Journal
JOURNAL OF FUNCTIONAL FOODS
Volume 50, Issue -, Pages 78-92Publisher
ELSEVIER
DOI: 10.1016/j.jff.2018.09.013
Keywords
Probiotic; Goat cheese; Intestinal inflammation; Colitis; Rats
Categories
Funding
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior - Brasil (CAPES) [001]
- EMBRAPA [02.09.01.024.00.00]
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Inflammatory Bowel Diseases (IBD) is characterized by a deregulated immune response. Probiotics are able to modulate the intestinal microbiota and regulating inflammatory responses. This study evaluated the effect of pretreatment of Lactobacillus rhamnosus EM1107, isolated (EM1107) or added to goat cheese (LRC), on acetic acid-induced colitis in rats. EM1107 or LRC had a protective effect on intestinal inflammation, with the improvement of disease activity index and macroscopic damage caused by inflammation. It also reduced myeloperoxidase, TNF-alpha, IL-1 beta colonic levels and improved oxidative stress. The histological evaluation confirmed the beneficial effect in colonic tissue preservation. Intestinal immunohistochemical analysis revealed down-regulation of IL-17, NF-kappa B p65, MMP-2, MMP-9, and iNOS expression, up-regulation of SOCs-1, ZO-1 and MUC-2, which are important intestinal mucosal barrier proteins. These results suggest that Lactobacillus rhamnosus EM1107 alone or added to goat cheese exerts a preventive effect against acetic acid-induced damage and may be an alternative to human IBD.
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