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Deng W, Chen F, Zhao Y, Zhou M, Guo M. Anti-hepatitis B virus activities of natural products and their antiviral mechanisms. Chin J Nat Med 2023; 21:803-811. [PMID: 38035936 DOI: 10.1016/s1875-5364(23)60505-9] [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: 04/12/2023] [Indexed: 12/02/2023]
Abstract
Chronic hepatitis B (CHB) infections caused by the hepatitis B virus (HBV) continue to pose a significant global public health challenge. Currently, the approved treatments for CHB are limited to interferon and nucleos(t)ide analogs, both of which have their limitations, and achieving a complete cure remains an elusive goal. Therefore, the identification of new therapeutic targets and the development of novel antiviral strategies are of utmost importance. Natural products (NPs) constitute a class of substances known for their diverse chemical structures, wide-ranging biological activities, and low toxicity profiles. They have shown promise as potential candidates for combating various diseases, with a substantial number demonstrating anti-HBV properties. This comprehensive review focuses on the current applications of NPs in the fight against HBV and provides a summary of their antiviral mechanisms, considering their impact on the viral life cycle and host hepatocytes. By offering insights into the world of anti-HBV NPs, this review aims to furnish valuable information to support the future development of antiviral drugs.
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Affiliation(s)
- Wanyu Deng
- College of Life Science, Shangrao Normal University, Shangrao 334001, China
| | - Fu Chen
- College of Life Science, Shangrao Normal University, Shangrao 334001, China
| | - Yue Zhao
- State Key Laboratory of Natural Medicines, School of Life Science&Technology, China Pharmaceutical University, Nanjing 211198, China
| | - Ming Zhou
- BGI-Shenzhen, Shenzhen 518000, China; Shenzhen Institute of Synthetic Biology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518110, China; Liver-biotechnology (Shenzhen) Co., Ltd., Shenzhen 518110, China.
| | - Min Guo
- State Key Laboratory of Natural Medicines, School of Life Science&Technology, China Pharmaceutical University, Nanjing 211198, China.
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Zhou X, Li Y, Li T, Cao J, Guan Z, Xu T, Jia G, Ma G, Zhao R. Portulaca oleracea L. Polysaccharide Inhibits Porcine Rotavirus In Vitro. Animals (Basel) 2023; 13:2306. [PMID: 37508085 PMCID: PMC10376577 DOI: 10.3390/ani13142306] [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: 05/03/2023] [Revised: 06/07/2023] [Accepted: 07/06/2023] [Indexed: 07/30/2023] Open
Abstract
Diarrhea is one of the most common causes of death in young piglets. Porcine rotavirus (PoRV) belongs to the genus Rotavirus within the family Reoviridae, and is considered to be the primary pathogen causing diarrhea in piglets. Portulaca oleracea L. (POL) has been reported to alleviate diarrhea and viral infections. However, the antiviral effect of Portulaca oleracea L. polysaccharide (POL-P), an active component of POL, on PoRV infection remains unclear. This study demonstrated that the safe concentration range of POL-P in IPEC-J2 cells is 0-400 μg/mL. POL-P (400 μg/mL) effectively inhibits PoRV infection in IPEC-J2 cells, reducing the expression of rotavirus VP6 protein, mRNA and virus titer. Furthermore, on the basis of viral life cycle analysis, we showed that POL-P can decrease the expression of PoRV VP6 protein, mRNA, and virus titer during the internalization and replication stages of PoRV. POL-P exerts antiviral effects by increasing IFN-α expression and decreasing the expression levels of TNF-α, IL-6, and IL-10 inflammatory factors. Overall, our study found that POL-P is a promising candidate for anti-PoRV drugs.
