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Live Cell Imaging during Mechanical Stretch
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Mechanical stretch modulates cell migration in the lungs.

Cecilia López-Martínez1,2, Covadonga Huidobro2, Guillermo M Albaiceta1,2,3

  • 1Departamento de Biología Funcional, Instituto Universitario de Oncología del Principado de Asturias, Universidad de Oviedo, Oviedo, Spain.

Annals of Translational Medicine
|February 13, 2018
PubMed
Summary
This summary is machine-generated.

Cell migration is crucial for tissue repair. Mechanical stretch, common in acute lung injury, significantly impacts cell migration processes, affecting potential repair therapies.

Keywords:
Lung repairacute lung injurycell migrationmechanical stretch

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Area of Science:

  • Cellular Biology
  • Biomedical Engineering
  • Physiology

Background:

  • Cell migration is essential for maintaining tissue homeostasis and repair.
  • Chemotactic signals trigger cytoskeletal changes, genomic reprogramming, and extracellular matrix (ECM) modification for cell movement.
  • Acute lung injury involves increased mechanical stretch, impacting cellular functions.

Purpose of the Study:

  • To explore the interaction between mechanical stretch and the cellular machinery governing cell migration.
  • To understand how mechanical stress influences the mechanisms of cell migration in the context of lung repair.
  • To inform the development of novel therapeutic strategies for acute lung injury.

Main Methods:

  • This review synthesizes existing research on cell migration and mechanical stretch.
  • It analyzes the molecular and cellular responses to mechanical load during injury.
  • The review adopts a translational approach, connecting basic science findings to clinical applications.

Main Results:

  • Increased mechanical stretch alters cytoskeletal dynamics, gene expression, and ECM remodeling, all critical for cell migration.
  • These alterations can impede or modify the normal cell migration pathways necessary for tissue repair.
  • Understanding these stretch-induced modifications is key to addressing impaired lung healing.

Conclusions:

  • The interplay between mechanical stretch and cell migration machinery is a critical factor in acute lung injury.
  • Therapeutic strategies for acute lung injury must consider the effects of mechanical stretch on cell migration.
  • Targeting these interactions holds promise for developing effective treatments to promote lung repair.