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Shi J, Zhao XH, Fu Y, Lametsch R. Transglutaminase-Mediated Caseinate Oligochitosan Glycation Enhances the Effect of Caseinate Hydrolysate to Ameliorate the LPS-Induced Damage on the Intestinal Barrier Function in IEC-6 Cells. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:8787-8796. [PMID: 34323484 DOI: 10.1021/acs.jafc.1c02858] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Some food components can regulate the intestinal barrier function. Herein, the effect of transglutaminase-type oligochitosan glycation on caseinate hydrolysate for its ability to maintain intestinal epithelial integrity and the tight junction (TJ) structure was investigated by assessing and comparing the bioactivities of glycated caseinate hydrolysate and caseinate hydrolysate against the lipopolysaccharide-induced barrier damage in the model cells (rat intestinal epithelial IEC-6 cells). The results from liquid chromatography with tandem mass spectrometry (LC-MS/MS) analysis demonstrated that oligochitosan glycation occurred at the Gln residues of α-S1-casein and α-S2-casein. The two hydrolysates retarded the lipopolysaccharide cytotoxicity toward IEC-6 cells and enhanced the barrier integrity by increasing the transepithelial electrical resistance or decreasing the paracellular permeability. In addition, these two hydrolysates could upregulate both mRNA and protein expression of three TJ proteins in IEC-6 cells. More importantly, the glycated caseinate hydrolysate had higher potential than caseinate hydrolysate to protect IEC-6 cells against the lipopolysaccharide-induced barrier damage, suggesting that the transglutaminase-mediated oligochitosan glycation of proteins is a useful approach to enforce protein biofunctions in the intestine.
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Affiliation(s)
- Jia Shi
- School of Biological and Food Engineering, Guangdong University of Petrochemical Technology, 525000 Maoming, P. R. China
- College of Food Science, Northeast Agricultural University, 150030 Harbin, P. R. China
| | - Xin-Huai Zhao
- School of Biological and Food Engineering, Guangdong University of Petrochemical Technology, 525000 Maoming, P. R. China
- College of Food Science, Northeast Agricultural University, 150030 Harbin, P. R. China
| | - Yu Fu
- College of Food Science, Southwest University, 400715 Chongqing, P. R. China
| | - Rene Lametsch
- Department of Food Science, University of Copenhagen, 1958 Frederiksberg C, Denmark
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Natural Food Polysaccharides Ameliorate Inflammatory Bowel Disease and Its Mechanisms. Foods 2021; 10:foods10061288. [PMID: 34199820 PMCID: PMC8227517 DOI: 10.3390/foods10061288] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 05/30/2021] [Accepted: 06/02/2021] [Indexed: 02/08/2023] Open
Abstract
Natural polysaccharides and their metabolites’ short chain fatty acids (SCFAs) have attracted much attention. Recently, they have shown great potential in attenuating systemic inflammation activities, especially in inflammatory bowel disease (IBD). IBD is a complex pathological process and is related to epithelial damage and microbiota imbalance in the gut. Recent studies have indicated that natural polysaccharides could improve IBD recovery by different mechanisms. They could not only influence the ratio of intestine microbiota, but also regulate the secretion levels of immunity cytokines through multiple pathways, the latter including modulation of the TLR/MAPK/NF-κB signaling pathways and stimulation of G-protein-coupled receptors. Moreover, they could increase intestinal integrity and modulate oxidative stress. In this review, recent research about how natural polysaccharides impact the pathogenesis of IBD are summarized to prove the association between polysaccharides and disease recovery, which might contribute to the secretion of inflammatory cytokines, improve intestine epithelial damage, reduce oxidative stress, sustain the balanced microenvironment of the intestines, and finally lower the risk of IBD.
