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Mycotoxin binder improves growth rate in piglets associated with reduction of toll-like receptor-4 and increase of tight junction protein gene expression in gut mucosa

Linghong Jin, Wei Wang (UGent) , Jeroen Degroote (UGent) , Noémie Van Noten (UGent) , Honglin Yan (UGent) , Maryam Majdeddin (UGent) , Mario Van Poucke (UGent) , Luc Peelman (UGent) , Anne Goderis, Kurt Van De Mierop, et al.
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Abstract
Background: Deoxynivalenol (DON) is a mycotoxin produced by Fusarium species in the field, commonly found in cereal grains, which negatively affects performances and health of animals. Mycotoxin binders are supposed to reduce the toxicity of mycotoxins. Method: The effect of a mycotoxin binder (containing acid-activated bentonite, clinoptilolite, yeast cell walls and organic acids) on growth performance and gut health was studied. Hundred and twenty weaning piglets were allocated to 4 treatments, with 5 pens of 6 piglets each, arranged in a 2 x 2 factorial design: control diet; control diet with 1 kg/t binder; control diet with DON; and control diet with DON and 1 kg/t binder. From d0-14, the diet of DON-challenged groups was artificially contaminated with a mixture of DON (2.6 mg/kg), 3-acetyldeoxynivalenol (0.1 mg/kg) and 15-acetyl-deoxynivalenol (0.3 mg/kg), after which the total contamination level was reduced to 1 mg/kg, until d37. On d14, one pig from each pen was euthanized and distal small intestinal mucosa samples were collected for the assessment of intestinal permeability, and gene expression of tight junction proteins, toll-like receptor 4, inflammatory cytokines and intestinal alkaline phosphatase. Results: After 37 d, there were no differences in growth performance between control and DON-challenged groups (P > 0.05). Nevertheless, groups that received diets with binder had a significantly higher average daily gain (ADG) and average daily feed intake (ADFI) for the first 14 d as well as for the whole period, compared to groups without binder (P <= 0.05). Groups with binder in the diet also exhibited lower expression of toll-like receptor 4 in distal small intestinal mucosa at d14, compared to groups without binder (P <= 0.05). Interestingly, comparing the two DON treatments, piglets fed DON and binder had significantly higher ADFI and ADG compared to those with only DON for the first 14-d (P <= 0.05). Addition of binder to DON contaminated diets, also down-regulated the gene expression of toll-like receptor 4 (P <= 0.05) and increased mRNA level zona occludens 1 (P <= 0.10) as compared to DON. Conclusions: The present data provide evidence that the binder improves growth rate in piglets associated with reduction of toll-like receptor-4 and increase of tight junction protein gene expression. However, the current study does not allow to assess whether the effects of the binder are mediated by alterations in the toxicokinetics of the mycotoxin.
Keywords
Binder, Deoxynivalenol, Gut barrier, Gut health, Mycotoxin, Pigs, MESSENGER-RNA EXPRESSION, SACCHAROMYCES-CEREVISIAE, CONTAMINATED WHEAT, ANIMAL FEED, DEOXYNIVALENOL, ACTIVATION, TOXINS, PERFORMANCE, INTESTINE, PIGS