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Affiliation(s)
- Xiechen Zhou
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Yan Li
- College of Life Science and Biotechnology, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Tao Li
- College of Life Science and Biotechnology, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Junyang Cao
- College of Life Science and Biotechnology, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Zijian Guan
- College of Life Science and Biotechnology, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Tianlong Xu
- College of Life Science and Biotechnology, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Guiyan Jia
- College of Life Science and Biotechnology, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Gaopeng Ma
- College of Life Science and Biotechnology, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Rui Zhao
- College of Life Science and Biotechnology, Heilongjiang Bayi Agricultural University, Daqing 163319, China
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Wang W, Tan J, Nima L, Sang Y, Cai X, Xue H. Polysaccharides from fungi: A review on their extraction, purification, structural features, and biological activities. Food Chem X 2022; 15:100414. [PMID: 36211789 PMCID: PMC9532758 DOI: 10.1016/j.fochx.2022.100414] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Revised: 07/11/2022] [Accepted: 08/04/2022] [Indexed: 11/11/2022] Open
Abstract
A variety of extraction methods of polysaccharides from fungi are reviewed and compared. Purification methods, structure of fungal polysaccharides were reviewed. Diverse biological activities of fungal polysaccharides were outlined. Structure-activity relationships of fungal polysaccharides were discussed.
Fungi, as the unique natural resource, are rich in polysaccharides, proteins, fats, vitamins, and other components. Therefore, they have good medical and nutritional values. Polysaccharides are considered one of the most important bioactive components in fungi. Increasing researches have confirmed that fungal polysaccharides have various biological activities, such as antioxidant, immunomodulatory, anti-tumor, hepatoprotective, anti-aging, anti-inflammatory, and radioprotective activities. Consequently, the research progresses and future prospects of fungal polysaccharides must be systematically reviewed to promote their better understanding. This paper reviewed the extraction, purification, structure, biological activity, and underlying molecular mechanisms of fungal polysaccharides. Moreover, the structure–activity relationships of fungal polysaccharides were emphasized and discussed. This review can provide scientific basis for the research and industrial utilization of fungal polysaccharides.
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Wei Q, Fu G, Wang K, Yang Q, Zhao J, Wang Y, Ji K, Song S. Advances in Research on Antiviral Activities of Sulfated Polysaccharides from Seaweeds. Pharmaceuticals (Basel) 2022; 15:ph15050581. [PMID: 35631407 PMCID: PMC9147703 DOI: 10.3390/ph15050581] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 04/21/2022] [Accepted: 04/29/2022] [Indexed: 02/06/2023] Open
Abstract
In recent years, various viral diseases have suddenly erupted, resulting in widespread infection and death. A variety of biological activities from marine natural products have gradually attracted the attention of people. Seaweeds have a wide range of sources, huge output, and high economic benefits. This is very promising in the pharmaceutical industry. In particular, sulfated polysaccharides derived from seaweeds, considered a potential source of bioactive compounds for drug development, have shown antiviral activity against a broad spectrum of viruses, mainly including common DNA viruses and RNA viruses. In addition, sulfated polysaccharides can also improve the body’s immunity. This review focuses on recent advances in antiviral research on the sulfated polysaccharides from seaweeds, including carrageenan, galactan, fucoidan, alginate, ulvan, p-KG03, naviculan, and calcium spirulan. We hope that this review will provide new ideas for the development of COVID-19 therapeutics and vaccines.
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Affiliation(s)
- Qiang Wei
- Marine College, Shandong University, Weihai 264209, China; (Q.W.); (K.W.); (Q.Y.); (J.Z.); (Y.W.)
| | - Guoqiang Fu
- Weihaiwei People’s Hospital, Weihai 264200, China;
| | - Ke Wang
- Marine College, Shandong University, Weihai 264209, China; (Q.W.); (K.W.); (Q.Y.); (J.Z.); (Y.W.)
| | - Qiong Yang
- Marine College, Shandong University, Weihai 264209, China; (Q.W.); (K.W.); (Q.Y.); (J.Z.); (Y.W.)
| | - Jiarui Zhao
- Marine College, Shandong University, Weihai 264209, China; (Q.W.); (K.W.); (Q.Y.); (J.Z.); (Y.W.)
| | - Yuan Wang
- Marine College, Shandong University, Weihai 264209, China; (Q.W.); (K.W.); (Q.Y.); (J.Z.); (Y.W.)
| | - Kai Ji
- Department of Plastic Surgery, China-Japan Friendship Hospital, Beijing 100029, China
- Correspondence: (K.J.); (S.S.)
| | - Shuliang Song
- Marine College, Shandong University, Weihai 264209, China; (Q.W.); (K.W.); (Q.Y.); (J.Z.); (Y.W.)
