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Ai T, Wan J, Yu X, Liu J, Yin C, Yang L, Liu H, Qin R. The Non-Denatured Processing of Brasenia schreberi Mucilage-Characteristics of Hydrodynamic Properties and the Effect on In Vivo Functions. Foods 2024; 13:1824. [PMID: 38928766 PMCID: PMC11203210 DOI: 10.3390/foods13121824] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Revised: 05/29/2024] [Accepted: 06/07/2024] [Indexed: 06/28/2024] Open
Abstract
Food non-denatured processes, such as freeze-drying and grinding, are commonly applied to raw materials with good bioactive functions. Although the functional components are maintained, whether structural and physical changes impact the in vivo function is often ignored in practical situations. Brasenia schreberi mucilage (BSM) has a significant alleviation effect on DSS-induced colitis. This work focused on the influence of non-denatured manufacture on the colonic benefits of BSM-based products. First, three forms of products including fresh mucilage (FM), freeze-dried products (FS), and freeze-dried powder (FP) were prepared. Then, their in vitro physiochemical properties were compared, analyzing their influence on the gut inflammation degree, microbial composition, and SCFA production in mice. The results suggested that the water retention rate of FS and FP was decreased to 34.59 ± 3.85%, and 9.93 ± 1.76%. The viscosity of FM, FS, and FP was 20.14 Pa∙s, 4.92 Pa∙s, and 0.41 Pa∙s, respectively. The freeze-drying and grinding process also damaged the lamellar microstructure of BSM. Then, animal tests showed that colitis mice intervened with FM, FS, and FP had disease activity scores of 2.03, 3.95, and 4.62. Meanwhile, FM notably changed the gut microbial composition and significantly increased propionate and butyrate levels. It seemed that the distinct colitis alleviation efficacy of BSM-based products is attributed to different hydrodynamic properties in the gut. FM had relatively higher viscosity and correspondingly high nutritional density in the gut lumen, which stimulates Firmicutes growth and promotes butyrate production, and thereby exhibited the best efficiency on protecting from colitis.
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Affiliation(s)
- Tingyang Ai
- Hubei Provincial Key Laboratory for Protection and Application of Special Plant Germplasm in Wuling Area of China, College of Life Sciences, South-Central MinZu University, Wuhan 430074, China; (T.A.); (J.W.); (X.Y.); (J.L.); (C.Y.); (H.L.)
| | - Jiawei Wan
- Hubei Provincial Key Laboratory for Protection and Application of Special Plant Germplasm in Wuling Area of China, College of Life Sciences, South-Central MinZu University, Wuhan 430074, China; (T.A.); (J.W.); (X.Y.); (J.L.); (C.Y.); (H.L.)
| | - Xiujuan Yu
- Hubei Provincial Key Laboratory for Protection and Application of Special Plant Germplasm in Wuling Area of China, College of Life Sciences, South-Central MinZu University, Wuhan 430074, China; (T.A.); (J.W.); (X.Y.); (J.L.); (C.Y.); (H.L.)
| | - Jiao Liu
- Hubei Provincial Key Laboratory for Protection and Application of Special Plant Germplasm in Wuling Area of China, College of Life Sciences, South-Central MinZu University, Wuhan 430074, China; (T.A.); (J.W.); (X.Y.); (J.L.); (C.Y.); (H.L.)
| | - Cong Yin
- Hubei Provincial Key Laboratory for Protection and Application of Special Plant Germplasm in Wuling Area of China, College of Life Sciences, South-Central MinZu University, Wuhan 430074, China; (T.A.); (J.W.); (X.Y.); (J.L.); (C.Y.); (H.L.)
| | - Lindong Yang
- Conservation and Comprehensive Utilization Engineering Center of Biological Resources in Southern Minority Areas, College of Life Sciences, South-Central MinZu University, Wuhan 430074, China;
| | - Hong Liu
- Hubei Provincial Key Laboratory for Protection and Application of Special Plant Germplasm in Wuling Area of China, College of Life Sciences, South-Central MinZu University, Wuhan 430074, China; (T.A.); (J.W.); (X.Y.); (J.L.); (C.Y.); (H.L.)
| | - Rui Qin
- Hubei Provincial Key Laboratory for Protection and Application of Special Plant Germplasm in Wuling Area of China, College of Life Sciences, South-Central MinZu University, Wuhan 430074, China; (T.A.); (J.W.); (X.Y.); (J.L.); (C.Y.); (H.L.)
