Journal
JOURNAL OF SURGICAL RESEARCH
Volume 197, Issue 2, Pages 324-330Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jss.2015.04.031
Keywords
Reperfusion injury; Tight junction proteins; Butyrate
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Funding
- National Natural Science Foundation of China [81270530]
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Background: Butyrate is normally fermented from undigested fiber by intestinal microflora. The goal of the present study was to determine the effects of butyrate and its underlying mechanisms on intestinal injury in a rat model of ischemia and reperfusion (I/R). Methods: Male Sprague-Dawley rats were subjected to warm ischemia for 45 min by clamping the superior mesenteric artery after treatment with butyrate, followed by 6 and 72 h of reperfusion. Pathologic histology analysis, enzyme-linked immunosorbent assay, immunofluorescence, and Western blot were performed. Results: Butyrate preconditioning markedly improved intestinal injury. The inflammatory factor levels and leukocyte infiltration were attenuated by butyrate. Butyrate also maintained the intestinal barrier structures, increased the expression of tight junction proteins, and decreased endotoxin translocation. Conclusions: We conclude that butyrate administration attenuates intestinal I/R injury, which is associated with preservation of intestinal tight junction barrier function and suppression of inflammatory cell infiltration in the intestinal mucosa. This suggests butyrate as a potential strategy to prevent intestinal I/R injury. (C) 2015 Elsevier Inc. All rights reserved.
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