Journal
CHEMICO-BIOLOGICAL INTERACTIONS
Volume 253, Issue -, Pages 18-26Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.cbi.2016.04.033
Keywords
Dextran sulfate sodium; Colitis; Mangiferin; Matrix metalloproteinase-9
Funding
- Torrent Research Centre, Ahmedabad, India
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Inflammation, oxidative stress and altered mucosal barrier permeability are potential etiopathological or triggering factors for inflammatory bowel disease (IBD). In this study, the therapeutic potential of Mangiferin was investigated in vivo in mouse model of colitis and also attempts were made to understand mechanistic insights of Mangiferin in IBD. In present study, colitis was induced by administration of 5% DSS for 11 days, followed by 3 days of DSS free period. On day 14, animals were sacrificed and colon tissues were taken for biochemical and histological analysis. Therapeutic treatment with Mangiferin after colitis induction (i.e. day 5) ameliorated symptoms of colitis (presence of blood in stools, body weight loss and diarrhea) as evidenced by reduced DAI score, attenuated the levels of catalase (CAT), reduced glutathione (GSH), superoxide dismutase (SOD), malondialdehyde (MDA), myeloperoxidase (MPO). It also decreased the colonic pro-inflammatory mediators tumor necrosis factor (TNF-alpha), interleukin 1 beta (IL-beta) levels, matrix metalloproteinase-9 (MMP-9) activity and histopathological score. Molecular docking of Mangiferin against TNF-alpha and MMP-9 was evaluated using GLIDE software. Mangiferin demonstrated the glide score of -8.04 kcal/mol for TNF-alpha and -9.97 kcal/mol for MMP-9, which indicated its binding potential with TNF-alpha and MMP-9. In conclusion, Mangiferin reduces colonic damage in a murine model of colitis, alleviates the oxidative and inflammatory events partly through directly influencing the activity of TNF-alpha and MMP-9 and therefore might have therapeutic usefulness in the management of inflammatory bowel disease. (C) 2016 Elsevier Ireland Ltd. All rights reserved.
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