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Zhang MQ, Huang LH, Gong MC, Hong WM, Xie R, Wang J, Zhou LL, Chen ZH. Dual targeting total saponins of Pulsatilla of natural polymer crosslinked gel beads with multiple therapeutic effects for ulcerative colitis. Eur J Pharm Biopharm 2024; 199:114309. [PMID: 38704102 DOI: 10.1016/j.ejpb.2024.114309] [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: 02/15/2024] [Revised: 04/18/2024] [Accepted: 05/01/2024] [Indexed: 05/06/2024]
Abstract
Oral colon targeted drug delivery system (OCTDDS) is desirable for the treatment of ulcerative colitis (UC). In this study, we designed a partially oxidized sodium alginate-chitosan crosslinked microsphere for UC treatment. Dissipative particle dynamics (DPD) was used to study the formation and enzyme response of gel beads from a molecular perspective. The formed gel beads have a narrow particle size distribution, a compact structure, low cytotoxicity and great colon targeting in vitro and in vivo. Animal experiments demonstrated that gel beads promoted colonic epithelial barrier integrity, decreased the level of pro-inflammatory factors, accelerated the recovery of intestinal microbial homeostasis in UC rats and restored the intestinal metabolic disorders. In conclusion, our gel bead is a promising approach for the treatment of UC and significant for the researches on the pathogenesis and treatment mechanism of UC.
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Affiliation(s)
- Min-Quan Zhang
- Jiangxi Province Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science and Technology Normal University, Nanchang 330013, PR China
| | - Liang-Hui Huang
- Jiangxi Province Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science and Technology Normal University, Nanchang 330013, PR China
| | - Min-Cheng Gong
- Jiangxi Pharmaceutical School, Nanchang 330001, PR China
| | - Wei-Man Hong
- Jiangxi Province Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science and Technology Normal University, Nanchang 330013, PR China
| | - Rong Xie
- Jiangxi Province Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science and Technology Normal University, Nanchang 330013, PR China
| | - Jin Wang
- Jiangxi Province Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science and Technology Normal University, Nanchang 330013, PR China
| | - Liang-Liang Zhou
- Jiangxi Province Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science and Technology Normal University, Nanchang 330013, PR China; Engineering Center of Jiangxi University for Fine Chemicals, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang 330013, PR China.
| | - Zhen-Hua Chen
- Jiangxi Province Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science and Technology Normal University, Nanchang 330013, PR China.
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3
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Zhao C, Yang X, Fan M, Tian L, Sun T, Sun C, Jiang T. The investigation on sialic acid-modified pectin nanoparticles loaded with oxymatrine for orally targeting and inhibiting the of ulcerative colitis. Colloids Surf B Biointerfaces 2024; 236:113809. [PMID: 38447446 DOI: 10.1016/j.colsurfb.2024.113809] [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: 10/18/2023] [Revised: 02/16/2024] [Accepted: 02/19/2024] [Indexed: 03/08/2024]
Abstract
The aim of the study was to develop an oral targeting drug delivery system (OTDDS) of oxymatrine (OMT) to effectively treat ulcerative colitis (UC). The OTDDS of OMT (OMT/SA-NPs) was constructed with OMT, pectin, Ca2+, chitosan (CS) and sialic acid (SA). The obtained particles were characterized in terms of particle size, zeta potential, morphology, drug loading, encapsulation efficiency, drug release and stability. The average size of OMT/SA-NPs was 255.0 nm with a zeta potential of -12.4 mV. The loading content and encapsulation efficiency of OMT/SA-NPs were 14.65% and 84.83%, respectively. The particle size of OMT/SA-NPs changed slightly in the gastrointestinal tract. The nanoparticles can delivery most of the drug to the colon region. In vitro cell experiments showed that the SA-NPs had excellent biocompatibility and anti-inflammation, and the uptake of SA-NPs by RAW 264.7 cells was time and concentration-dependent. The conjugated SA can help the internalization of NPs into target cells. In vivo experiments showed that OMT/SA-NPs had a superior anti-inflammation effect and the effect of reducing UC, which was attributed to the delivery most of OMT to the colonic lumen, the specific targeting and retention in colitis site and the combined anti-inflammation of OMT and NPs.
