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Abstract
Intestinal ischemia/reperfusion (I/R) may induce bacterial translocation (BT). Glutamine (GLN)-enriched nutrition decreases BT. However, little is known about the effect of glucan (GL) in BT. This study investigated the combined effect of GL/GLN on BT, intestinal damage, and portal blood cytokines in animals under I/R. Four groups of 10 rats each were subjected to 60 min of intestinal ischemia and 120 min of reperfusion. The control group (group 1) received only rat food/water, group 2 received glutamine via gavage, group 3 received subcutaneuos soluble (1, 3)-d-glucan, and group 4 received GL + GLN. A sham group (group 5) served as a normal control. Bacterial cultures of ileum, mesenteric lymph nodes (MLN), liver and lung biopsies, histological changes of ileum, and serum cytokines variables were examined after I/R. Data were analyzed by analysis of variance (ANOVA) and the Newman–Keuls test. Results showed that GLN, GL, and GL/GLN significantly reduced BT to MLN, liver, and lung. BT was more attenuated after GL treatment than GLN (P <. 05). Rats treated with both GL and GLN exhibited lower bacterial colony counts than the ones treated only with GLN or GL. Severe mucosal damage on histological findings was shown in group 1, but these findings were significantly ameliorated (P <. 05) in groups 3 and 4. Tumor necrosis factor (TNF)-α and interleukin (IL)-6 levels in portal serum were significantly reduced and IL-10 was increased by GL and GLN treatment. In conclusion, the use of GL was more effective than GLN in reducing BT, intestinal damage, and cytokine levels after I/R. Additionally, the combination of GL and GLN improved results.