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Nutrients 2017, 9(6), 545; doi:10.3390/nu9060545

Prevent Effects of Lactobacillus Fermentum HY01 on Dextran Sulfate Sodium-Induced Colitis in Mice

1,2,3,†
,
3,†
,
1,2
,
4
,
5,* and 1,2,*
1
College of Food Science, Southwest University, Chongqing 400715, China
2
Chongqing Engineering Research Center of Regional Food, Chongqing 400715, China
3
Chongqing Collaborative Innovation Center for Functional Food, Chongqing University of Education, Chongqing 400067, China
4
Chongqing Proviencial center for Animal Disease Control and Precention, Chongqing 401120, China
5
College of Life Science and Technology, Southwest University for Nationalities, Chengdu 610041, China
These authors contributed equally to this work.
*
Authors to whom correspondence should be addressed.
Received: 1 May 2017 / Revised: 19 May 2017 / Accepted: 23 May 2017 / Published: 25 May 2017
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Abstract

The aim of this study is to assess the preventive effects of Lactobacillus fermentum HY01 (LF-HY01) to dextran sulfate sodium induced-colitis. We observed the ratio of colon weight to its length, colon pathological changes, and the concentrations of pro-inflammatory factors (IFN-γ, IL-12, TNFα, and IL-6) in serum. We also took account of the protein levels of IκBα, NF-κB p65, iNOS, and COX-2, and we measured the best effects of different doses of Lactobacillus fermentum HY01 (low dose group was 109 CFU/kg·bw, high dose group was 1010 CFU/kg·bw) on dextran sulfate sodium-induced colitis mice. The results were remarkable, suggesting that Lactobacillus fermentum HY01 had significant preventive effects in dextran sulfate sodium induced-colitis; simultaneously, the high dose group showed the best results among other groups. It can effectively alleviate the shortened colon length, reduce the ratio of colon weight to its length, reduce edema, inflammatory cells infiltration, and colon mucosa injury, and play an important role in the down-regulation of concentrations of pro-inflammatory factors (IFN-γ, IL-12, TNFα, and IL-6). Above all, Lactobacillus fermentum HY01 shows promising prevention for IκBα degradation, inhibition of NF-κB p65 phosphorylation cascades, and decreases the protein levels of iNOS and COX-2 as well. View Full-Text
Keywords: traditional fermented yak yogurt; Lactobacillus fermentum; intestinal function; colitis; dextran sulfate sodium traditional fermented yak yogurt; Lactobacillus fermentum; intestinal function; colitis; dextran sulfate sodium
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Chen, X.; Zhao, X.; Wang, H.; Yang, Z.; Li, J.; Suo, H. Prevent Effects of Lactobacillus Fermentum HY01 on Dextran Sulfate Sodium-Induced Colitis in Mice. Nutrients 2017, 9, 545.

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