Publication date: July 2018
Source:Biomedicine & Pharmacotherapy, Volume 103
Author(s): Patrícia Aparecida Vieira de Barros, Maria Emília Rabelo Andrade, Simone de Vasconcelos Generoso, Sued Eustáquio Mendes Miranda, Diego Carlos dos Reis, Paola Caroline Lacerda Leocádio, Éricka Lorenna de Sales e Souza, Flaviano dos Santos Martins, Marco Antonio Sundfeld da Gama, Geovanni Dantas Cassali, Jacqueline Isaura Alvarez Leite, Simone Odília Antunes Fernandes, Valbert Nascimento Cardoso
BackgroundStudies have showed the protective effects of conjugated linoleic acid (CLA) on intestinal epithelium, modulating host immune and inflammatory responses on intestinal diseases.ObjectiveTo evaluate the preventive effects of CLA on the intestinal mucositis induced by 5-FU in a murine model.MethodsSixty-four BALB/c mice were randomly divided into four groups: Control (CTL), fed a standard chow diet; CLAs, fed a diet supplemented with CLA; Mucositis (5-FU), fed a standard chow diet and underwent mucositis induction and CLAs 5-FU, fed a diet supplemented with CLA and underwent mucositis induction. Mucositis was induced by intraperitoneal injection of 300 mg/kg 5-FU. After 72 h, the animals were euthanized and intestinal permeability, bacterial translocation, inflammatory mediators, and intestinal histology were evaluated.ResultsMice in the CLAs 5-FU group showed reduced weight loss compared to those in the 5-FU group (p < 0.005). Furthermore, the results also showed that the treatment with CLA reduced intestinal permeability, bacterial translocation, and biomarkers of inflammatory response besides minor damage to ZO-1 and occludin with maintenance of the integrity of the intestinal epithelium and a favorable balance between the inflammatory and regulatory cytokines.ConclusionThis study suggests that CLA reduced the adverse effects from 5-FU administration on the intestinal mucosa.
Graphical abstract
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