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Related Concept Videos

Migration00:53

Migration

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Migration is long-range, seasonal movement from one region or habitat to another. This common strategy, carried out by many different organisms around the world, is an adaptive response that typically corresponds to changes in an organism’s environment, like resource availability or climate. Migrations can involve huge groups of thousands of animals as well as single individuals traveling alone and can range from thousands of kilometers to just a few hundred meters.
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Cell Migration01:19

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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

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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

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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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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.
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Related Experiment Video

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In vitro Cell Migration and Invasion Assays
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In vitro Cell Migration and Invasion Assays

Published on: June 1, 2014

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In Vitro Migration Assays.

Lewis Taylor1, Carlota Recio1, David R Greaves1

  • 1Sir William Dunn School of Pathology, University of Oxford, Oxford, UK.

Methods in Molecular Biology (Clifton, N.J.)
|May 16, 2018
PubMed
Summary
This summary is machine-generated.

Understanding immune cell movement is key for host defense. New real-time macrophage chemotaxis assays provide deeper insights into immune cell recruitment during inflammation and tissue repair.

Keywords:
ChemokinesChemotaxisInflammationMacrophagesMigration

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Area of Science:

  • Immunology and Cell Biology
  • Focuses on the critical role of immune cell migration in host defense and tissue repair processes.

Background:

  • Immune cell recruitment is vital for combating pathogens and healing tissues.
  • Chemotaxis assays, like the Boyden chamber, were crucial for identifying key signaling molecules such as interleukin-1 and chemokines.
  • Established methods have limitations in real-time analysis of immune cell behavior.

Purpose of the Study:

  • To present detailed protocols for advanced, real-time macrophage chemotaxis assays.
  • To offer new methodologies for studying immune cell migration dynamics.
  • To enhance understanding of macrophage chemotaxis regulation.

Main Methods:

  • Detailed protocols for real-time macrophage chemotaxis assays are provided.
  • Utilizes advanced techniques beyond the traditional Boyden chamber.
  • Focuses on in vitro determination of macrophage chemotaxis.

Main Results:

  • New insights into the regulation of macrophage chemotaxis have been gained.
  • Demonstrates the utility of real-time assays for studying immune cell behavior.
  • Highlights the importance of temporal dynamics in chemotaxis.

Conclusions:

  • Real-time chemotaxis assays offer significant advantages for studying macrophage behavior.
  • These advanced techniques provide a more nuanced understanding of immune cell recruitment.
  • The described protocols can advance research in inflammation, immunity, and regenerative medicine.