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Related Experiment Videos

Curcumin attenuates DNB-induced murine colitis.

B Salh1, K Assi, V Templeman

  • 1Jack Bell Research Centre, Children and Women's Hospital, Vancouver, BC, Canada V5Z 3P1.

American Journal of Physiology. Gastrointestinal and Liver Physiology
|March 15, 2003
PubMed
Summary

Curcumin, a turmeric component, reduces inflammation in a mouse model of inflammatory bowel disease (IBD). It inhibits key inflammatory pathways, suggesting therapeutic potential for human IBD.

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Area of Science:

  • Gastroenterology
  • Immunology
  • Pharmacology

Background:

  • Inflammatory bowel disease (IBD) involves chronic inflammation mediated by cytokines and chemokines.
  • Transcription factor NF-kappaB plays a central role in regulating these inflammatory mediators.
  • Existing IBD therapies often target the NF-kappaB pathway.

Purpose of the Study:

  • To investigate the therapeutic potential of curcumin, a natural compound from turmeric, in a murine model of colitis.
  • To elucidate the molecular mechanisms underlying curcumin's anti-inflammatory effects in experimental colitis.

Main Methods:

  • Induction of colitis in mice using dinitrobenzene sulfonic acid (DNB).
  • Administration of curcumin before colitis induction.
  • Assessment of macroscopic damage, NF-kappaB activation, myeloperoxidase activity, IL-1beta expression (RT-PCR), and p38 MAPK activation (Western blotting, immunohistochemistry).

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Main Results:

  • Curcumin significantly reduced macroscopic damage scores and NF-kappaB activation in DNB-induced colitis.
  • A decrease in myeloperoxidase activity and IL-1beta mRNA levels was observed with curcumin treatment.
  • Curcumin attenuated the DNB-induced activation of p38 MAPK in intestinal tissues.

Conclusions:

  • Curcumin effectively attenuates experimental colitis in a murine model.
  • The anti-inflammatory effects of curcumin are associated with the inhibition of NF-kappaB activation and p38 MAPK activity.
  • Curcumin demonstrates potential as a therapeutic agent for human IBD.