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Affiliation(s)
- Chunying Zhao
- Shenyang Pharmaceutical University, Benxi, Liaoning 110016, PR China
| | - Xin Yang
- Shenyang Pharmaceutical University, Benxi, Liaoning 110016, PR China
| | - Mengyao Fan
- Shenyang Pharmaceutical University, Benxi, Liaoning 110016, PR China
| | - Linan Tian
- Shenyang Pharmaceutical University, Benxi, Liaoning 110016, PR China
| | - Tongtong Sun
- Shenyang Pharmaceutical University, Benxi, Liaoning 110016, PR China
| | - Changshan Sun
- Shenyang Pharmaceutical University, Benxi, Liaoning 110016, PR China.
| | - Tongying Jiang
- Shenyang Pharmaceutical University, Benxi, Liaoning 110016, PR China.
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4
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Wang C, Xiang Y, Ma W, Guo C, Wu X. Therapeutic Potential Evaluation of Silk Sericin Stabilized Fisetin to Ulcerative Colitis. Macromol Biosci 2024; 24:e2300277. [PMID: 37658682 DOI: 10.1002/mabi.202300277] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/03/2023]
Abstract
Ulcerative colitis is a chronic inflammatory bowel disease with a high recurrence rate. Natural phytochemical compounds are increasingly being considered as preventative and supportive treatments for this condition. However, the poor water solubility and stability of many of these compounds limit their effectiveness in vivo. To address this issue, fisetin (FT), a natural phytochemical with poor solubility, is stabilized using silk sericin (SS) to create a composite (SS/FT). The therapeutic potential of the SS/FT on ulcerative colitis is extensively investigated, and the results showed that it effectively alleviated the body weight loss and colon length shortening induced by dextran sulfate sodium. Notably, SS/FT downregulated the immune response, decreased colonic histopathological lesions, and reduced the cGAS/STING signal activation. This suggests that SS/FT may offer a promising therapy for treating ulcerative colitis.
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Affiliation(s)
- Chunru Wang
- Department of Pharmacy, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China
| | - Yingjie Xiang
- Department of Pharmacy, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China
| | - Wenjie Ma
- Department of Pharmacy, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China
| | - Chuanlong Guo
- Department of Pharmacy, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China
| | - Xiaochen Wu
- Department of Pharmacy, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China
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Xue JC, Yuan S, Hou XT, Meng H, Liu BH, Cheng WW, Zhao M, Li HB, Guo XF, Di C, Li MJ, Zhang QG. Natural products modulate NLRP3 in ulcerative colitis. Front Pharmacol 2023; 14:1265825. [PMID: 37849728 PMCID: PMC10577194 DOI: 10.3389/fphar.2023.1265825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2023] [Accepted: 09/21/2023] [Indexed: 10/19/2023] Open
Abstract
Ulcerative colitis (UC) is a clinically common, progressive, devastating, chronic inflammatory disease of the intestine that is recurrent and difficult to treat. Nod-like receptor protein 3 (NLRP3) is a protein complex composed of multiple proteins whose formation activates cysteine aspartate protease-1 (caspase-1) to induce the maturation and secretion of inflammatory mediators such as interleukin (IL)-1β and IL-18, promoting the development of inflammatory responses. Recent studies have shown that NLRP3 is associated with UC susceptibility, and that it maintains a stable intestinal environment by responding to a wide range of pathogenic microorganisms. The mainstay of treatment for UC is to control inflammation and relieve symptoms. Despite a certain curative effect, there are problems such as easy recurrence after drug withdrawal and many side effects associated with long-term medication. NLRP3 serves as a core link in the inflammatory response. If the relationship between NLRP3 and gut microbes and inflammation-associated factors can be analyzed concerning its related inflammatory signaling pathways, its expression status as well as specific mechanism in the course of IBD can be elucidated and further considered for clinical diagnosis and treatment of IBD, it is expected that the development of lead compounds targeting the NLRP3 inflammasome can be developed for the treatment of IBD. Research into the prevention and treatment of UC, which has become a hotbed of research in recent years, has shown that natural products are rich in therapeutic means, and multi-targets, with fewer adverse effects. Natural products have shown promise in treating UC in numerous basic and clinical trials over the past few years. This paper describes the regulatory role of the NLRP3 inflammasome in UC and the mechanism of recent natural products targeting NLRP3 against UC, which provides a reference for the clinical treatment of this disease.
