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Related Concept Videos

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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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 polarity is the asymmetric distribution of cellular and membrane components, making one side of the cell different from the other. This polarity is essential to many processes such as embryogenesis, axon migration, glucose transport across epithelial cells, and directional cell migration. A migrating cell responds to intracellular or extracellular signals via molecular cascades that reorganize the actin cytoskeleton to establish this polarity. In these cells, the Rho family proteins Cdc42,...
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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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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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Related Experiment Video

Updated: Aug 20, 2025

An All-on-chip Method for Rapid Neutrophil Chemotaxis Analysis Directly from a Drop of Blood
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Neutrophil reverse migration.

Qichao Xu1,2, Wenqi Zhao1,2, Mingyang Yan1,2

  • 1Department of Anesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 109 Xueyuan Road, Wenzhou, Zhejiang Province, People's Republic of China, 325027.

Journal of Inflammation (London, England)
|November 24, 2022
PubMed
Summary
This summary is machine-generated.

Neutrophil reverse migration aids inflammation resolution but can spread systemic inflammation. Understanding its mechanisms is crucial for treating neutrophil-mediated diseases.

Keywords:
InflammationNeutrophil reverse migrationNeutrophils

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Area of Science:

  • Immunology
  • Cell Biology
  • Pathology

Background:

  • Neutrophils play a key role in inflammation resolution and tissue repair.
  • Neutrophil reverse migration, observed in zebrafish and mice, involves neutrophils returning to blood vessels from inflammatory sites.
  • This process has dual effects: promoting local inflammation resolution and potentially causing systemic inflammation spread.

Purpose of the Study:

  • To review current knowledge on neutrophil reverse migration.
  • To elucidate the mechanisms and factors influencing this process.
  • To understand the impact of neutrophil reverse migration on inflammation resolution and disease.

Main Methods:

  • Review of existing literature on neutrophil reverse migration.
  • Analysis of advanced imaging techniques used in transgenic zebrafish and mice models.
  • Synthesis of findings related to neutrophil behavior in inflammatory and repair processes.

Main Results:

  • Neutrophil reverse migration is a complex phenomenon with both beneficial and detrimental effects.
  • It accelerates neutrophil clearance from local sites, aiding inflammation resolution.
  • Re-entry into circulation can facilitate systemic inflammation, highlighting the need for precise regulation.

Conclusions:

  • Accurate regulation of neutrophil reverse migration is vital for managing neutrophil-mediated diseases.
  • Further research is needed to fully understand the mechanisms and regulatory factors involved.
  • Elucidating these pathways can lead to novel therapeutic strategies for inflammatory conditions.