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Gong Y, Ma Y, Cheung PCK, You L, Liao L, Pedisić S, Kulikouskaya V. Structural characteristics and anti-inflammatory activity of UV/H 2O 2-treated algal sulfated polysaccharide from Gracilaria lemaneiformis. Food Chem Toxicol 2021; 152:112157. [PMID: 33789119 DOI: 10.1016/j.fct.2021.112157] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 03/02/2021] [Accepted: 03/22/2021] [Indexed: 12/11/2022]
Abstract
The study aimed to study the effects on structural characteristics and anti-inflammatory activities of algal sulfated polysaccharides isolated from Gracilaria lemaneiformis (GLP) after a combined treatment of UV irradiation (average irradiance of 6500 mJ/cm2) and H2O2 (50 mmol/L) for various time periods up to 60 min. After a 30-min treatment, the molecular weight and particle size of GLP was decreased by 15 and 2.6 fold, respectively with small but significant decrease in the contents of total sugars, uronic acids and proteins. There seemed to have no starch and the presence of longer side chains of branches in the GLP samples before and after UV/H2O2 treatment based on the I2-KI assay. Scanning electron microscope and atomic force microscope analysis confirmed that the UV/H2O2 treatment could modify the surface morphology of GLP. GLP treated for 5 min possessed the strongest in vitro anti-inflammatory activity by inhibiting the production of nitric oxide, tumor necrosis factor-α and interleukin-6 by 60.49%, 62.81% and 36.29%, respectively in IEC-6 cells when compared to the model. Therefore, UV/H2O2 treatment had the potential to enhance the anti-inflammatory activity of algal sulfated polysaccharides.
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Affiliation(s)
- Yufeng Gong
- School of Food Science and Engineering, South China University of Technology, Guangzhou, Guangdong, 510640, China
| | - Yongxuan Ma
- Sericultural & Agri-Food Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, Guangdong, 510610, China; Guangzhou Liheng Clinical Nutrition Co. Ltd., Guangzhou, 510610, Guangdong, China
| | - Peter Chi-Keung Cheung
- Food & Nutritional Sciences Program, School of Life Sciences, Chinese University of Hong Kong, Hong Kong, China
| | - Lijun You
- School of Food Science and Engineering, South China University of Technology, Guangzhou, Guangdong, 510640, China; Overseas Expertise Introduction Center for Discipline Innovation of Food Nutrition and Human Health (111 Center), Guangzhou, 510640, Guangdong, China.
| | - Lan Liao
- Department of Food Science, College of Food Science and Technology, Foshan University, Foshan, Guangdong, 528000, China
| | - Sandra Pedisić
- Faculty of Food Technology & Biotechnology, University of Zagreb, Prolaz Kasandrića 6, 23000, Zadar, Croatia
| | - Viktoryia Kulikouskaya
- Institute of Chemistry of New Materials, National Academy of Sciences of Belarus. 36F. Skaryna Str., Minsk, Belarus, 220141
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Han R, Ma Y, Xiao J, You L, Pedisić S, Liao L. The possible mechanism of the protective effect of a sulfated polysaccharide from Gracilaria Lemaneiformis against colitis induced by dextran sulfate sodium in mice. Food Chem Toxicol 2021; 149:112001. [PMID: 33482260 DOI: 10.1016/j.fct.2021.112001] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 11/02/2020] [Accepted: 01/14/2021] [Indexed: 02/05/2023]
Abstract
This study aimed to investigate the possible mechanism of the protective effect of a sulfated polysaccharide (SP) from Gracilaria Lemaneiformis against colitis induced by dextran sulfate sodium (DSS). Balb/c mice were gavaged with SP for four weeks, then colon tissue, cecal contents and feces were collected for further analysis. Results showed that SP was effective for inhibiting colon shortening and oedema forming. It could alleviate colonic inflammation via down-regulating the expression of tumor necrosis factor-α (TNF-α), interleukin (IL-6, IL-1β). Besides, it enhanced the intestinal barrier by up-regulating the expression of tight junction proteins Claudin-1 and Zonula occludens-1 (ZO-1) as well as Mucin (MUC-2). The increased expression of short chain fatty acid (SCFA) receptors including G protein-coupled receptor (GPR43, GPR109A) and olfactory receptor (Olfr78), and SCFA production in feces indicated that most of SCFA were absorbed in colon, which could play positive roles in ameliorating colitis. Furthermore, the results of gut microbiota showed that Enterorhabdus, Desulfovibrio, Alistipes, Bacteroides acidifaciens had closest correlations with the strongest protective effects against colitis. Therefore, SP could alleviate DSS-induced colitis via enhancing intestinal barrier, reducing inflammation, activating SCFA receptors and regulating gut microbiota. It could be developed as functional foods which is good for gut health.
