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Related Concept Videos

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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Cell Migration01:09

Cell Migration

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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.
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Cancer Cell Migration through Invadopodia01:35

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Invadosome is a broad category of cell surface structures with proteolytic activity that  degrades the extracellular matrix (ECM). Invadosomes are present in normal cell types, including macrophages, endothelial cells, and neurons, as well as tumor cells. Although the macrophage podosomes and tumor cell invadopodia are classified as invadosomes, they have different structures, molecular pathways, and functions. Podosomes are short structures that last for a few minutes. However,...
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Chemotaxis and Direction of Cell Migration01:21

Chemotaxis and Direction of Cell Migration

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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...
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Role of Myosin in Cell Migration01:18

Role of Myosin in Cell Migration

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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....
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Cytoskeletal Coordination in Cell Migration01:32

Cytoskeletal Coordination in Cell Migration

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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...
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Study of Cell Migration in Microfabricated Channels
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Study of Cell Migration in Microfabricated Channels

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Using Single-Protein Tracking to Study Cell Migration.

Thomas Orré1,2, Amine Mehidi1,2, Sophie Massou1,2

  • 1Interdisciplinary Institute for Neuroscience, UMR 5297, University of Bordeaux, Bordeaux, France.

Methods in Molecular Biology (Clifton, N.J.)
|March 12, 2018
PubMed
Summary
This summary is machine-generated.

Single-molecule imaging allows studying molecular mechanisms of cell migration inside living cells. These advanced techniques are crucial for understanding cell movement at the molecular level.

Keywords:
Cell migrationIntegrin-dependent adhesionLamellipodiumSingle-protein trackingSuperresolution microscopy

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Area of Science:

  • Cell Biology
  • Molecular Biology
  • Biophysics

Background:

  • Understanding cell migration is crucial in biology.
  • Molecular mechanisms orchestrate cell movement.
  • Recent advances enable single-molecule studies in vivo.

Purpose of the Study:

  • To describe the application of single-molecule imaging in cell migration research.
  • To highlight how these methods decipher molecular mechanisms.
  • To provide insights into future research directions.

Main Methods:

  • Single-molecule imaging techniques.
  • Live-cell imaging.
  • Molecular tracking within migrating cells.

Main Results:

  • Demonstration of feasibility of single-molecule studies in living cells.
  • Insights into molecular players in cell migration.
  • Validation of advanced imaging for biological questions.

Conclusions:

  • Single-molecule imaging is a powerful tool for cell migration research.
  • Molecular-level understanding of cell migration is achievable.
  • Future applications in deciphering complex cellular processes.