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Mechanical Manipulation of Neurons to Control Axonal Development
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Quantifying mechanical force in axonal growth and guidance.

Ahmad I M Athamneh1, Daniel M Suter1

  • 1Bindley Bioscience Center, Birck Nanotechnology Center, Department of Biological Sciences, Purdue University West Lafayette, IN, USA.

Frontiers in Cellular Neuroscience
|October 7, 2015
PubMed
Summary

Mechanical force is crucial for neuron growth and repair. This review clarifies its role in axonal guidance and explores methods to measure these forces, guiding future research in neuronal mechanics.

Keywords:
axon elongationbiophysicscytoskeletongrowth cone biomechanicsmechanotransductiontraction force

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Area of Science:

  • Neuroscience
  • Biophysics
  • Cell Biology

Background:

  • Mechanical force is integral to neuronal development, physiology, and regeneration.
  • Force influences growth cone-mediated axonal growth, guidance, and stretch-induced elongation.
  • The precise mechanisms of force in these processes remain largely undefined.

Purpose of the Study:

  • To review current knowledge gaps regarding mechanical force in axonal growth and guidance.
  • To discuss experimental techniques for quantifying forces in axons and growth cones.
  • To explain the variability in reported force values and their significance in neuronal mechanics.

Main Methods:

  • Literature review focusing on mechanical force in neuroscience.
  • Analysis of experimental techniques for force quantification in neuronal structures.
  • Discussion of factors influencing force measurements and interpretation.

Main Results:

  • Identifies key questions about force's role in axonal development and regeneration.
  • Highlights diverse experimental methods for measuring neuronal forces.
  • Explains discrepancies in reported force values within the context of neuronal mechanics.

Conclusions:

  • Quantitative data linking forces, cytoskeletal dynamics, and signaling are needed for understanding directional growth.
  • This review serves as a guide for researchers investigating the mechanical forces in neuronal development and regeneration.
  • Further research is essential to fully elucidate the mechanical principles governing neuronal network formation and repair.