Antinociceptive Activity of Trichilia catigua Hydroalcoholic Extract
Author Information
Author(s): Alice F. Viana, Izaque S. Maciel, Emerson M. Motta, Paulo C. Leal, Luiz Pianowski, Maria M. Campos, João B. Calixto
Primary Institution: Universidade Federal de Santa Catarina
Hypothesis
The study aims to evaluate the effects of T. catigua hydroalcoholic extract on mouse nociception behavioral models and the mechanisms involved in its actions.
Conclusion
The antinociceptive effects of T. catigua extract are mainly associated with the activation of the dopaminergic system.
Supporting Evidence
- T. catigua extract showed antinociceptive effects in hot-plate, writhing, and von Frey tests.
- The extract's effects lasted up to 6 hours post-treatment.
- SCH23390 completely prevented the antinociceptive effect of T. catigua extract.
- Naloxone partially prevented the antinociceptive effect.
- The extract enhanced apomorphine-induced hypothermia.
Takeaway
This study found that a plant extract called T. catigua can help reduce pain in mice, likely by working with the brain's dopamine system.
Methodology
The study used behavioral tests in male Swiss mice to assess the antinociceptive effects of T. catigua extract and evaluated the mechanisms involved through pharmacological treatments.
Potential Biases
Potential bias may arise from the use of animal models that may not fully replicate human pain mechanisms.
Limitations
The study does not explore the long-term effects of T. catigua extract or its effects in humans.
Participant Demographics
Male Swiss mice, 25-30g, N = 8-10 per group.
Statistical Information
P-Value
0.04
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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