Journal
BENEFICIAL MICROBES
Volume 9, Issue 3, Pages 477-486Publisher
WAGENINGEN ACADEMIC PUBLISHERS
DOI: 10.3920/BM2017.0082
Keywords
synbiotic; prebiotic; mucositis; short-chain fatty acid
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Funding
- Conselho Nacional para o Desenvolvimento Cientifico e Tecnologico from Brazil (CNPq)
- Fundacao de Amparo a Pesquisa de Minas Gerais [FAPEMIG-APQ-00593-14]
- Pro Reitoria de Pesquisa da Universidade Federal de Minas Gerais (PRPq/UFMG)
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The use of probiotics to prevent or treat mucosal inflammation has been studied; however, the combined effect of probiotics and prebiotics is unclear. The aim of this study was to test whether oral administration of a synbiotic (Simbioflora (R)) preparation containing Lactobacillus paracasei, Lactobacillus rhamnosus, Lactobacillus acidophilus and Bifidobacterium lactis plus fructooligosaccharide could help control mucosal inflammation in experimental mucositis induced by 5-fluorouracil (5-FU). Male BALB/c mice were randomly divided into six groups: control (CTL), control+prebiotic (CTL+P), control+synbiotic (CTL+S), mucositis (MUC), mucositis+prebiotic (MUC+P), and mucositis+synbiotic (MUC+S). Mice from the CTL+S, MUC+S, CTL+P, and MUC+P groups received synbiotic or prebiotic daily by oral gavage for 13 days. Mice in the CTL and MUC groups received the same volume of saline. On day 11, mice in the MUC, MUC+P, and MUC+S groups received an intraperitoneal injection of 300 mg/kg 5-FU to induce mucositis. After 72 h, all mice were euthanised. Intestinal permeability, intestinal histology, and biochemical parameters were analysed. Group MUC showed a greater weight loss and increased intestinal permeability (0.020 counts per min [cpm]/g) compared to the CTL group (0.01 cpm/g) P < 0.05. Both treatments attenuated weight loss compared to the MUC group. Nonetheless, the synbiotic caused a greater reduction in intestinal permeability (0.012 cpm/g) compared to the MUC (0.020 cpm/g) and MUC+P (0.016 cpm/g) groups P < 0.05. Mice in groups MUC+P and MUC+S displayed significant recovery of lesions and maintenance of the mucus layer. There were no differences in the short-chain fatty acid concentrations in the faeces between the MUC and CTL groups (P > 0.05). Increased acetate and propionate concentrations were evidenced in the faeces of the MUC+P and MUC+S groups. Only the synbiotic treatment increased the butyrate concentration (P < 0.05). The results indicate that administration of synbiotic can decrease mucosal damage caused by mucositis.
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