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Related Concept Videos

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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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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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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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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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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Mechanism of Lamellipodia Formation01:31

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Cells migrating in response to external stimuli form lamellipodia, which are thin membrane protrusions supported by a mesh of linked, branched, or unbranched actin filaments. These actin filaments interact with myosin motor proteins, creating the dynamic actomyosin complex within the cytoskeleton. Contractility, or the ability to generate contractile stress, is inherent to the actomyosin complex. It helps cells detect the stiffness of the surrounding ECM and exert contractile force for...
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Related Experiment Video

Updated: Jan 9, 2026

Measuring Cell-Edge Protrusion Dynamics during Spreading using Live-Cell Microscopy
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Migrasomes: the "functional footprints" left by cell migration.

Yue Liu1, Xingwen Chen1, Jun Zhou2

  • 1Department of Central Laboratory, Jintan Hospital, Jiangsu University, Jintan, P.R. China.

Cell Cycle (Georgetown, Tex.)
|December 10, 2025
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Migrasomes, signal-rich vesicles from migrating cells, offer insights into cell communication and disease mechanisms. Further research could unlock their potential for diagnostics and therapeutics.

Keywords:
Migrasomesextracellular vesiclesphysiological and pathological functions

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Last Updated: Jan 9, 2026

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Area of Science:

  • Cell Biology
  • Biochemistry
  • Pathology

Background:

  • Migrasomes are novel membrane-bound vesicles originating from retraction fibers of migrating cells.
  • These signal-rich complexes contain diverse bioactive components crucial for intercellular communication and microenvironmental regulation.

Purpose of the Study:

  • To review the discovery, biogenesis, and biological functions of migrasomes.
  • To highlight the emerging roles of migrasomes in disease mechanisms, diagnostics, and therapeutics.

Main Methods:

  • Literature review of migrasome research.
  • Analysis of current understanding of migrasome biogenesis and function.
  • Exploration of methodological advancements in migrasome research.

Main Results:

  • Migrasomes play roles in intercellular communication and microenvironmental regulation.
  • Accumulating evidence suggests migrasomes are involved in physiological and pathological processes.
  • Migrasomes show potential in elucidating disease mechanisms and developing biomarkers.

Conclusions:

  • Migrasome research is rapidly expanding biological knowledge.
  • Migrasomes present unique potential for disease biomarker development and therapeutic targeting.
  • Clinical translation of migrasomes in diagnostics and therapeutics warrants further investigation.