The Protective Effects of Lactoferrin on Aflatoxin M1-Induced Compromised Intestinal Integrity

文献类型： 外文期刊

第一作者： Gao, Ya-Nan

作者： Gao, Ya-Nan;Li, Song-Li;Yang, Xue;Wang, Jia-Qi;Zheng, Nan;Gao, Ya-Nan;Li, Song-Li;Yang, Xue;Wang, Jia-Qi;Zheng, Nan;Gao, Ya-Nan;Li, Song-Li;Yang, Xue;Wang, Jia-Qi;Zheng, Nan;Gao, Ya-Nan;Li, Song-Li;Yang, Xue;Wang, Jia-Qi;Zheng, Nan

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关键词： aflatoxin M1; lactoferrin; intestinal barrier; tight junction; transcriptome; proteome

期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：6.208； 五年影响因子：6.628 ）

ISSN：

年卷期： 2022 年 23 卷 1 期

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收录情况： SCI

摘要： Aflatoxin M1 (AFM1), the only toxin with maximum residue levels in milk, has adverse effects on the intestinal barrier, resulting in intestinal inflammatory disease. Lactoferrin (LF), one of the important bioactive proteins in milk, performs multiple biological functions, but knowledge of the protective effects of LF on the compromised intestinal barrier induced by AFM1 has not been investigated. In the present study, results using Balb/C mice and differentiated Caco-2 cells showed that LF intervention decreased AFM1-induced increased intestinal permeability, improved the protein expression of claudin-3, occludin and ZO-1, and repaired the injured intestinal barrier. The transcriptome and proteome were used to clarify the underlying mechanisms. It was found that LF reduced the intestinal barrier dysfunction caused by AFM1 and was associated with intestinal cell survival related pathways, such as cell cycle, apoptosis and MAPK signaling pathway and intestinal integrity related pathways including endocytosis, tight junction, adherens junction and gap junction. The cross-omics analysis suggested that insulin receptor (INSR), cytoplasmic FMR1 interacting protein 2 (CYFIP2), dedicator of cytokinesis 1 (DOCK1) and ribonucleotide reductase regulatory subunit M2 (RRM2) were the potential key regulators as LF repaired the compromised intestinal barrier. These findings indicated that LF may be an alternative treatment for the compromised intestinal barrier induced by AFM1.

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