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Ferulic acid prevents the injury-induced decrease of γ-enolase expression in brain tissue and HT22 cells.

Sang-A Gim1, Phil-Ok Koh1

  • 1Department of Anatomy, College of Veterinary Medicine, Research Institute of Life Science, Gyeongsang National University, Jinju, Korea.

Laboratory Animal Research
|April 8, 2014
PubMed
Summary

Ferulic acid protects brain cells by maintaining levels of gamma-enolase (a neuron-specific protein) during ischemic injury and excitotoxicity. This suggests ferulic acid

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Area of Science:

  • Neuroscience
  • Biochemistry
  • Pharmacology

Background:

  • Ferulic acid exhibits antioxidant properties and neuroprotective effects against cerebral ischemia.
  • Gamma-enolase, a neuron-specific protein, also demonstrates neuroprotective capabilities.
  • The interaction between ferulic acid and gamma-enolase in neuronal injury remains largely unexplored.

Purpose of the Study:

  • To investigate the effect of ferulic acid on gamma-enolase expression in models of brain injury.
  • To determine if ferulic acid can prevent decreases in gamma-enolase during middle cerebral artery occlusion (MCAO) and glutamate exposure.

Main Methods:

  • Adult male rats underwent MCAO and were treated with ferulic acid or vehicle.
  • Proteomics, reverse-transcription PCR, and Western blot analyses were used to assess gamma-enolase expression.
Keywords:
ferulic acidneuroprotectionγ-enolase

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  • Hippocampal cell lines were exposed to glutamate to mimic excitotoxicity, with or without ferulic acid treatment.

    • Main Results:

    • MCAO-induced brain injury led to decreased gamma-enolase expression in vehicle-treated rats.
    • Ferulic acid treatment attenuated the MCAO-induced decrease in gamma-enolase expression.
    • Glutamate exposure in cell lines also reduced gamma-enolase levels, an effect counteracted by ferulic acid.

    Conclusions:

    • Ferulic acid administration prevents the reduction of gamma-enolase expression caused by MCAO-induced injury.
    • Ferulic acid mitigates glutamate-induced decreases in gamma-enolase expression in neuronal cells.
    • These findings indicate that ferulic acid's neuroprotective mechanism involves preserving gamma-enolase levels.