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Affiliation(s)
- Jia-Chen Xue
- Department of Nuclear Medicine, Affiliated Zhongshan Hospital of Dalian University, Dalian, Liaoning, China
- Chronic Disease Research Center, Medical College, Dalian University, Dalian, Liaoning, China
- Department of Immunology and Pathogenic Biology, Yanbian University College of Basic Medicine, Yanji, Jilin, China
| | - Shuo Yuan
- Chronic Disease Research Center, Medical College, Dalian University, Dalian, Liaoning, China
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, Jilin, China
| | - Xiao-Ting Hou
- Chronic Disease Research Center, Medical College, Dalian University, Dalian, Liaoning, China
| | - Huan Meng
- Chronic Disease Research Center, Medical College, Dalian University, Dalian, Liaoning, China
| | - Bao-Hong Liu
- Chronic Disease Research Center, Medical College, Dalian University, Dalian, Liaoning, China
| | - Wen-Wen Cheng
- Chronic Disease Research Center, Medical College, Dalian University, Dalian, Liaoning, China
| | - Ming Zhao
- Department of Nuclear Medicine, Affiliated Zhongshan Hospital of Dalian University, Dalian, Liaoning, China
| | - Hong-Ben Li
- Department of Nuclear Medicine, Affiliated Zhongshan Hospital of Dalian University, Dalian, Liaoning, China
| | - Xue-Fen Guo
- Department of Nuclear Medicine, Affiliated Zhongshan Hospital of Dalian University, Dalian, Liaoning, China
| | - Chang Di
- Department of Nuclear Medicine, Affiliated Zhongshan Hospital of Dalian University, Dalian, Liaoning, China
| | - Min-Jie Li
- Department of Nuclear Medicine, Affiliated Zhongshan Hospital of Dalian University, Dalian, Liaoning, China
| | - Qing-Gao Zhang
- Chronic Disease Research Center, Medical College, Dalian University, Dalian, Liaoning, China
- Department of Immunology and Pathogenic Biology, Yanbian University College of Basic Medicine, Yanji, Jilin, China
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6
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Liu J, Song J, Gao F, Chen W, Zong Y, Li J, He Z, Du R. Extraction, Purification, and Structural Characterization of Polysaccharides from Sanghuangporus vaninii with Anti-Inflammatory Activity. Molecules 2023; 28:6081. [PMID: 37630334 PMCID: PMC10459065 DOI: 10.3390/molecules28166081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 08/04/2023] [Accepted: 08/10/2023] [Indexed: 08/27/2023] Open
Abstract
In order to obtain homogeneous Sanghuangporus vaninii polysaccharides with antioxidant and anti-inflammatory activities, a response surface method (RSM) was used to compare the polysaccharide extraction rate of hot water extraction and ultrasonic-assisted extraction from Sanghuangporus vaninii. The optimal conditions for ultrasonic-assisted extraction were determined as follows: an extraction temperature of 60 °C, an extraction