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Related Concept Videos

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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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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Role of Myosin in Cell Migration01:18

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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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Cytoskeletal Coordination in Cell Migration01:32

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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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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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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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In vitro Cell Migration and Invasion Assays
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Unravelling cell migration: defining movement from the cell surface.

Francisco Merino-Casallo1,2, Maria Jose Gomez-Benito1,2, Silvia Hervas-Raluy1,2

  • 1Multiscale in Mechanical and Biological Engineering (M2BE), Aragon Institute of Engineering Research (I3A), Zaragoza, Spain.

Cell Adhesion & Migration
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Cell migration is vital for development but also drives cancer metastasis. This review explores the complex molecular and mechanical factors governing cell movement and its implications.

Keywords:
Cell migrationcell mechanicsextracellular matrix

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Area of Science:

  • Cell Biology
  • Biophysics
  • Pathology

Background:

  • Cell motility is fundamental for biological processes, including development and tissue repair.
  • Dysfunctional cell migration is implicated in diseases like cancer metastasis.
  • Cell migration strategies are influenced by cellular phenotype and microenvironmental cues.

Purpose of the Study:

  • To provide a comprehensive overview of current knowledge on cell migration mechanisms.
  • To highlight the interplay between intracellular signaling, cell mechanics, and the extracellular matrix.
  • To synthesize recent advances in understanding the regulation of cell motility.

Main Methods:

  • Literature review of studies on cell motility and migration.
  • Analysis of molecular and biophysical mechanisms governing cell movement.
  • Integration of findings from various research areas including cell biology, biochemistry, and biophysics.

Main Results:

  • Cell migration involves a complex network of transmembrane receptors, adhesion complexes, and cytoskeletal dynamics.
  • Intracellular signaling pathways and cellular mechanical properties are critical regulators of cell migration.
  • The extracellular matrix plays a crucial role in guiding and modulating cell movement.

Conclusions:

  • Understanding cell migration is key to addressing pathological conditions like cancer metastasis.
  • Further research into the intricate mechanisms of cell motility can reveal novel therapeutic targets.
  • This review consolidates current understanding, paving the way for future investigations into cell migration.