Biphasic Effect of Curcumin on Morphine Tolerance: A Preliminary Evidence from Cytokine/Chemokine Protein Array Analysis
2011

Curcumin's Effects on Morphine Tolerance in Mice

publication 10 minutes Evidence: moderate

Author Information

Author(s): Lin Jui-An, Chen Jenn-Han, Lee Yuan-Wen, Lin Chao-Shun, Hsieh Ming-Hui, Chang Chuen-Chau, Wong Chih-Shung, Chen Judy Ju-Yi, Yeh Geng-Chang, Lin Feng-Yen, Chen Ta-Liang

Primary Institution: Taipei Medical University

Hypothesis

The study aims to evaluate the effect of curcumin on morphine tolerance and the corresponding cytokine/chemokine changes.

Conclusion

Curcumin has a biphasic effect on morphine tolerance, where low doses can attenuate tolerance while high doses may worsen it.

Supporting Evidence

  • Low-dose curcumin reduced morphine tolerance in mice.
  • High-dose curcumin worsened morphine tolerance.
  • 14 cytokines showed significant changes after treatment.
  • Curcumin's effects on morphine tolerance are biphasic.

Takeaway

Curcumin can help with pain relief from morphine, but too much can make things worse.

Methodology

Male ICR mice were made tolerant to morphine and treated with low or high doses of curcumin to assess its effects on morphine-induced pain relief and tolerance.

Limitations

The study's findings may not be directly applicable to humans, and the exact mechanisms of curcumin's effects require further investigation.

Participant Demographics

Male ICR mice, weight range 18−22 g.

Statistical Information

P-Value

p<0.05

Confidence Interval

95% CI for AD50 values ranged from 7.63 to 122 mg/kg.

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1093/ecam/neq018

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