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Affiliation(s)
- Rui Han
- School of Food Science and Engineering, South China University of Technology, 381 Wushan Road, Guangzhou, 510640, Guangdong, China
| | - Yongxuan Ma
- Guangzhou Liheng Clinical Nutrition Co.LTD, 133 Yiheng Road, Guangzhou, 510610, Guangdong, China
| | - Jianbo Xiao
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Control in Chinese Medicine, University of Macau, Macau SAR, China
| | - Lijun You
- School of Food Science and Engineering, South China University of Technology, 381 Wushan Road, Guangzhou, 510640, Guangdong, China; Overseas Expertise Introduction Center for Discipline Innovation of Food Nutrition and Human Health (111 Center), Guangzhou, 510640, Guangdong, China.
| | - Sandra Pedisić
- Faculty of Food Technology and Biotechnology, University of Zagreb, Prolaz Kasandrića 6, 23000, Zadar, Croatia
| | - Lan Liao
- Department of Food Science, College of Food Science and Technology, Foshan University, Foshan, Guangdong, 528000, China
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Ge Y, Ahmed S, Yao W, You L, Zheng J, Hileuskaya K. Regulation effects of indigestible dietary polysaccharides on intestinal microflora: An overview. J Food Biochem 2020; 45:e13564. [PMID: 33219555 DOI: 10.1111/jfbc.13564] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 09/20/2020] [Accepted: 10/22/2020] [Indexed: 12/14/2022]
Abstract
The human intestinal contains rich and diverse microbiota that utilizes a variety of polysaccharides. The intestinal microflora extends the metabolic functions of the body, obtaining energy from indigestible dietary polysaccharides. It is not only a highly competitive environment but also a comprehensive collaboration for these polysaccharides, as the microbiota work to maximize the energy harvested from them through the intestine. Indigestible dietary polysaccharides help to manage colon health and host health by affecting the gut microbial population. These polysaccharides also influence the metabolic activity of the intestinal microbiota by stimulating the formation of SCFAs. Most of these metabolic activities affect host physiology because the epithelium absorbs secondary metabolites and end products or transports them to the liver, where they could exert other beneficial effects. This article reviews the carbohydrates existing in the human intestine, the regulating actions of indigestible polysaccharides on intestinal microflora, and the molecular basis of the degradation process of these polysaccharides. PRACTICAL APPLICATIONS: Large deals of researches have shown that indigestible polysaccharides possess an outstanding regulation effect on the intestinal microflora, which indicates that indigestible polysaccharides have the potential to be used as prebiotics in the functional food and pharmaceutical industries. However, it is not clear how gut microbiota metabolizes these dietary polysaccharides, and how the resulting gut metabolites may further affect the intestinal microflora population and metabolism. This paper reviews the indigestible dietary polysaccharides existing in the human intestine, the regulation of polysaccharides on gut microbiota, and the molecular basis of the degradation process of these polysaccharides. This review helps to better understand the relationship between indigestible dietary polysaccharides and intestinal microflora, which will provide powerful evidence for the potential use of these polysaccharides as functional foods.
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Affiliation(s)
- Yazhong Ge
- School of Food Science and Engineering, South China University of Technology, Guangzhou, China.,Infinitus (China) Company Ltd, Guangzhou, China
| | - Shahid Ahmed
- School of Food Science and Engineering, South China University of Technology, Guangzhou, China
| | - Wanzi Yao
- School of Food Science and Engineering, South China University of Technology, Guangzhou, China.,Overseas Expertise Introduction Center for Discipline Innovation of Food Nutrition and Human Health (111 Center), Guangzhou, China
| | - Lijun You
- School of Food Science and Engineering, South China University of Technology, Guangzhou, China.,Overseas Expertise Introduction Center for Discipline Innovation of Food Nutrition and Human Health (111 Center), Guangzhou, China
| | - Jianxian Zheng
- School of Food Science and Engineering, South China University of Technology, Guangzhou, China
| | - Kseniya Hileuskaya
- Institute of Chemistry of New Materials, National Academy of Sciences of Belarus, Minsk, Belarus
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