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Sulforaphane is anticonvulsant and improves mitochondrial function.

Catalina Carrasco-Pozo1,2, Kah Ni Tan1, Karin Borges1

  • 1Department of Pharmacology, School of Biomedical Sciences, The University of Queensland, St. Lucia, Queensland, Australia.

Journal of Neurochemistry
|September 15, 2015
PubMed
Summary
This summary is machine-generated.

Sulforaphane, an Nrf2 activator, shows anticonvulsant effects in mouse epilepsy models. It enhances antioxidant defenses and mitochondrial ATP production, suggesting potential for epilepsy treatment.

Keywords:
Nrf2epilepsymitochondrial respirationpilocarpineseizuresulforaphane

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Area of Science:

  • Neuroscience
  • Biochemistry
  • Pharmacology

Background:

  • The nuclear factor erythroid 2-related factor 2 (Nrf2) pathway is crucial for brain protection.
  • Nrf2 activators are being explored for therapeutic potential in neurological disorders.

Purpose of the Study:

  • To investigate the anticonvulsant and neuroprotective effects of sulforaphane, an Nrf2 activator.
  • To assess sulforaphane's impact on hippocampal mitochondrial bioenergetics in seizure models.

Main Methods:

  • Sulforaphane was administered to mice in various seizure models, including 6 Hz stimulation, fluorothyl-, pentylenetetrazole-induced seizures, and pilocarpine-induced status epilepticus (SE).
  • Antioxidant defenses, lipid peroxidation, and mitochondrial respiration (state 2, state 3, ATP synthesis) were measured in hippocampal tissues and plasma.
  • Activities of mitochondrial complexes I and II were assessed post-SE.

Main Results:

  • Sulforaphane increased seizure thresholds and protected against pilocarpine-induced SE.
  • It enhanced antioxidant defenses (catalase, SOD) and reduced lipid peroxidation in the hippocampus.
  • Sulforaphane improved mitochondrial respiration and ATP synthesis, protecting against SE-induced mitochondrial dysfunction, but did not prevent cell death.

Conclusions:

  • Sulforaphane exhibits anticonvulsant properties in acute epilepsy models.
  • Its antioxidant and mitochondrial-enhancing effects, particularly ATP production, contribute to its anticonvulsant mechanisms.
  • Nrf2 activation via sulforaphane represents a promising strategy for epilepsy treatment.