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Liu S, Hong L, Zhang S, Tian Y, Wang Y, Zhao D, Lv J, Zhuang J, Xu H, Xia G. Sporisorium reilianum polysaccharides improve DSS-induced ulcerative colitis by regulating intestinal barrier function and metabolites. Int J Biol Macromol 2024; 265:130863. [PMID: 38490380 DOI: 10.1016/j.ijbiomac.2024.130863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 02/28/2024] [Accepted: 03/12/2024] [Indexed: 03/17/2024]
Abstract
This study investigated the regulatory effects of Sporisorium reilianum polysaccharides (SRPS) on metabolism and the intestinal barrier in mice with colitis induced by dextran sulfate sodium (DSS). SRPS were resistant to the digestion of saliva, gastric juices, and intestinal fluid. SRPS significantly reduced the disease activity index and inhibited DSS-induced colon shortening. The expression of proinflammatory cytokines in the colon was normal (P < 0.05). Acetic acid, propionic acid, butyric acid, isobutyric acid, and isovaleric acid contents increased. Moreover, 64 biomarker metabolites were affected, including 42 abnormal decreases and 22 abnormal increases caused by DSS, which targeted amino acid biosynthesis; tryptophan metabolism; protein digestion and absorption; aminoacyl-tRNA biosynthesis; and glycine, serine, and threonine metabolism. In addition, SRPS reduced goblet cell loss and increased mucin secretion. The short-chain fatty acid receptor GPR41 was activated, and zonula occludens-1 and occludin expression levels were upregulated. Epithelial cell apoptosis was inhibited by increased Bcl-2 and decreased Bax expression NLRP3, ASC, and caspase-1 protein levels decreased. Intestinal barrier damage improved, and colon inflammation was reduced. Thus, our preliminary findings reveal that SRPS regulates metabolism and has the potential to protect the intestinal barrier in ulcerative colitis mice.
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Affiliation(s)
- Shuaichen Liu
- Department of Food Science and Engineering, College of Agricultural, Yanbian University, Yanji 133000, Jilin, China; Department of Food Science and Engineering, College of Integration Science, Yanbian University, Yanji 133000, Jilin, China
| | - Lan Hong
- Department of Physiology and Pathophysiology, College of Medicine, Yanbian University, Yanji 133002, China
| | - Song Zhang
- Department of Food Science and Engineering, College of Agricultural, Yanbian University, Yanji 133000, Jilin, China
| | - Yuxin Tian
- Department of Food Science and Engineering, College of Agricultural, Yanbian University, Yanji 133000, Jilin, China
| | - Yuchen Wang
- Department of Food Science and Engineering, College of Integration Science, Yanbian University, Yanji 133000, Jilin, China
| | - Duanduan Zhao
- Department of Food Science and Engineering, College of Integration Science, Yanbian University, Yanji 133000, Jilin, China
| | - Jingheng Lv
- Department of Food Science and Engineering, College of Integration Science, Yanbian University, Yanji 133000, Jilin, China
| | - Jingjing Zhuang
- Department of Food Science and Engineering, College of Agricultural, Yanbian University, Yanji 133000, Jilin, China
| | - Hongyan Xu
- Department of Food Science and Engineering, College of Agricultural, Yanbian University, Yanji 133000, Jilin, China; Department of Food Science and Engineering, College of Integration Science, Yanbian University, Yanji 133000, Jilin, China.
| | - Guangjun Xia
- Department of Animal Science, College of Agricultural, Yanbian University, Yanji 133000, Jilin, China.
