A-Type GABA Receptor as a Central Target of TRPM8 Agonist Menthol
2008

Menthol's Effects on GABA Receptors in the Brain

Sample size: 6 publication 10 minutes Evidence: moderate

Author Information

Author(s): Zhang Xiao-Bing, Jiang Peng, Gong Neng, Hu Xiao-Ling, Fei Da, Xiong Zhi-Qi, Xu Lin, Xu Tian-Le

Primary Institution: Institute of Neuroscience and State Key Laboratory of Neuroscience, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences

Hypothesis

Menthol enhances GABAergic inhibition in hippocampal neurons.

Conclusion

Menthol reduces neuronal excitability and has anticonvulsant effects by enhancing tonic GABA inhibition.

Supporting Evidence

  • Menthol reduced the firing rate of hippocampal neurons in culture.
  • Menthol enhanced GABA-induced currents in a dose-dependent manner.
  • Menthol prolonged the latency to seizures in a mouse model of epilepsy.

Takeaway

Menthol, a mint extract, helps calm down brain activity by making certain brain receptors work better.

Methodology

The study used cultured hippocampal neurons and in vivo models to assess the effects of menthol on neuronal activity and GABA receptor function.

Limitations

The study primarily focused on specific neuronal cultures and animal models, which may not fully represent human physiology.

Participant Demographics

Rats and cultured hippocampal neurons were used in the study.

Statistical Information

P-Value

p<0.01

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0003386

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