Chao Jiang, Furong Zhu, Shabaaiti Aimaier, Liang Zhang, Md Hasan Ali, Furong Fan, Yating Lu, Mengwei Jia, Dongsen Wu, Haipeng Yin, Jianwang Wei, Shenghui Chu, Min Liu
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Safflower Polysaccharides Alleviate TNBS-Induced Colitis by Modulating Gut Immunity.
This study aims to investigate the potential immunological mechanisms by which Safflower polysaccharides (SPSs) regulate colitis. The therapeutic effect of SPSs on colitis was investigated by trinitrobenzene sulfonic acid (TNBS)-induced rats model, TNF-α-stimulated Caco-2 cells, LPS-induced THP-1 cell model, and a co-culture model of Caco-2 and THP-1. The results demonstrated that SPSs effectively ameliorated clinical symptoms, reduced the expression of pro-inflammatory factors, restored colonic pathological damage, regulated the body's immunity, and inhibited intestinal macrophage M1 polarization in vivo. In vitro, SPSs could alleviate the inflammatory response of epithelial cells, inhibit macrophage M1 polarization and regulate epithelial-immune cells interaction. Through the experimental study of siRNA-CHI3L1 and r-CHI3L1, it was found that CHI3L1 mediated the interaction between epithelial cells and immune cells. This study demonstrated that SPS can significantly improve clinical symptoms and alleviated colonic damage in TNBS-induced colitis rat models. The underlying mechanisms are associated with STAT3/NF-κB signaling and immunomodulation, where the immunoregulatory effect is based on CHI3L1-mediated epithelial-immune cell interaction mechanisms.
期刊介绍：
Foods (ISSN 2304-8158) is an international, peer-reviewed scientific open access journal which provides an advanced forum for studies related to all aspects of food research. It publishes reviews, regular research papers and short communications. Our aim is to encourage scientists, researchers, and other food professionals to publish their experimental and theoretical results in as much detail as possible or share their knowledge with as much readers unlimitedly as possible. There is no restriction on the length of the papers. The full experimental details must be provided so that the results can be reproduced. There are, in addition, unique features of this journal:
manuscripts regarding research proposals and research ideas will be particularly welcomed
electronic files or software regarding the full details of the calculation and experimental procedure, if unable to be published in a normal way, can be deposited as supplementary material
we also accept manuscripts communicating to a broader audience with regard to research projects financed with public funds
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