- Correspondence: (K.J.); (S.S.)
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Wu ST, Wang YX, Yu BH, Ma CL, Qiu HQ, Wang GS. Phenylpropanoids from Brachybotrys paridiformis Maxim. ex Oliv. and their anti-HBV activities. PHYTOCHEMISTRY 2022; 197:113114. [PMID: 35149306 DOI: 10.1016/j.phytochem.2022.113114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 01/25/2022] [Accepted: 01/28/2022] [Indexed: 06/14/2023]
Abstract
Using chemical and spectroscopic data, this study on Brachybotrys paridiformis Maxim. ex Oliv. identified four undescribed phenylpropanoids, brachin A-C and brachoside A, together with nine other known compounds. The isolated compounds were tested for anti-hepatitis B virus activities in the HepG2.2.15 cell line. Among them, caffeic anhydride showed the most potent activity.
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Affiliation(s)
- Si-Tong Wu
- School of Pharmaceutical Sciences, Jilin University, Changchun, 130021, People's Republic of China
| | - Yi-Xiao Wang
- School of Pharmaceutical Sciences, Jilin University, Changchun, 130021, People's Republic of China
| | - Bai-Hong Yu
- School of Pharmaceutical Sciences, Jilin University, Changchun, 130021, People's Republic of China
| | - Chun-Liu Ma
- School of Pharmaceutical Sciences, Jilin University, Changchun, 130021, People's Republic of China
| | - He-Qin Qiu
- School of Pharmaceutical Sciences, Jilin University, Changchun, 130021, People's Republic of China
| | - Guang-Shu Wang
- School of Pharmaceutical Sciences, Jilin University, Changchun, 130021, People's Republic of China.
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Liu Q, Zhou Y, Ma L, Gu F, Liao K, Liu Y, Zhang Y, Liu H, Hong Y, Cao M, Liu WH, Liu C, Liu G. Sulfate oligosaccharide of Gracilaria lemaneiformis modulates type 1 immunity by restraining T cell activation. Carbohydr Polym 2022; 288:119377. [DOI: 10.1016/j.carbpol.2022.119377] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Revised: 02/28/2022] [Accepted: 03/16/2022] [Indexed: 12/17/2022]
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Polysaccharides and Тheir Derivatives as Potential Antiviral Molecules. Viruses 2022; 14:v14020426. [PMID: 35216019 PMCID: PMC8879384 DOI: 10.3390/v14020426] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 02/08/2022] [Accepted: 02/16/2022] [Indexed: 01/27/2023] Open
Abstract
In the current context of the COVID-19 pandemic, it appears that our scientific resources and the medical community are not sufficiently developed to combat rapid viral spread all over the world. A number of viruses causing epidemics have already disseminated across the world in the last few years, such as the dengue or chinkungunya virus, the Ebola virus, and other coronavirus families such as Middle East respiratory syndrome (MERS-CoV) and severe acute respiratory syndrome (SARS-CoV). The outbreaks of these infectious diseases have demonstrated the difficulty of treating an epidemic before the creation of vaccine. Different antiviral drugs already exist. However, several of them cause side effects or have lost their efficiency because of virus mutations. It is essential to develop new antiviral strategies, but ones that rely on more natural compounds to decrease the secondary effects. Polysaccharides, which have come to be known in recent years for their medicinal properties, including antiviral activities, are an excellent alternative. They are essential for the metabolism of plants, microorganisms, and animals, and are directly extractible. Polysaccharides have attracted more and more attention due to their therapeutic properties, low toxicity, and availability, and seem to be attractive candidates as antiviral drugs of tomorrow.
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