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Ren DD, Chen KC, Li SS, Zhang YT, Li ZM, Liu S, Sun YS. Panax quinquefolius polysaccharides ameliorate ulcerative colitis in mice induced by dextran sulfate sodium. Front Immunol 2023; 14:1161625. [PMID: 37415978 PMCID: PMC10321667 DOI: 10.3389/fimmu.2023.1161625] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 06/05/2023] [Indexed: 07/08/2023] Open
Abstract
This study aimed to investigate the ameliorative effect of the polysaccharides of Panax quinquefolius (WQP) on ulcerative colitis (UC) induced by dextran sulfate sodium (DSS) in mice and to explore its mechanism. Male C57BL/6J mice were randomly divided into the control group (C), model group (DSS), positive control mesalazine (100 mg/kg, Y) group, and low (50 mg/kg, L), medium (100 mg/kg, M) and high dose (200 mg/kg, H) of WQP groups. The UC model was induced by free drinking water with 2.5% DSS for 7 days. During the experiment, the general condition of the mice was observed, and the disease activity index (DAI) was scored. The conventional HE staining was used to observe pathological changes in mice's colon, and the ELISA method was used to detect the levels of interleukin-6 (IL-6), IL-4, IL-8, IL-10, IL-1β and tumor necrosis factor-α (TNF-α) in mice's colon. The changes in gut microbiota in mice were detected by high-throughput sequencing; the concentration of short-chain fatty acids (SCFAs) was determined by gas chromatography; the expression of related proteins was detected by Western blot. Compared with the DSS group, the WQP group showed a significantly lower DAI score of mice and an alleviated colon tissue injury. In the middle- and high-dose polysaccharides groups, the levels of pro-inflammatory cytokines IL-6, IL-8, IL-1β and TNF-α in the colonic tissue were significantly decreased (P<0.05), while the levels of IL-4 and IL-10 were significantly increased (P<0.05). The 16S rRNA gene sequencing results showed that different doses of WQP could regulate the composition and diversity of gut microbiota and improve its structure. Specifically, at the phylum level, group H showed an increased relative abundance of Bacteroidetes and a decreased relative abundance of Firmicutes compared with the DSS group, which was closer to the case in group C. At the family level, the relative abundance of Rikenellaceae in L, M and H groups increased significantly, close to that in group C. At the genus level, the relative abundance of Bacteroides, Shigella and Oscillospira in the H group increased significantly, while that of Lactobacillus and Prevotella decreased significantly. The high-dose WQP group could significantly increase the contents of acetic acid, propionic acid, butyric acid, and total SCFAs. Different doses of WQP also increased the expression levels of tight junction proteins ZO-1, Occludin and Claudin-1. To sum up, WQP can regulate the gut microbiota structure of UC mice, accelerate the recovery of gut microbiota, and increase the content of Faecal SCFAs and the expression level of tight junction proteins in UC mice. This study can provide new ideas for the treatment and prevention of UC and theoretical references for the application of WQP.
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Affiliation(s)
- Duo-duo Ren
- Institute of Special Wild Economic Animals and Plants, Chinese Academy of Agricultural Sciences, Changchun, China
- Institute of College of Veterinary Medicine, Northwest Agriculture and Forestry University, Yangling, China
| | | | - Shan-shan Li
- Institute of Special Wild Economic Animals and Plants, Chinese Academy of Agricultural Sciences, Changchun, China
- Institute of Biological and Pharmaceutical Engineering, Jilin Agricultural Science and Technology University, Jilin, China
| | - Yan-ting Zhang
- Institute of Special Wild Economic Animals and Plants, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Zhi-man Li
- Institute of Special Wild Economic Animals and Plants, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Shuang Liu
- Looking Up 9 Starry Sky Medical Research Center, Siping, China
| | - Yin-shi Sun
- Institute of Special Wild Economic Animals and Plants, Chinese Academy of Agricultural Sciences, Changchun, China
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Wu W, Lin Y, Farag MA, Li Z, Shao P. Dendrobium as a new natural source of bioactive for the prevention and treatment of digestive tract diseases: A comprehensive review with future perspectives. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2023; 114:154784. [PMID: 37011417 DOI: 10.1016/j.phymed.2023.154784] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 03/01/2023] [Accepted: 03/21/2023] [Indexed: 06/19/2023]
Abstract
BACKGROUND The incidence of diseases related to the digestive tract is on the rise, with many types of complex etiologies. Dendrobium nobile Lindl. is a famous Traditional Chinese Medicine (TCM) rich in many bioactives proven to be beneficial in several health diseases related to inflammation and oxidative stress. PURPOSE At present, despite the availability of various therapeutic clinical drugs used for the treatment of digestive tract diseases, resistance emergence and existence of several side effects warrant for the developing of novel drugs for improved effects on digestive tract diseases. METHODS "Orchidaceae", "Dendrobium", "inflammation", "digestive tract", and "polysaccharide" were used as search terms to screen the literature. The therapeutic use of Dendrobium related to digestive tract diseases relative to known polysaccharides and other bioactive compounds were derived from online databases, including Web of Science, PubMed, Elsevier, Science Direct, and China National Knowledge Infrastructure, as well as relevant information on the known pharmacological actions of the listed phytochemicals. RESULTS To better capitalize upon Dendrobium for preventing and treating diseases related to digestive tract, this review summarizes bioactives in Dendrobium reported of potential in digestive tract diseases management and their underlying action mechanisms. Studies revealed that Dendrobium encompasses diverse classes including polysaccharides, phenolics, alkaloids, bibenzyls, coumarins, phenanthrene and steroids, with polysaccharide as the major class. Dendrobium exerts various health effects on a variety of disease related to the digestive tract. Action mechanisms involve antioxidant, anti-inflammatory, anti-apoptotic, antioxidant, anticancer, alongside the regulation of some key signaling pathways. CONCLUSION Overall, Dendrobium appears as a promising TCM source of bioactives that has the potential to be further developed into nutraceuticals for digestive tract diseases compared to current drug treatments. This review highlights for Dendrobium potential effects with future perspectives for needed future research to maximize the use of bioactive compounds from Dendrobium for digestive tract disease treatment. A compile of Dendrobium bioactives is also presented alongside methods for their extraction and enrichment for potential incorporation in nutraceuticals.
