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Ullah Z, Yue P, Mao G, Zhang M, Liu P, Wu X, Zhao T, Yang L. A comprehensive review on recent xanthine oxidase inhibitors of dietary based bioactive substances for the treatment of hyperuricemia and gout: Molecular mechanisms and perspective. Int J Biol Macromol 2024; 278:134832. [PMID: 39168219 DOI: 10.1016/j.ijbiomac.2024.134832] [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: 07/11/2024] [Revised: 08/14/2024] [Accepted: 08/15/2024] [Indexed: 08/23/2024]
Abstract
Hyperuricemia (HUA) has attained a considerable global health concern, related to the development of other metabolic syndromes. Xanthine oxidase (XO), the main enzyme that catalyzes xanthine and hypoxanthine into uric acid (UA), is a key target for drug development against HUA and gout. Available XO inhibitors are effective, but they come with side effects. Recent, research has identified new XO inhibitors from dietary sources such as flavonoids, phenolic acids, stilbenes, alkaloids, polysaccharides, and polypeptides, effectively reducing UA levels. Structural activity studies revealed that -OH groups and their substitutions on the benzene ring of flavonoids, polyphenols, and stilbenes, cyclic rings in alkaloids, and the helical structure of polysaccharides are crucial for XO inhibition. Polypeptide molecular weight, amino acid sequence, hydrophobicity, and binding mode, also play a significant role in XO inhibition. Molecular docking studies show these bioactive components prevent UA formation by interacting with XO substrates via hydrophobic, hydrogen bonds, and π-π interactions. This review explores the potential bioactive substances from dietary resources with XO inhibitory, and UA lowering potentials detailing the molecular mechanisms involved. It also discusses strategies for designing XO inhibitors and assisting pharmaceutical companies in developing safe and effective treatments for HUA and gout.
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Affiliation(s)
- Zain Ullah
- School of Chemistry and Chemical Engineering, Jiangsu University, Xuefu Road 301, Zhenjiang 212013, China
| | - Panpan Yue
- School of Chemistry and Chemical Engineering, Jiangsu University, Xuefu Road 301, Zhenjiang 212013, China
| | - Guanghua Mao
- School of the Environment and Safety Engineering, Jiangsu University, Xuefu Rd. 301, Zhenjiang 212013, Jiangsu, China
| | - Min Zhang
- School of Chemistry and Chemical Engineering, Jiangsu University, Xuefu Road 301, Zhenjiang 212013, China
| | - Peng Liu
- School of Chemistry and Chemical Engineering, Jiangsu University, Xuefu Road 301, Zhenjiang 212013, China
| | - Xiangyang Wu
- School of the Environment and Safety Engineering, Jiangsu University, Xuefu Rd. 301, Zhenjiang 212013, Jiangsu, China
| | - Ting Zhao
- School of Chemistry and Chemical Engineering, Jiangsu University, Xuefu Road 301, Zhenjiang 212013, China.
| | - Liuqing Yang
- School of Chemistry and Chemical Engineering, Jiangsu University, Xuefu Road 301, Zhenjiang 212013, China.
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Wang H, Zhou X, Liu Y, Xie W, Yang D, Huo D, Guo Q, Wang R. Identification and molecular docking of xanthine oxidase and α-glucosidase inhibitors in Opuntia ficus-indica fruit. J Food Sci 2024; 89:4192-4204. [PMID: 38829742 DOI: 10.1111/1750-3841.17144] [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: 02/07/2024] [Revised: 04/10/2024] [Accepted: 05/13/2024] [Indexed: 06/05/2024]
Abstract
Opuntia ficus-indica fruit (OFI) is rich in bioactive compounds, which can promote human health. In this work, the purified OFI extract was prepared from OFI and its bioactivities were investigated. Xanthine oxidase (XOD) and α-glucosidase (α-Glu) inhibitors of the purified OFI extract were screened and identified by bio-affinity ultrafiltration combined with UPLC-QTRAP-MS/MS technology. The inhibitory effect of these inhibitors on enzymes were verified, and the potential mechanism of action and binding sites of inhibitors with enzymes were revealed based on molecular docking. The results showed that the total phenolic content of the purified OFI extract was 355.03 mg GAE/g DW, which had excellent antioxidant activity. Additionally, the extract had a certain inhibitory effect on XOD (IC50 = 199.00 ± 0.14 µg/mL) and α-Glu (IC50 = 159.67 ± 0.01 µg/mL). Seven XOD inhibitors and eight α-Glu inhibitors were identified. Furthermore, XOD and α-Glu inhibition experiments in vitro confirmed that inhibitors such as chlorogenic acid, taxifolin, and naringenin had significant inhibitory effects on XOD and α-Glu. The molecular docking results indicated that inhibitors could bind to the corresponding enzymes and had strong binding force. These findings demonstrate that OFI contains potential substances for the treatment of hyperuricemia and hyperglycemia.
