Comparative Analysis of Gelsemine and Gelsemium sempervirens Activity on Neurosteroid Allopregnanolone Formation in the Spinal Cord and Limbic System
2011

Effects of Gelsemine and Gelsemium sempervirens on Neurosteroid Production

Sample size: 4 publication Evidence: moderate

Author Information

Author(s): Christine Venard, Naoual Boujedaini, Ayikoe Guy Mensah-Nyagan, Christine Patte-Mensah

Primary Institution: Université de Strasbourg

Hypothesis

Do Gelsemium sempervirens and its active component gelsemine stimulate the production of allopregnanolone in the spinal cord and limbic system?

Conclusion

Gelsemine and Gelsemium sempervirens significantly stimulate the production of allopregnanolone in the spinal cord and limbic system, particularly at the 5 cH dilution.

Supporting Evidence

  • Gelsemine and Gelsemium sempervirens at 5 cH significantly stimulated allopregnanolone production.
  • The stimulatory effect was fully reproducible at the 5 cH dilution.
  • At 9 cH, the stimulatory effect was observed in 75% of samples.
  • Strychnine blocked the stimulatory effect of both Gelsemine and Gelsemium sempervirens.

Takeaway

This study found that a plant called Gelsemium can help make a special brain chemical that helps with feelings and pain, but only when used in a certain way.

Methodology

The study used pulse-chase experiments, HPLC, and flow scintillation detection to analyze the effects of Gelsemium and gelsemine on allopregnanolone production in rat spinal cord and limbic system slices.

Limitations

The reproducibility of effects at the 9 cH dilution was limited to 75%, suggesting instability in high dilutions.

Participant Demographics

Adult male Sprague-Dawley rats weighing 300–350 g.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1093/ecam/nep083

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