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Related Experiment Video

Updated: Jun 16, 2026

A Neurosphere Assay to Evaluate Endogenous Neural Stem Cell Activation in a Mouse Model of Minimal Spinal Cord Injury
09:08

A Neurosphere Assay to Evaluate Endogenous Neural Stem Cell Activation in a Mouse Model of Minimal Spinal Cord Injury

Published on: September 13, 2018

2,4-Dinitrophenol blocks neurodegeneration and preserves sciatic nerve function after trauma.

Rodrigo F Madeiro da Costa1, Ana M Blanco Martinez, Sergio T Ferreira

  • 1Programa de Bioquimica e Biofisica Celular, Instituto de Bioquímica Médica, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.

Journal of Neurotrauma
|February 11, 2010
PubMed
Summary

2,4-dinitrophenol (DNP) administration effectively prevented nerve degeneration and preserved limb function after sciatic nerve crush injury in mice. This suggests DNP as a potential therapeutic agent for nerve injury.

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Neurogenesis and Regeneration of Nervous Tissue01:15

Neurogenesis and Regeneration of Nervous Tissue

In the CNS, neurogenesis, the birth of new neurons from stem cells, is limited to the hippocampus in adults. In other regions of the brain and spinal cord, neurogenesis is almost non-existent due to inhibitory influences from neuroglia, especially oligodendrocytes, and the absence of growth-stimulating cues. The myelin produced by oligodendrocytes in the CNS inhibits neuronal regeneration. Furthermore, astrocytes proliferate rapidly after neuronal damage, forming scar tissue that physically...

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Area of Science:

  • Neuroscience
  • Pharmacology
  • Biochemistry

Background:

  • Nerve degeneration poses a significant challenge in neurodegenerative diseases and nervous system trauma.
  • Identifying effective treatments for nerve injury is crucial for patient recovery and quality of life.

Purpose of the Study:

  • To investigate the neuroprotective effects of 2,4-dinitrophenol (DNP) on sciatic nerve degeneration following crush injury.
  • To evaluate the impact of DNP on axonal integrity, cytoskeletal structure, and key neuronal proteins.

Main Methods:

  • Sciatic nerve crush injury was induced in mice.
  • Animals received systemic administration of DNP or vehicle (PBS).
  • Nerve tissues were analyzed using light and electron microscopy, morphometry, and immunohistochemistry; functional limb tests were performed.

Related Experiment Videos

Last Updated: Jun 16, 2026

A Neurosphere Assay to Evaluate Endogenous Neural Stem Cell Activation in a Mouse Model of Minimal Spinal Cord Injury
09:08

A Neurosphere Assay to Evaluate Endogenous Neural Stem Cell Activation in a Mouse Model of Minimal Spinal Cord Injury

Published on: September 13, 2018

Main Results:

  • DNP treatment prevented axonal degeneration and blocked cytoskeletal disintegration in injured sciatic nerves.
  • DNP preserved the immunoreactivity of amyloid precursor protein (APP) and Neuregulin 1 (Nrg1).
  • DNP-treated animals showed preserved limb function compared to controls.

Conclusions:

  • Systemic administration of DNP demonstrates significant neuroprotective effects against nerve injury.
  • DNP prevents key pathological changes associated with nerve degeneration and aids functional recovery.
  • DNP shows promise as a small-molecule therapeutic adjuvant for nerve injury treatment.