time of 60 min, a solid-liquid ratio of 40 g/mL, and an ultrasonic power of 70 W. An SVP (Sanghuangporus vaninii polysaccharides) extraction rate of 1.41% was achieved. Five homogeneous monosaccharides were obtained by gradient ethanol precipitation with diethylaminoethyl-cellulose (DEAE) and SephadexG-100 separation and purification. The five polysaccharides were characterized by high performance liquid chromatography, the ultraviolet spectrum, the Fourier transform infrared spectrum, TG (thermogravimetric analysis), the Zeta potential, and SEM (scanning electron microscopy). The five polysaccharides had certain levels of antioxidant activity in vitro. In addition, we the investigated the anti-inflammatory effects of polysaccharides derived from Sanghuangporus vaninii on lipopolysaccharide (LPS)-induced RAW 264.7 cells and Kupffer cells. Further, we found that SVP-60 significantly inhibited the levels of pro-inflammatory cytokines, such as interleukin (IL)-1β, IL-6, and tumor necrosis factor (TNF)-α in lipopolysaccharide (LPS)-induced RAW 264.7 cells and promoted the level of the anti-inflammatory cytokine IL-10 in lipopolysaccharide (LPS)-induced RAW 264.7 cells. Our study provides theoretical support for the potential application of Sanghuangporus vaninii in the field of antioxidant and anti-inflammatory activities in vitro.
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Affiliation(s)
- Jinze Liu
- College of Traditional Chinese Medicine, Jilin Agricultural University, Changchun 130118, China; (J.L.); (J.S.); (F.G.); (W.C.); (Y.Z.); (J.L.)
| | - Jinyue Song
- College of Traditional Chinese Medicine, Jilin Agricultural University, Changchun 130118, China; (J.L.); (J.S.); (F.G.); (W.C.); (Y.Z.); (J.L.)
| | - Fusheng Gao
- College of Traditional Chinese Medicine, Jilin Agricultural University, Changchun 130118, China; (J.L.); (J.S.); (F.G.); (W.C.); (Y.Z.); (J.L.)
| | - Weijia Chen
- College of Traditional Chinese Medicine, Jilin Agricultural University, Changchun 130118, China; (J.L.); (J.S.); (F.G.); (W.C.); (Y.Z.); (J.L.)
| | - Ying Zong
- College of Traditional Chinese Medicine, Jilin Agricultural University, Changchun 130118, China; (J.L.); (J.S.); (F.G.); (W.C.); (Y.Z.); (J.L.)
| | - Jianming Li
- College of Traditional Chinese Medicine, Jilin Agricultural University, Changchun 130118, China; (J.L.); (J.S.); (F.G.); (W.C.); (Y.Z.); (J.L.)
| | - Zhongmei He
- College of Traditional Chinese Medicine, Jilin Agricultural University, Changchun 130118, China; (J.L.); (J.S.); (F.G.); (W.C.); (Y.Z.); (J.L.)
- Engineering Research Center for High Efficiency Breeding and Product Development Technology of Sika Deer, Changchun 130118, China
| | - Rui Du
- College of Traditional Chinese Medicine, Jilin Agricultural University, Changchun 130118, China; (J.L.); (J.S.); (F.G.); (W.C.); (Y.Z.); (J.L.)
