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相关概念视频

Cell Migration01:19

Cell Migration

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Cell migration is a process by which the cells move from one location to another, playing an essential role in embryological development, repair and regeneration, immune response, and metastasis. Cells migrate in response to chemical or mechanical signals generated by specific organs or tissues. The overall mechanism includes three steps - polarization, protrusion, and release. Polarization involves the formation of a distinct cell front and rear, which determines the direction of movement.
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Overview of Cell-Matrix Interactions01:24

Overview of Cell-Matrix Interactions

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The extracellular matrix or ECM holds cells together to form a tissue and allows the cells within the tissue to communicate. ECM comprises proteins such as fibronectin, collagen, laminin, etc. The most abundant protein in this space is collagen. Collagen fibers are interwoven with carbohydrate-containing protein molecules called proteoglycans. ECM allows cell migration and provides a structural scaffold at cell adhesion that anchors the cell when the extracellular matrix proteins interact with...
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Fluid Connective Tissues: Blood and Lymph01:20

Fluid Connective Tissues: Blood and Lymph

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Blood and lymph are fluid connective tissues. They contain cells, also known as formed elements, circulating in a liquid extracellular matrix, the plasma. The formed elements are derived from hematopoietic stem cells in the bone marrow. Blood and lymph connect all vital parts and carry nutrients, oxygen, and other essential molecules like antibodies.
Blood
The blood flows through blood vessels— arteries, capillaries, and veins. Blood plasma is primarily made of proteins, solutes, and...
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Cell-matrix's Response to Mechanical Forces01:13

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In animal cells, the extracellular matrix allows cells within tissues to withstand external stresses and transmits signals from the outside of the cell to the inside. The extracellular matrix is extensive, and its composition varies between different types of tissues. For example, the reticular fibers and ground substance make up the ECM in loose connective tissue, while collagen and bone minerals make up the ECM of bone tissue. 
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Cell Motility through Blebbing01:16

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Blebs are a type of membrane protrusion formed by the internal hydrostatic pressure of the cytoplasm. Blebs are observed in several cell types, including fibroblasts, immune cells, and single-celled organisms like the amoeba. The primary function of blebs is cell locomotion and apoptosis, but they are also found during necrosis and cell division. The life cycle of a bleb comprises an initiation phase followed by the expansion and retraction phases.
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Embryonic Connective Tissues01:20

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During early development, the embryo forms two types of connective tissues— the mesenchyme and mucoid connective tissue.
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Updated: Jun 9, 2025

Three-dimensional Cell Culture Model for Measuring the Effects of Interstitial Fluid Flow on Tumor Cell Invasion
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Three-dimensional Cell Culture Model for Measuring the Effects of Interstitial Fluid Flow on Tumor Cell Invasion

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组织形态发生过程中的细胞间流体动力学

Louise Dagher1, Stéphanie Descroix2, Jean-Léon Maître3

  • 1Institut Curie, CNRS UMR3215, INSERM U934, PSL Research University, 75005 Paris, France; Institut Curie, Laboratoire Physics of Cells and Cancer (CNRS UMR 168), Institut Pierre-Gilles de Gennes, Sorbonne Université, PSL Research University, 6 rue Jean Calvin, 75005 Paris, France.

Current biology : CB
|October 22, 2024
PubMed
概括
此摘要是机器生成的。

细胞积极控制细胞间流体动力学,这对于胚胎发育期间的组织形态发生至关重要. 这篇评论探讨了研究这些重要流体运动的细胞机制和实验方法.

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科学领域:

  • 发展生物学 发展生物学
  • 细胞生物学 细胞生物学
  • 生物物理学的生物物理.

背景情况:

  • 细胞间液体对于组织特性和细胞在发育过程中的行为至关重要.
  • 细胞间流体动力学在组织形态发生过程中的作用尚未得到充分研究.
  • 胚胎发育依赖于精确控制流体环境.

研究的目的:

  • 审查控制组织内细胞间流体运动的细胞机制.
  • 突出流体动力学在组织形态发生过程中的重要性.
  • 讨论研究细胞间流体的实验和理论方法.

主要方法:

  • 细胞机制的审查:紧密的连接,透式送,水力压裂,收缩,眼.
  • 案例研究:小鼠早期胚胎发育和光线形成.
  • 讨论实验技术,用于体内液体的表征和操纵.

主要成果:

  • 细胞采用多种机制来调节通过和组织区内的流体流动.
  • 细胞间流体动力学显著影响组织成形和形态发生.
  • 早期的小鼠胚胎作为理解由流体动力学驱动的光线形成的模型.

结论:

  • 了解细胞间流体动力学对于推进发育生物学至关重要.
  • 需要综合实验和理论方法来充分理解液体-组织相互作用.
  • 细胞对流体环境的控制是胚胎发育的一个基本方面.