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Chicago
Jin, Linghong, Wei Wang, Jeroen Degroote, Noémie Van Noten, Honglin Yan, Maryam Majdeddin, Mario Van Poucke, et al. 2017. “Mycotoxin Binder Improves Growth Rate in Piglets Associated with Reduction of Toll-like Receptor-4 and Increase of Tight Junction Protein Gene Expression in Gut Mucosa.” Journal of Animal Science and Biotechnology 8.
APA
Jin, L., Wang, W., Degroote, J., Van Noten, N., Yan, H., Majdeddin, M., Van Poucke, M., et al. (2017). Mycotoxin binder improves growth rate in piglets associated with reduction of toll-like receptor-4 and increase of tight junction protein gene expression in gut mucosa. JOURNAL OF ANIMAL SCIENCE AND BIOTECHNOLOGY, 8.
Vancouver
1.
Jin L, Wang W, Degroote J, Van Noten N, Yan H, Majdeddin M, et al. Mycotoxin binder improves growth rate in piglets associated with reduction of toll-like receptor-4 and increase of tight junction protein gene expression in gut mucosa. JOURNAL OF ANIMAL SCIENCE AND BIOTECHNOLOGY. 2017;8.
MLA
Jin, Linghong, Wei Wang, Jeroen Degroote, et al. “Mycotoxin Binder Improves Growth Rate in Piglets Associated with Reduction of Toll-like Receptor-4 and Increase of Tight Junction Protein Gene Expression in Gut Mucosa.” JOURNAL OF ANIMAL SCIENCE AND BIOTECHNOLOGY 8 (2017): n. pag. Print.
@article{8550251,
  abstract     = {Background: Deoxynivalenol (DON) is a mycotoxin produced by Fusarium species in the field, commonly found in cereal grains, which negatively affects performances and health of animals. Mycotoxin binders are supposed to reduce the toxicity of mycotoxins. 
Method: The effect of a mycotoxin binder (containing acid-activated bentonite, clinoptilolite, yeast cell walls and organic acids) on growth performance and gut health was studied. Hundred and twenty weaning piglets were allocated to 4 treatments, with 5 pens of 6 piglets each, arranged in a 2 x 2 factorial design: control diet; control diet with 1 kg/t binder; control diet with DON; and control diet with DON and 1 kg/t binder. From d0-14, the diet of DON-challenged groups was artificially contaminated with a mixture of DON (2.6 mg/kg), 3-acetyldeoxynivalenol (0.1 mg/kg) and 15-acetyl-deoxynivalenol (0.3 mg/kg), after which the total contamination level was reduced to 1 mg/kg, until d37. On d14, one pig from each pen was euthanized and distal small intestinal mucosa samples were collected for the assessment of intestinal permeability, and gene expression of tight junction proteins, toll-like receptor 4, inflammatory cytokines and intestinal alkaline phosphatase. 
Results: After 37 d, there were no differences in growth performance between control and DON-challenged groups (P {\textrangle} 0.05). Nevertheless, groups that received diets with binder had a significantly higher average daily gain (ADG) and average daily feed intake (ADFI) for the first 14 d as well as for the whole period, compared to groups without binder (P {\textlangle}= 0.05). Groups with binder in the diet also exhibited lower expression of toll-like receptor 4 in distal small intestinal mucosa at d14, compared to groups without binder (P {\textlangle}= 0.05). Interestingly, comparing the two DON treatments, piglets fed DON and binder had significantly higher ADFI and ADG compared to those with only DON for the first 14-d (P {\textlangle}= 0.05). Addition of binder to DON contaminated diets, also down-regulated the gene expression of toll-like receptor 4 (P {\textlangle}= 0.05) and increased mRNA level zona occludens 1 (P {\textlangle}= 0.10) as compared to DON. 
Conclusions: The present data provide evidence that the binder improves growth rate in piglets associated with reduction of toll-like receptor-4 and increase of tight junction protein gene expression. However, the current study does not allow to assess whether the effects of the binder are mediated by alterations in the toxicokinetics of the mycotoxin.},
  articleno    = {80},
  author       = {Jin, Linghong and Wang, Wei and Degroote, Jeroen and Van Noten, No{\'e}mie and Yan, Honglin and Majdeddin, Maryam and Van Poucke, Mario and Peelman, Luc and Goderis, Anne and Van De Mierop, Kurt and Mombaerts, Ronny and De Smet, Stefaan and Michiels, Joris},
  issn         = {2049-1891},
  journal      = {JOURNAL OF ANIMAL SCIENCE AND BIOTECHNOLOGY},
  language     = {eng},
  pages        = {10},
  title        = {Mycotoxin binder improves growth rate in piglets associated with reduction of toll-like receptor-4 and increase of tight junction protein gene expression in gut mucosa},
  url          = {http://dx.doi.org/10.1186/s40104-017-0210-4},
  volume       = {8},
  year         = {2017},
}

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