- Engineering Research Center for High Efficiency Breeding and Product Development Technology of Sika Deer, Changchun 130118, China
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7
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Ning K, Duan Y, Tong W, Chen Y, Zhang Q, Xie Q, Xiang H. Protective Effects of Different Molecular Weights of Purslane ( Portulaca oleracea L.) Aqueous Extract on DSS-Induced Ulcerative Colitis in Mice. Antioxidants (Basel) 2023; 12:1400. [PMID: 37507939 PMCID: PMC10376347 DOI: 10.3390/antiox12071400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 06/29/2023] [Accepted: 07/06/2023] [Indexed: 07/30/2023] Open
Abstract
Purslane, a common wild vegetable, contains active substances with various biological functions. However, its effects have been under-investigated in ulcerative colitis (UC). Therefore, this study investigated the therapeutic effects of purslane macromolecular (POEM) and small molecular extracts (POES) on dextran sulfate sodium (DSS)-induced UC in mice. Membrane separation was used to obtain extracts of different molecular weights, and their compositional differences were compared using liquid chromatography-mass spectrometry (LC/MS). POEM contained more proteins and polysaccharides, whereas POES contained more organic acids and alkaloids. These differences in composition were directly responsible for the different degrees of remission of the alleviated UC in model mice. POEM may alleviate UC by regulating the antioxidant capacity and the gut microbiota, whereas the major alleviatory effect of POES was primarily related to the regulation of antioxidant capacity. The POEM and POES effects identified in this study provide a theoretical basis for the development of purslane as a functional food.
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Affiliation(s)
- Ke Ning
- Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education, School of Life Sciences, Jilin University, Changchun 130012, China
| | - Yameng Duan
- Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education, School of Life Sciences, Jilin University, Changchun 130012, China
| | - Weiwei Tong
- Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education, School of Life Sciences, Jilin University, Changchun 130012, China
| | - Yue Chen
- Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education, School of Life Sciences, Jilin University, Changchun 130012, China
| | - Qinghui Zhang
- Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education, School of Life Sciences, Jilin University, Changchun 130012, China
| | - Qiuhong Xie
- Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education, School of Life Sciences, Jilin University, Changchun 130012, China
- Institute of Changbai Mountain Resource and Health, Jilin University, Fusong 134504, China
| | - Hongyu Xiang
- Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education, School of Life Sciences, Jilin University, Changchun 130012, China
- Institute of Changbai Mountain Resource and Health, Jilin University, Fusong 134504, China
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8
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Guo Y, Cao Q, Guo M, Wang J, Kou R, Ye L. Comparative study of the Rheum tanguticum's chemical contents based on spatial distribution characteristics. PLoS One 2022; 17:e0278113. [PMID: 36445877 PMCID: PMC9707769 DOI: 10.1371/journal.pone.0278113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 11/10/2022] [Indexed: 12/03/2022] Open
Abstract
Rheum tanguticum (R. tanguticum) has been widely used for the treatment of inflammatory diseases in clinical. However, limited research exist on the quality evaluation of various R. tanguticum locations, which has certain drawbacks. In this study, Fourier-transform infrared spectroscopy (FTIR) and high-performance liquid chromatography (HPLC) were used to comparative study on the chemical contents of R. tanguticum, to clarify the relationship between the chemical contents and the spatial distribution of R. tanguticum. First of all, the FTIR spectra of 18 batches of R. tanguticum were examined. Following the cluster analysis, the FTIR spectra of various production locations differed. To some extent, establishing the double index analysis sequence of common and variation peaks may differentiate distinct production locations of medicinal materials. The HPLC fingerprint of R. tanguticum was constructed to further explore the link between components and their origin. PCA of common peaks of 18 batches of R. tanguticum indicated that R. tanguticum grown in Gannan and Qinghai had a tendency to separate t[2], however this trend was not noticeable. Then, OPLS-DA model was established, and the key differential components of R. tanguticum produced in Gannan and Qinghai were discovered to be R16, R37, R46, and R47 (Aloe emodin) (VIP ≥ 1 and P < 0.05). At last, Pearson's test was used to examine the relationship between longitude, latitude, altitude, and composition. Longitude was significantly positively correlated with R28 and R30 (P < 0.05), and a very significantly positively correlated with R35, R36, R37, R46, and R47 (P < 0.01). Latitude was significantly negatively correlated with R34, R35, and R40 (P < 0.05), and extremely significantly negatively correlated with R28, R30, R36, R37, R46, and R47 (P < 0.01). Altitude was significantly positive correlation with R36 and R37 (P < 0.01). The results of our study can provide insights into R. tanguticum quality control and aid in establishing a natural medication traceability system.