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Affiliation(s)
- Huixian Wang
- School of Food Science and Engineering, Key Laboratory of Food Nutrition and Functional Food of Hainan Province, Hainan University, Haikou, China
| | - Xiaolu Zhou
- School of Food Science and Engineering, Key Laboratory of Food Nutrition and Functional Food of Hainan Province, Hainan University, Haikou, China
- Collaborative Innovation Center of One Health, Hainan University, Haikou, China
| | - Yixuan Liu
- School of Food Science and Engineering, Key Laboratory of Food Nutrition and Functional Food of Hainan Province, Hainan University, Haikou, China
| | - Wenxuan Xie
- School of Food Science and Engineering, Key Laboratory of Food Nutrition and Functional Food of Hainan Province, Hainan University, Haikou, China
| | - Derui Yang
- School of Food Science and Engineering, Key Laboratory of Food Nutrition and Functional Food of Hainan Province, Hainan University, Haikou, China
| | - Dongxue Huo
- School of Food Science and Engineering, Key Laboratory of Food Nutrition and Functional Food of Hainan Province, Hainan University, Haikou, China
- Collaborative Innovation Center of One Health, Hainan University, Haikou, China
| | - Quan Guo
- School of Food Science and Engineering, Key Laboratory of Food Nutrition and Functional Food of Hainan Province, Hainan University, Haikou, China
- Collaborative Innovation Center of One Health, Hainan University, Haikou, China
| | - Ruimin Wang
- School of Food Science and Engineering, Key Laboratory of Food Nutrition and Functional Food of Hainan Province, Hainan University, Haikou, China
- Collaborative Innovation Center of One Health, Hainan University, Haikou, China
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Cao X, Li G, Xie J, Wu M, Wang W, Xiao L, Qian Z. Screening Antioxidant Components in Different Parts of Dandelion Using Online Gradient Pressure Liquid Extraction Coupled with High-Performance Liquid Chromatography Antioxidant Analysis System and Molecular Simulations. Molecules 2024; 29:2315. [PMID: 38792176 PMCID: PMC11124315 DOI: 10.3390/molecules29102315] [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: 03/30/2024] [Revised: 05/08/2024] [Accepted: 05/09/2024] [Indexed: 05/26/2024] Open
Abstract
Utilizing online gradient pressure liquid extraction (OGPLE) coupled with a high-performance liquid chromatography antioxidant analysis system, we examined the antioxidative active components present in both the aerial parts and roots of dandelion. By optimizing the chromatographic conditions, we identified the ferric reducing-antioxidant power system as the most suitable for online antioxidant reactions in dandelion. Compared to offline ultrasonic extraction, the OGPLE method demonstrated superior efficiency in extracting chemical components with varying polarities from the samples. Liquid chromatography-mass spectrometry revealed twelve compounds within the dandelion samples, with nine demonstrating considerable antioxidant efficacy. Of these, the aerial parts and roots of dandelion contained nine and four antioxidant constituents, respectively. Additionally, molecular docking studies were carried out to investigate the interaction between these nine antioxidants and four proteins associated with oxidative stress (glutathione peroxidase, inducible nitric oxide synthase, superoxide dismutase, and xanthine oxidase). The nine antioxidant compounds displayed notable binding affinities below -5.0 kcal/mol with the selected proteins, suggesting potential receptor-ligand interactions. These findings contribute to enhancing our understanding of dandelion and provide a comprehensive methodology for screening the natural antioxidant components from herbs.
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Affiliation(s)
- Xia Cao
- College of Medical Imaging Laboratory and Rehabilitation, Xiangnan University, Chenzhou 423000, China; (X.C.); (G.L.); (J.X.)
| | - Gaoquan Li
- College of Medical Imaging Laboratory and Rehabilitation, Xiangnan University, Chenzhou 423000, China; (X.C.); (G.L.); (J.X.)
| | - Juying Xie
- College of Medical Imaging Laboratory and Rehabilitation, Xiangnan University, Chenzhou 423000, China; (X.C.); (G.L.); (J.X.)
| | - Mengqi Wu
- Key Laboratory of State Administration of Traditional Chinese Medicine, Dongguan HEC Cordyceps R&D Co., Ltd., Dongguan 523850, China
| | - Wenhao Wang
- Key Laboratory of State Administration of Traditional Chinese Medicine, Dongguan HEC Cordyceps R&D Co., Ltd., Dongguan 523850, China
| | - Li Xiao
- College of Medical Imaging Laboratory and Rehabilitation, Xiangnan University, Chenzhou 423000, China; (X.C.); (G.L.); (J.X.)
| | - Zhengming Qian
- College of Medical Imaging Laboratory and Rehabilitation, Xiangnan University, Chenzhou 423000, China; (X.C.); (G.L.); (J.X.)
