Abstract Title:

Protective effect of crocetin against burn-induced intestinal injury.

Abstract Source:

J Surg Res. 2015 Jun 3. Epub 2015 Jun 3. PMID: 26119275

Abstract Author(s):

Chunxiang Zhou, Wei Bai, Qiaohua Chen, Zhigang Xu, Xiongxiang Zhu, Aidong Wen, Xuekang Yang

Article Affiliation:

Chunxiang Zhou

Abstract:

BACKGROUND: Oxidative stress and inflammation exert central roles in burn-induced intestinal injury. Crocetin, a natural carotenoid compound from gardenia fruits and saffron, has been shown to inhibit oxidative stress and inflammatory response. However, the possibility of crocetin to be used in the treatment of intestinal injury after burn injury has not been investigated. The purpose of the present study was to investigate the effects and potential mechanisms of crocetin in burn-induced intestinal injury.

MATERIALS AND METHODS: Several free radical-generating and lipid peroxidation models were used to systematically assess the antioxidant activities of crocetin in vitro. A common burn model was used to induce the intestinal injury in rats. Changes in the levels of malondialdehyde, superoxidase dismutase, catalase, glutathione peroxidase, tumor necrosis factor α, interleukin 6, polymorphonuclear neutrophil accumulation, intestinal permeability, and intestinal histology were examined.

RESULTS: In several models of antioxidant activity, crocetin exhibited marked inhibitory action against free radicals and lipid peroxidation. Crocetin increased levels of antioxidant enzymes and reduced intestinal oxidative injury in burn models. In addition, crocetin inhibited polymorphonuclear neutrophil accumulation, ameliorated tumor necrosis factorα and interleukin 6 levels, intestinal permeability, and histological changes.

CONCLUSIONS: Crocetin treatment may protect against burn-induced small intestinal injury, possibly by inhibiting burn-induced oxidative stress and inflammatory response.

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