裂藻胞内和胞外多糖对h2o2诱导的人皮肤成纤维细胞氧化损伤的保护机制

IF 1.7 3区农林科学 Q3 CHEMISTRY, APPLIED

Food and Agricultural Immunology Pub Date : 2023-05-29 DOI:10.1080/09540105.2023.2203407

Wenjing Cheng, Yundong Yang, Jiachan Zhang, Feiqian Di, Luyao Li, Changtao Wang, Meng Li, Dan Zhao, X. Shi, Tong Huo, Quan An

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Protective mechanisms of intra- and extracellular polysaccharides from Schizophyllum commune on H2O2-induced oxidative damage of human skin fibroblasts

ABSTRACT Schizophyllum commune is a fungus with applications both in medicine and foods, which produces IPS and EPS. However, there is no comparative study on the activity comparison of IPS and EPS and its mechanism of antioxidant effect. In this study, the antioxidant activities of the two polysaccharides were measured in biochemical, cellular and molecular levels, and H2O2 induced oxidative damage model of HSFs was established to explore the protective effects of EPS and IPS. We found IPS and EPS both achieved a good antioxidant effect. They can also improve the cellular levels of SOD and reduce MDA. Insights regarding the molecular mechanism were studied, we found that both EPS and IPS could increase the expression of Nrf2 in Keap1-Nrf2/ARE signaling pathway. At the same time, they could inhibit the expression of the negative feedback gene Keap1 and promote the expression of downstream gene GCLC, Gstt-1, Nqo1 and Ho-1.

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来源期刊

Food and Agricultural Immunology 农林科学-毒理学

CiteScore

5.30

自引率

6.70%

发文量

审稿时长

2 months

期刊介绍： Food and Agricultural Immunology is an international open access journal publishing original immunological research with applications in food, agricultural, environmental and veterinary science. Submissions describing the use of immunological techniques and methods are particularly welcomed. The journal aims to expand our understanding of the interactions at the interface of food and immune systems including studies on: -Development of diagnostic systems – all types of ligand-based assays, e.g. antibody, aptamer -Application of ligand-based assays for the detection or identification of molecules of interest in food science, agricultural research, veterinary investigations and clinical systems relating to food allergy or sensitivity to agricultural chemicals -Effects of food on the immune system -Studies on allergy and allergic reactions -Investigations into food allergies -Development of allergen-free food systems -Development of novel assay formats -Applications of assay systems to the monitoring of food items in relation to safety and labelling -Food quality issues, e.g. speciation, adulteration and contamination -Comparisons between different analytical techniques The journal publishes research and review articles and is essential reading for food scientists, immunologists and all those concerned with the interaction between food and immune systems.