- Key Laboratory of State Administration of Traditional Chinese Medicine, Dongguan HEC Cordyceps R&D Co., Ltd., Dongguan 523850, China
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Zhang S, Wang X, Wang X, Fan X, Liu K, Sa Y, Wilson G, Ma X, Chen G. Establishment and application of a screening method for α-glucosidase inhibitors based on dual sensing and affinity chromatography. J Chromatogr A 2024; 1720:464822. [PMID: 38502989 DOI: 10.1016/j.chroma.2024.464822] [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: 11/22/2023] [Revised: 03/09/2024] [Accepted: 03/14/2024] [Indexed: 03/21/2024]
Abstract
α-Glucosidase plays a direct role in the metabolic pathways of starch and glycogen, any dysfunction in its activity could result in metabolic disease. Concurrently, this enzyme serves as a target for diverse drugs and inhibitors, contributing to the regulation of glucose metabolism in the human body. Here, an integrated analytical method was established to screen inhibitors of α-glucosidase. This step-by-step screening model was accomplished through the biosensing and affinity chromatography techniques. The newly proposed sensing program had a good linear relationship within the enzyme activity range of 0.25 U mL-1 to 1.25 U mL-1, which can quickly identify active ingredients in complex samples. Then the potential active ingredients can be captured, separated, and identified by an affinity chromatography model. The combination of the two parts was achieved by an immobilized enzyme technology and a microdevice for reaction, and the combination not only ensured efficiency and accuracy for inhibitor screening but also eliminated the occurrence of false positive results in the past. The emodin, with a notable inhibitory effect on α-glucosidase, was successfully screened from five traditional Chinese medicines using this method. The molecular docking results also demonstrated that emodin was well embedded into the active pocket of α-glucosidase. In summary, the strategy provided an efficient method for developing new enzyme inhibitors from natural products.
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Affiliation(s)
- Shuxian Zhang
- Department of Pharmaceutical Analysis, School of Pharmacy, Key Laboratory of Ningxia Ethnomedicine Modernization, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China
| | - Xiaoying Wang
- Department of Pharmaceutical Analysis, School of Pharmacy, Key Laboratory of Ningxia Ethnomedicine Modernization, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China
| | - Xiaofei Wang
- Department of Pharmaceutical Analysis, School of Pharmacy, Key Laboratory of Ningxia Ethnomedicine Modernization, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China
| | - Xiaoxuan Fan
- Department of Pharmaceutical Analysis, School of Pharmacy, Key Laboratory of Ningxia Ethnomedicine Modernization, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China
| | - Keshuai Liu
- Department of Pharmaceutical Analysis, School of Pharmacy, Key Laboratory of Ningxia Ethnomedicine Modernization, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China
| | - Yuping Sa
- Department of Pharmaceutical Analysis, School of Pharmacy, Key Laboratory of Ningxia Ethnomedicine Modernization, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China
| | - Gidion Wilson
- Department of Pharmaceutical Analysis, School of Pharmacy, Key Laboratory of Ningxia Ethnomedicine Modernization, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China
| | - Xueqin Ma
- Department of Pharmaceutical Analysis, School of Pharmacy, Key Laboratory of Ningxia Ethnomedicine Modernization, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China.
| | - Guoning Chen
- Department of Pharmaceutical Analysis, School of Pharmacy, Key Laboratory of Ningxia Ethnomedicine Modernization, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China.
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Du R, Ye L, Chen X, Meng Y, Zhou L, Chen Q, Zheng G, Hu J, Shi Z. Screening of Key Components for Melanogenesis Inhibition of Polygonum cuspidatum Extract Based on the Spectrum-Effect Relationship and Molecular Docking. Molecules 2024; 29:857. [PMID: 38398609 PMCID: PMC10891599 DOI: 10.3390/molecules29040857] [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: 12/05/2023] [Revised: 01/04/2024] [Accepted: 01/15/2024] [Indexed: 02/25/2024] Open
Abstract
Polygonum cuspidatum (PC) extract has been listed in the "Catalog of Used Cosmetic Ingredients (2021 Edition)", which can inhibit melanogenesis, thus exerting a whitening effect, and has been widely used in cosmetics. However, there are currently no quality standards for PC extract used in cosmetics, and the bioactive components associated with anti-melanogenesis remain unclear. In view of this, the present study was the first to investigate the spectrum-effect relationship between fingerprints of PC extract and melanogenesis inhibition. Ten batches of PC extract fingerprints were established by HPLC. Pearson's correlation analysis, gray correlation analysis (GRA) and orthogonal partial least squares regression analysis (OPLSR) were used to screen out resveratrol, emodin and physcion as the main whitening active ingredients using the inhibition of tyrosinase in B16F10 cells as the pharmacological index. Then, the melanogenesis inhibitory effects of the above three components were verified by tyrosinase inhibition and a melanin content assay in B16F10 cells. The interaction between small molecules and proteins was investigated by the molecular docking method, and it was confirmed by quantitative real-time PCR (qRT-PCR) that resveratrol, emodin and physcion significantly down-regulated the transcript levels of melanogenesis-related factors. In conclusion, this study established a general model combining HPLC fingerprinting and melanogenesis inhibition and also analyzed the spectrum-effect relationship of PC extract, which provided theoretical support for the quality control of PC extract in whitening cosmetics.
