Abstract 2686: Preventive effects of saffron in a colitis mouse model
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AbstractBackground: Inflammatory bowel disease (IBD) is a chronic inflammation of the gastrointestinal tract with rising incidence and no effective cure. IBD increases the risk of colon cancer through a Colitis-Associated-Cancer (CAC) pathway. Despite available anti-inflammatory or immunosuppressive drugs, many patients fail or loose response over time and many others experience drug-induced adverse events. Natural plant products are increasingly used by IBD patients and reported to have some efficacy for IBD in experimental models and clinical trials. Saffron (Crocus sativus), has been reported to play a key role in treatment of different digestive system disorders but its preventive role in IBD has not been explored.Aim: To establish whether saffron treatment modulates immunity in intestinal inflammation and ameliorates experimental colitis.Methods: Mice were pre-treated with either saffron (10 or 20 mg/kg body weight) or vehicle through daily oral gavage for 4 days before dextran sulfate sodium (DSS) administration. Then, we induced acute colitis in C57BL/6 mice with 2.5% DSS. On day 11, mice were euthanized and analyzed for gross and microscopic inflammation. Distal colon segments were collected for protein expression from the colon for immunophenotyping using ELISA. TNF-a, IL-b, and IL6 expression was analyzed by immunoblot analysis.Results: Saffron Pre-treatment improved gross and histopathological characteristics of colonic mucosa in experimental colitis mice. Saffron dose 10 and 20 mg/kg body weight showed a significant improvement in body weight, disease activity index (DAI), colon length, and histology score, when compared to vehicle treated DSS mice group. Immunoblot analysis showed saffron pre-treatment significantly decreases pro-inflammatory TNF-a, IL-b, and IL-6 in the colon tissues indicating saffron mediates its preventive effect through anti-inflammatory pathways.Conclusion: These data suggest saffron therapeutic potential of saffron and its preventive role in treating experimental colitis in part via immune response modulation and a switch from pro- to anti-inflammatory profile. The study also gives insights in developing an alternative treatment for IBD-associated colitis.Citation Format: Suhrid Banskota, Waliul Khan, Gulshan Singh, Aida Habtezion, Hassan Brim, Hassan Ashktorab. Preventive effects of saffron in a colitis mouse model [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2021; 2021 Apr 10-15 and May 17-21. Philadelphia (PA): AACR; Cancer Res 2021;81(13_Suppl):Abstract nr 2686.
