Effect of turmeric on colon histology, body weight, ulcer, IL-23, MPO and glutathione in acetic-acid-induced inflammatory bowel disease in rats

Salim M.A. Bastaki, Mohammed Majed Al Ahmed, Ahmed Al Zaabi, Naheed Amir, Ernest Adeghate

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)

Abstract

Background: This study investigates the protective effects of turmeric (Curcuma longa, CL) on acetic acid-induced colitis in rats. Method: Inflammatory bowel disease (IBD) was induced in male Wistar rats by intra-rectal administration of 1 ml of 4 % acetic acid at 8 cm proximal to the anus for 30 s. Curcuma longa (CL) powder, (1, 10, or 100 mg/kg/day) was administered for either 3 days before or after IBD for 7 days. The body weight, macroscopic and microscopic analysis of the colon of CL-treated IBD rats and that of control rats (no IBD, no CL) were performed on 0 day, 2, 4 and 7th day. Myeloperoxidase (MPO), IL-23 and glutathione levels in control, untreated and treated rats were measured by ELISA. Results: CL significantly (P<0.05) improved IBD-induced reduction in mean body weight and mean macroscopic ulcer score. Administration of CL also significantly (P<0.01) reduced the mean microscopic ulcer score when compared to untreated IBD control. Intake of CL by rats resulted in a significant (P<0.05) increase in the mean serum glutathione level compared to untreated control. CL reduced both MPO and IL-23 levels in the colonic mucosa of the rat. Conclusion: CL improved body weight gain, mean macroscopic and microscopic ulcer scores in the colon of rats suffering from acetic acid-induced IBD. CL reduced both MPO and IL-23 in the mucosa of the colon. The increase in the mean serum glutathione level may help in the reduction of oxidative stress associated with IBD.

Original languageEnglish
Article number72
JournalBMC Complementary and Alternative Medicine
Volume16
Issue number1
DOIs
Publication statusPublished - Feb 23 2016

Keywords

  • Curcuma longa
  • Histopathology
  • Inflammatory bowel disease
  • Rat
  • Ulcer

ASJC Scopus subject areas

  • Complementary and alternative medicine

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