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Affiliation(s)
- Yafei Guo
- College of Pharmacy, Gansu University of Chinese Medicine, Lanzhou, China
| | - Qiang Cao
- College of Pharmacy, Gansu University of Chinese Medicine, Lanzhou, China
| | - Mei Guo
- College of Pharmacy, Gansu University of Chinese Medicine, Lanzhou, China
- Key Laboratory for Chemistry and Quality of Traditional Chinese Medicine & Tibetan Medicine of Gansu Provincial Colleges, Lanzhou, China
- * E-mail:
| | - Junmei Wang
- College of Pharmacy, Gansu University of Chinese Medicine, Lanzhou, China
| | - Renbo Kou
- College of Pharmacy, Gansu University of Chinese Medicine, Lanzhou, China
| | - Leilei Ye
- College of Pharmacy, Gansu University of Chinese Medicine, Lanzhou, China
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9
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Research Progress on the Therapeutic Effect of Polysaccharides on Non-Alcoholic Fatty Liver Disease through the Regulation of the Gut–Liver Axis. Int J Mol Sci 2022; 23:ijms231911710. [PMID: 36233011 PMCID: PMC9570256 DOI: 10.3390/ijms231911710] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 09/26/2022] [Accepted: 09/28/2022] [Indexed: 11/22/2022] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is the most common chronic liver disease affecting global public health at present, which can induce cirrhosis and liver cancer in serious cases. However, NAFLD is a multifactorial disease, and there is still a lack of research on its mechanism and therapeutic strategy. With the development of the gut–liver axis theory, the association between the gut–liver axis and the pathogenesis of NAFLD has been gradually disclosed. Polysaccharides, as a kind of natural product, have the advantages of low toxicity, multi-target and multi-pathway action. It has been reported that polysaccharides can affect the gut–liver axis at multiple interrelated levels, such as maintaining the ecological balance of gut microbiota (GM), regulating the metabolites of GM and improving the intestinal barrier function, which thereby plays a protective role in NAFLD. These studies have great scientific significance in understanding NAFLD based on the gut–liver axis and developing safe and effective medical treatments. Herein, we reviewed the recent progress of polysaccharides in improving nonalcoholic fatty liver disease (NAFLD) through the gut–liver axis.
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Jellyfish Polysaccharides for Wound Healing Applications. Int J Mol Sci 2022; 23:ijms231911491. [PMID: 36232791 PMCID: PMC9569628 DOI: 10.3390/ijms231911491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Revised: 09/24/2022] [Accepted: 09/26/2022] [Indexed: 11/16/2022] Open
Abstract
Jellyfishes are considered a new potential resource in food, pharmaceutical and biomedical industries. In these latter cases, they are studied as source of active principles but are also exploited to produce marine collagen. In the present work, jellyfish skin polysaccharides (JSP) with glycosaminoglycan (GAG) features were extracted from Rhizostoma pulmo, a main blooming species of Mediterranean Sea, massively augmented by climate leaded “jellyfishication” of the sea. Two main fractions of R. pulmo JSP (RP-JSPs) were isolated and characterized, namely a neutral fraction (RP-JSP1) and a sulphate rich, negatively charged fraction (RP-JSP2). The two fractions have average molecular weights of 121 kDa and 590 kDa, respectively. Their sugar composition was evaluated through LC-MS analysis and the result confirmed the presence of typical GAG saccharides, such as glucose, galactose, glucosamine and galactosamine. Their use as promoters of wound healing was evaluated through in vitro scratch assay on murine fibroblast cell line (BALB/3T3 clone A31) and human keratinocytes (HaCaT). Both RP-JSPs demonstrated an effective confluency rate activity leading to 80% of scratch repair in two days, promoting both cell migration and proliferation. Additionally, RP-JSPs exerted a substantial protection from oxidative stress, resulting in improved viability of treated fibroblasts exposed to H2O2. The isolated GAG-like polysaccharides appear promising as functional component for biomedical skin treatments, as well as for future exploitation as pharmaceutical excipients.
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