Phytic Acid Decreases Oxidative Stress and Intestinal Lesions Induced by Fumonisin B1 and Deoxynivalenol in Intestinal Explants of Pigs

被引:50
|
作者
da Silva, Elisangela O. [1 ,2 ]
Gerez, Juliana R. [2 ]
Hohmann, Miriam S. N. [3 ]
Verri, Waldiceu A. [3 ]
Bracarense, Ana Paula F. R. L. [2 ]
机构
[1] Univ Oeste Paulista, Lab Anat Patol Vet, BR-19050920 Presidente Prudente, SP, Brazil
[2] Univ Estadual Londrina, Lab Anim Pathol, BR-86057970 Londrina, Parana, Brazil
[3] Univ Estadual Londrina, Lab Pain Inflammat Neuropathy & Canc, BR-86057970 Londrina, Parana, Brazil
关键词
mycotoxins; IP6; reactive oxygen species; morphology; jejunum; pigs; IN-VIVO; INOSITOL HEXAPHOSPHATE; ANTIOXIDANT ACTIVITY; AFLATOXIN B-1; EXPRESSION; COLON; TOXICITY; CANCER; MYCOTOXINS; AZOXYMETHANE;
D O I
10.3390/toxins11010018
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
The purpose of the present study was to investigate the effects of phytic acid (IP6) on morphological and immunohistochemical parameters and oxidative stress response in intestinal explants of pigs exposed to fumonisin B-1 (FB1) and/or deoxynivalenol (DON). The jejunal explants were exposed to the following treatments: vehicle, IP6 5 mM, DON 10 mu M, FB1 70 mu M, DON 10 mu M + FB1 70 mu M, DON 10 mu M + IP6 5 mM, FB1 70 mu M + IP6 5 mM, and DON 10 mu M + FB1 70 mu M + IP6 5 mM. The decrease in villus height and goblet cell density was more evident in DON and DON + FB1 treatments. In addition, a significant increase in cell apoptosis and cell proliferation and a decrease in E-cadherin expression were observed in the same groups. DON and FB1 exposure increased cyclooxygenase-2 expression and decreased the cellular antioxidant capacity. An increase in lipid peroxidation was observed in DON- and FB1-treated groups. IP6 showed beneficial effects, such as a reduction in intestinal morphological changes, cell apoptosis, cell proliferation, and cyclooxygenase-2 expression, and an increase in E-cadherin expression when compared with DON, FB1 alone, or DON and FB1 in association. IP6 inhibited oxidative stress and increased the antioxidant capacity in the explants exposed to mycotoxins.
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页数:14
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