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Affiliation(s)
- Wenjun Wu
- Department of Food Science and Technology, Zhejiang University of Technology, Zhejiang, Hangzhou 310014, China; Zhejiang Sci-Tech University Shaoxing Academy of Biomedicine Co. Ltd., Zhejiang, Shaoxing 312000, China
| | - Yang Lin
- Department of Food Science and Technology, Zhejiang University of Technology, Zhejiang, Hangzhou 310014, China; Zhejiang Sci-Tech University Shaoxing Academy of Biomedicine Co. Ltd., Zhejiang, Shaoxing 312000, China
| | - Mohamed A Farag
- Pharmacognosy Department, College of Pharmacy, Cairo University, Kasr El Aini St., P.B., Cairo, Egypt
| | - Zhenhao Li
- Zhejiang ShouXianGu Botanical Drug Institute Co., Ltd., Zhejiang Hangzhou 321200 China
| | - Ping Shao
- Department of Food Science and Technology, Zhejiang University of Technology, Zhejiang, Hangzhou 310014, China; Eco-Industrial Innovation Institute ZJUT, Zhejiang, Quzhou 324000, China.
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Liu X, Virk S, Fedorova T, Oo WM, Hunter DJ. The effect of pentosan polysulfate sodium for improving dyslipidaemia and knee pain in people with knee osteoarthritis: A pilot study. OSTEOARTHRITIS AND CARTILAGE OPEN 2023; 5:100343. [PMID: 36879559 PMCID: PMC9985017 DOI: 10.1016/j.ocarto.2023.100343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Accepted: 02/02/2023] [Indexed: 02/10/2023] Open
Abstract
Objective To evaluate the efficacy and safety of pentosan polysulfate sodium (PPS, Elmiron®) for dyslipidaemia and knee osteoarthritis (OA) related symptoms. Method This was a single-arm, open-label, prospective, non-randomised pilot study. People with painful knee OA and a history of primary hypercholesterolemia were included. PPS was taken orally in a dosage of 10 mg/kg once every 4 days for 5 weeks for two cycles. There was 5 weeks of no medication between the cycles. The main outcomes included the change in lipidemia levels, the change in knee OA-related symptoms assessed by pain numerical rating scale (NRS) and Knee Osteoarthritis Outcome Score (KOOS), and knee MRI semi-quantitative score. The changes were analysed using paired t-tests. Results 38 participants were included, with a mean age of 62.2 years. We found a statistically significant decrease in total cholesterol (from 6.23 ± 0.74 to 5.95 ± 0.77 mmol/L; P = 0.01) and low-density lipoprotein (from 4.03 ± 0.61 to 3.82 ± 0.61 mmol/L; P = 0.009) from baseline to week 16. Knee pain NRS was significantly reduced at weeks 6, 16 and 26 from 6.39 ± 1.33 to 4.18 ± 1.99, 3.63 ± 2.28 and 4.38 ± 2.55, respectively (P < 0.001). However, there was no significant difference in terms of the primary outcome of triglyceride levels before and after treatment. The most common AEs were positive faecal occult blood tests, followed by headache and diarrhoea. Conclusion The findings suggest that PPS has promising effects on improving dyslipidaemia and symptomatic pain relief in people with knee OA.
