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Related Experiment Video

Updated: Feb 19, 2026

A Neurite Outgrowth Assay and Neurotoxicity Assessment with Human Neural Progenitor Cell-Derived Neurons
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Neurite Outgrowth Assay.

Angela R Filous1, Jerry Silver1

  • 1Department of Neurosciences, Case Western Reserve University, Cleveland, USA.

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|October 31, 2017
PubMed
Summary
This summary is machine-generated.

This study details a method for culturing dorsal root ganglion (DRG) neurons to measure neurite outgrowth. This technique allows researchers to easily assess how different substrates and factors influence neuron growth and behavior.

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Area of Science:

  • Neuroscience
  • Cell Biology
  • Developmental Biology

Background:

  • Neurite outgrowth is crucial for neuronal development and function.
  • Assessing neurite outgrowth in vitro is a common method to study neuronal responses.
  • Dorsal root ganglion (DRG) neurons are frequently used models for studying peripheral nerve development and regeneration.

Purpose of the Study:

  • To describe a standardized protocol for isolating and culturing dorsal root ganglion (DRG) neurons.
  • To establish a method for quantifying neurite outgrowth from cultured DRG neurons.
  • To provide a basis for investigating the effects of substrates and exogenous factors on DRG neuron behavior.

Main Methods:

  • Isolation and dissociation of primary dorsal root ganglion (DRG) neurons from their source.
  • Culture of dissociated DRG neurons on prepared coverslips.
  • Microscopic imaging and measurement of the longest neurite outgrowth per neuron.

Main Results:

  • Successful isolation and culturing of viable DRG neurons were achieved.
  • A reproducible method for measuring neurite outgrowth length was established.
  • The protocol allows for quantitative comparison of neurite extension under different experimental conditions.

Conclusions:

  • The described protocol provides a robust and accessible method for studying neurite outgrowth in DRG neurons.
  • This technique facilitates the investigation of factors influencing neuronal regeneration and development.
  • The findings support the use of this method for screening potential therapeutic substrates or drugs affecting neuronal growth.