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Affiliation(s)
- Ruojun Du
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, China; (R.D.); (X.C.); (Y.M.); (L.Z.); (Q.C.)
| | - Lichun Ye
- Clinical College of Chinese Medicine, Hubei University of Traditional Chinese Medicine, Wuhan 430065, China;
| | - Xinyan Chen
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, China; (R.D.); (X.C.); (Y.M.); (L.Z.); (Q.C.)
| | - Yan Meng
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, China; (R.D.); (X.C.); (Y.M.); (L.Z.); (Q.C.)
| | - Lei Zhou
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, China; (R.D.); (X.C.); (Y.M.); (L.Z.); (Q.C.)
| | - Qiao Chen
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, China; (R.D.); (X.C.); (Y.M.); (L.Z.); (Q.C.)
| | - Guohua Zheng
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, China; (R.D.); (X.C.); (Y.M.); (L.Z.); (Q.C.)
| | - Junjie Hu
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, China; (R.D.); (X.C.); (Y.M.); (L.Z.); (Q.C.)
| | - Zhaohua Shi
- Key Laboratory of Resources and Compound of Traditional Chinese Medicine, Ministry of Education, Hubei University of Traditional Chinese Medicine, Wuhan 430065, China
- Hubei Shizhen Laboratory, Wuhan 430065, China
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Liu Q, Zhuang S, Li S, Nong Y, Zhang Y, Liang J, Zhang Y, Liu C. Rapid screening, isolation, and activity evaluation of potential xanthine oxidase inhibitors in Polyporus umbellatus and mechanism of action in the treatment of gout. PHYTOCHEMICAL ANALYSIS : PCA 2024; 35:116-134. [PMID: 37798938 DOI: 10.1002/pca.3279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Accepted: 08/16/2023] [Indexed: 10/07/2023]
Abstract
INTRODUCTION Studies show that Polyporus umbellatus has some pharmacological effects in enhancing immunity and against gout. OBJECTIVES We aimed to establish new techniques for extraction, biological activity screening, and preparation of xanthine oxidase inhibitors (XODIs) from P. umbellatus. METHODS First, the extraction of P. umbellatus was investigated using the back propagation (BP) neural network genetic algorithm mathematical regression model, and the extraction variables were optimised to maximise P. umbellatus yield. Second, XODIs were rapidly screened using ultrafiltration, and the change of XOD activity was tested by enzymatic reaction kinetics experiment to reflect the inhibitory effect of active compounds on XOD. Meanwhile, the potential anti-gout effects of the obtained active substances were verified using molecular docking, molecular dynamics simulations, and network pharmacology analysis. Finally, with activity screening as guide, a high-speed countercurrent chromatography (HSCCC) method combined with consecutive injection and two-phase solvent system preparation using the UNIFAC mathematical model was successfully developed for separation and purification of XODIs, and the XODIs were identified using MS and NMR. RESULTS The results verified that polyporusterone A, polyporusterone B, ergosta-4,6,8(14),22-tetraen-3-one, and ergosta-7,22-dien-3-one of P. umbellatus exhibited high biological affinity towards XOD. Their structures have been further identified by NMR, indicating that the method is effective and applicable for rapid screening and identification of XODIs. CONCLUSION This study provides new ideas for the search for natural XODIs active ingredients, and the study provide valuable support for the further development of functional foods with potential therapeutic benefits.
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Affiliation(s)
- Qiang Liu
- Central Laboratory, Changchun Normal University, Changchun, China
| | - Siyuan Zhuang
- Central Laboratory, Changchun Normal University, Changchun, China
| | - Sainan Li
- Central Laboratory, Changchun Normal University, Changchun, China
| | - Yuyu Nong
- Central Laboratory, Changchun Normal University, Changchun, China
| | - Yutong Zhang
- Central Laboratory, Changchun Normal University, Changchun, China
| | - Jiaqi Liang
- Central Laboratory, Changchun Normal University, Changchun, China
| | - Yuchi Zhang
- Central Laboratory, Changchun Normal University, Changchun, China
| | - Chunming Liu
- Central Laboratory, Changchun Normal University, Changchun, China
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