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Affiliation(s)
- Xiaoqian Liu
- Rheumatology Department, Royal North Shore Hospital, Northern Clinical School, Faculty of Medicine and Health, The University of Sydney, Australia.,Sydney Musculoskeletal Health, Kolling Institute, The University of Sydney, Australia
| | - Sonika Virk
- Rheumatology Department, Royal North Shore Hospital, Northern Clinical School, Faculty of Medicine and Health, The University of Sydney, Australia.,Sydney Musculoskeletal Health, Kolling Institute, The University of Sydney, Australia
| | - Tatyana Fedorova
- Rheumatology Department, Royal North Shore Hospital, Northern Clinical School, Faculty of Medicine and Health, The University of Sydney, Australia.,Sydney Musculoskeletal Health, Kolling Institute, The University of Sydney, Australia
| | - Win Min Oo
- Rheumatology Department, Royal North Shore Hospital, Northern Clinical School, Faculty of Medicine and Health, The University of Sydney, Australia.,Sydney Musculoskeletal Health, Kolling Institute, The University of Sydney, Australia
| | - David J Hunter
- Rheumatology Department, Royal North Shore Hospital, Northern Clinical School, Faculty of Medicine and Health, The University of Sydney, Australia.,Sydney Musculoskeletal Health, Kolling Institute, The University of Sydney, Australia
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Pentosan Polysulfate-Associated Dysplasia in Patients with Inflammatory Bowel Disease: A Case Series. Am J Gastroenterol 2022; 118:905-908. [PMID: 36689730 DOI: 10.14309/ajg.0000000000002137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 11/21/2022] [Indexed: 01/25/2023]
Abstract
OBJECTIVES This study evaluates the potential association of pentosan polysulfate (PPS) with inflammatory bowel disease (IBD) or dysplasia. METHODS We searched electronic medical records to identify patients with IBD using PPS. RESULTS 10 of 30 identified patients (33.3%) had colonic dysplasia. Six of these (60%) underwent colectomy for endoscopically unresectable dysplasia. Three (10%) discontinued PPS, each with apparent benefit. CONCLUSIONS Patients with IBD at two institutions who had taken PPS had high rates of colonic dysplasia leading to surgery. Patients who stopped PPS showed improvement in their colitis. PPS may play a causal role in the development of colitis and dysplasia.
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Li S, Huo X, Qi Y, Ren D, Li Z, Qu D, Sun Y. The Protective Effects of Ginseng Polysaccharides and Their Effective Subfraction against Dextran Sodium Sulfate-Induced Colitis. Foods 2022; 11:foods11060890. [PMID: 35327312 PMCID: PMC8949837 DOI: 10.3390/foods11060890] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 03/15/2022] [Accepted: 03/16/2022] [Indexed: 01/08/2023] Open
Abstract
Polysaccharides from Panax ginseng are natural carbohydrates with multiple activities. However, little was known about its functions on colitis. In this study, we aim to investigate the protective effects of ginseng polysaccharides and its effective subfraction on dextran sodium sulfate (DSS)-induced colitis. Water soluble ginseng polysaccharides (WGP) were obtained from dry ginseng root, then purified to neutral fraction (WGPN) and acidic fraction (WGPA) by ion exchange chromatography. An animal model was constructed with male Wistar rats, which were treated with a normal diet (con group), DSS (DSS group), WGP (WGP group), WGPN (WGPN group), and WGPA (WGPA group), respectively. Both WGP and WGPA alleviated the colitis symptoms and colon structure changes of colitis rats. They decreased the disease activity index (DAI) scores and improved colon health; reduced colon damage and recovered the intestinal barrier via regulating the tight-junction-related proteins (ZO-1 and Occludin); downregulated inflammatory cytokines (IL-1β, IL-2, IL-6, and IL-17) and inhibited the TLR4/MyD88/NF-κB-signaling pathway in the colon; regulated the diversity and composition of gut microbiota, especially the relative abundance of Ruminococcus; enhanced the production of SCFAs. In conclusion, WGP exerted a protective effect against colitis with its acidic fraction (WGPA) as an effective fraction. The results support the utilization and investigation of ginseng polysaccharides as a potential intervention strategy for the prevention of colitis.
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Affiliation(s)
- Shanshan Li
- Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun 130112, China; (S.L.); (X.H.); (Y.Q.); (D.R.); (Z.L.); (D.Q.)
- Department of Biology, College of Biological and Pharmaceutical Engineering, Jilin Agricultural Science and Technology University, Jilin 132101, China
| | - Xiaohui Huo
- Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun 130112, China; (S.L.); (X.H.); (Y.Q.); (D.R.); (Z.L.); (D.Q.)
| | - Yuli Qi
- Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun 130112, China; (S.L.); (X.H.); (Y.Q.); (D.R.); (Z.L.); (D.Q.)
| | - Duoduo Ren
- Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun 130112, China; (S.L.); (X.H.); (Y.Q.); (D.R.); (Z.L.); (D.Q.)
| | - Zhiman Li
- Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun 130112, China; (S.L.); (X.H.); (Y.Q.); (D.R.); (Z.L.); (D.Q.)
| | - Di Qu
- Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun 130112, China; (S.L.); (X.H.); (Y.Q.); (D.R.); (Z.L.); (D.Q.)
| | - Yinshi Sun
- Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun 130112, China; (S.L.); (X.H.); (Y.Q.); (D.R.); (Z.L.); (D.Q.)
- Correspondence: ; Tel.: +86-431-81919580
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