Dataset Information


Deoxynivalenol Induces Intestinal Damage and Inflammatory Response through the Nuclear Factor-?B Signaling Pathway in Piglets.

ABSTRACT: Deoxynivalenol (DON) is highly toxic to animals and humans, but pigs are most sensitive to it. The porcine mucosal injury related mechanism of DON is not yet fully clarified. Here, we investigated DON-induced injury in the intestinal tissues of piglet. Thirty weanling piglets [(Duroc × Landrace) × Yorkshire] were randomly divided into three groups according to single factor experimental design (10 piglets each group). Piglets were fed a basal diet in the control group, while low and high dose groups were fed a DON diet (1300 and 2200 ?g/kg, respectively) for 60 days. Scanning electron microscopy results indicated that the ultrastructure of intestinal epithelial cells in the DON-treated group was damaged. The distribution and optical density (OD) values of zonula occludens 1 (ZO-1) protein in the intestinal tissues of DON-treated groups were decreased. At higher DON dosage, interleukin (IL)-1?, IL-6, and tumor necrosis factor-? mRNA levels were elevated in the intestinal tissues. The mRNA and protein levels of NF-?B p65, I?B-?, IKK?/?, iNOS, and COX-2 in the small intestinal mucosa were abnormally altered with an increase in DON concentration. These results indicate that DON can persuade intestinal damage and inflammatory responses in piglets via the nuclear factor-?B signaling pathway.


PROVIDER: S-EPMC6891563 | BioStudies | 2019-01-01

REPOSITORIES: biostudies

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