflammatory diseases such as arthritis.
17.0K
Cytoskeletal Coordination in Cell Migration01:32

Cytoskeletal Coordination in Cell Migration

4.7K
A migrating cell changes its shape during the cyclic events of attachment and detachment from the substratum and repositions the cell organelles correspondingly. These complex events are orchestrated by the dynamic cytoskeletal network comprising actin filaments, intermediate filaments, and microtubules. Cytoskeletal crosstalk — the direct and indirect communication between the different components — is crucial for this coordination. Direct communication involves various linker...
4.7K
Chemotaxis and Direction of Cell Migration01:21

Chemotaxis and Direction of Cell Migration

3.4K
Cells can detect chemical cues in their environment and reorganize the cytoskeleton to migrate toward them or away from them. This directional migration, called chemotaxis, is essential during embryogenesis and development, immune response, tissue repair and regeneration, and reproduction. These chemical cues can either attract or repel the cell's movement. For example, axon development is determined by a combination of chemoattractants and chemorepellents that direct the growing axon...
3.4K
Role of Myosin in Cell Migration01:18

Role of Myosin in Cell Migration

2.3K
Myosins are multimeric motor proteins involved in various cellular processes such as migration, adhesion, and proliferation. Myosin II is the most common type in animal cells, which binds and cross-links actin filaments.
Myosin II  is a hexamer comprising two heavy chains with globular heads and coiled-coil tails, two regulatory light chains, and two essential light chains. The ATPase sites on the myosin heads hydrolyze ATP, and the released phosphate generates the force for contraction....
2.3K
Actin Polymerization and Cell Motility01:13

Actin Polymerization and Cell Motility

5.2K
Actin is a family of globular proteins that are highly abundant in eukaryotic cells. It makes up approximately 1-5% of total cell protein concentration. Actin monomers polymerize to form a complex network of polarized filaments, the actin cytoskeleton, that plays a crucial role in many cellular processes, including cell motility, division, endocytosis, and metastasis of cancer cells.
Actin cytoskeleton dynamics can produce pushing, pulling, and resistance forces that help the cell to migrate....
5.2K

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相关实验视频

Updated: Jun 18, 2025

Creating Adhesive and Soluble Gradients for Imaging Cell Migration with Fluorescence Microscopy
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Creating Adhesive and Soluble Gradients for Imaging Cell Migration with Fluorescence Microscopy

Published on: April 4, 2013

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基于优化的合成与有针对性的细胞迁移.

Eric C Havenhill1, Soham Ghosh2

  • 1Department of Mechanical Engineering, Colorado State University, Fort Collins, CO, 80521, USA; Translational Medicine Institute, Colorado State University, Fort Collins, CO, 80521, USA.

Computers in biology and medicine
|July 30, 2024
PubMed
概括
此摘要是机器生成的。

研究人员使用动态模式分解 (DMD) 发现了集体细胞迁移的数学规则. 这使得微机器人能够在复杂的环境中进行最佳路径规划,用于治疗应用.

关键词:
细胞迁移 细胞迁移数据驱动的发现.动态模式分解分解最佳的控制控制是最好的控制.

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Study of Cell Migration in Microfabricated Channels
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相关实验视频

Last Updated: Jun 18, 2025

Creating Adhesive and Soluble Gradients for Imaging Cell Migration with Fluorescence Microscopy
13:10

Creating Adhesive and Soluble Gradients for Imaging Cell Migration with Fluorescence Microscopy

Published on: April 4, 2013

12.6K
Planar Gradient Diffusion System to Investigate Chemotaxis in a 3D Collagen Matrix
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Planar Gradient Diffusion System to Investigate Chemotaxis in a 3D Collagen Matrix

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Study of Cell Migration in Microfabricated Channels
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科学领域:

  • 系统生物学 系统生物学
  • 生物物理学的生物物理.
  • 机器人技术 机器人技术 机器人技术

背景情况:

  • 集体行为是生物系统的基础,从细胞到生物体.
  • 集体细胞迁移 (CCM) 证明了单个细胞的移动是如何受到邻居的影响.

研究的目的:

  • 通过实验数据和动态模式分解 (DMD) 来发现管理CCM的数学规则.
  • 在各种边界条件下验证CCM的预测模型.
  • 为微型机器人设计最佳轨迹,以在治疗应用中克服障碍.

主要方法:

  • 动态模式分解 (DMD) 应用于CCM的实验数据.
  • 使用迪里克莱特,诺伊曼和混合边界条件测试CCM模型.
  • 合成发现了CCM动态,用于微机器人轨迹优化.

主要成果:

  • 从实验数据中确定了CCM的数学规则.
  • 对CCM的预测模型在不同的边界条件中得到了验证.
  • 针对障碍物赛道的最佳微机器人轨迹通过计算生成.

结论:

  • DMD成功地阐明了CCM的数学原理.
  • 合成的动态为高级微机器人路径规划提供了一个框架.
  • 在 silico 结果显示了治疗微机器人应用的潜力,例如有针对性的药物输送.