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Das IJ, Bal T. Exploring carrageenan: From seaweed to biomedicine-A comprehensive review. Int J Biol Macromol 2024; 268:131822. [PMID: 38677668 DOI: 10.1016/j.ijbiomac.2024.131822] [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: 01/15/2024] [Revised: 04/04/2024] [Accepted: 04/22/2024] [Indexed: 04/29/2024]
Abstract
Biomaterials are pivotal in the realms of tissue engineering, regenerative medicine, and drug delivery and serve as fundamental building blocks. Within this dynamic landscape, polymeric biomaterials emerge as the frontrunners, offering unparalleled versatility across physical, chemical, and biological domains. Natural polymers, in particular, captivate attention for their inherent bioactivity. Among these, carrageenan (CRG), extracted from red seaweeds, stands out as a naturally occurring polysaccharide with immense potential in various biomedical applications. CRG boasts a unique array of properties, encompassing antiviral, antibacterial, immunomodulatory, antihyperlipidemic, antioxidant, and antitumor attributes, positioning it as an attractive choice for cutting-edge research in drug delivery, wound healing, and tissue regeneration. This comprehensive review encapsulates the multifaceted properties of CRG, shedding light on the chemical modifications that it undergoes. Additionally, it spotlights pioneering research that harnesses the potential of CRG to craft scaffolds and drug delivery systems, offering high efficacy in the realms of tissue repair and disease intervention. In essence, this review celebrates the remarkable versatility of CRG and its transformative role in advancing biomedical solutions.
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Affiliation(s)
- Itishree Jogamaya Das
- Department of Pharmaceutical Sciences and Technology, Birla Institute of Technology, Mesra, Ranchi 835215, India
| | - Trishna Bal
- Department of Pharmaceutical Sciences and Technology, Birla Institute of Technology, Mesra, Ranchi 835215, India.
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2
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Geng H, Chen M, Guo C, Wang W, Chen D. Marine polysaccharides: Biological activities and applications in drug delivery systems. Carbohydr Res 2024; 538:109071. [PMID: 38471432 DOI: 10.1016/j.carres.2024.109071] [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: 12/14/2023] [Revised: 02/23/2024] [Accepted: 02/27/2024] [Indexed: 03/14/2024]
Abstract
The ocean is the common home of a large number of marine organisms, including plants, animals, and microorganisms. Researchers can extract thousands of important bioactive components from the oceans and use them extensively to treat and prevent diseases. In contrast, marine polysaccharide macromolecules such as alginate, carrageenan, Laminarin, fucoidan, chitosan, and hyaluronic acid have excellent physicochemical properties, good biocompatibility, and high bioactivity, which ensures their wide applications and strong therapeutic potentials in drug delivery. Drug delivery systems (DDS) based on marine polysaccharides and modified marine polysaccharide molecules have emerged as an innovative technology for controlling drug distribution on temporal, spatial, and dosage scales. They can detect and respond to external stimuli such as pH, temperature, and electric fields. These properties have led to their wide application in the design of novel drug delivery systems such as hydrogels, polymeric micelles, liposomes, microneedles, microspheres, etc. In addition, marine polysaccharide-based DDS not only have smart response properties but also can combine with the unique biological properties of the marine polysaccharide base to exert synergistic therapeutic effects. The biological activities of marine polysaccharides and the design of marine polysaccharide-based DDS are reviewed. Marine polysaccharide-based responsive DDS are expected to provide new strategies and solutions for disease treatment.
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Affiliation(s)
- Hongxu Geng
- Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs, School of Pharmacy, Yantai University, Yantai, 264005, PR China.
| | - Meijun Chen
- Yantai Muping District Hospital of Traditional Chinese Medicine, No.505, Government Street, Muping District, Yantai, 264110, PR China.
| | - Chunjing Guo
- College of Marine Life Science, Ocean University of China, 5# Yushan 10 Road, Qingdao, 266003, PR China.
| | - Wenxin Wang
- Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs, School of Pharmacy, Yantai University, Yantai, 264005, PR China.
| | - Daquan Chen
- Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs, School of Pharmacy, Yantai University, Yantai, 264005, PR China.
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3
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Ning L, Zhu B, Yao Z. Separation, purification and structural characterization of marine oligosaccharides: A comprehensive and systematic review of chromatographic methods. J Chromatogr A 2024; 1719:464755. [PMID: 38394786 DOI: 10.1016/j.chroma.2024.464755] [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: 10/26/2023] [Revised: 01/19/2024] [Accepted: 02/18/2024] [Indexed: 02/25/2024]
Abstract
Marine oligosaccharides have now been applied in a wide range of industry due to various kinds of physiological activities. However, the oligosaccharides with different polymeric degrees (Dps) differed in physiological activities and applicable fields. So it is promising and essential to separate, purify and structurally characterize these oligosaccharides for understanding their structure-function relationship. This review will summarize the lasted developments in the separation, purification and structural characterization of marine oligosaccharides, including the alginate oligosaccharides, carrageenan oligosaccharides, agar oligosaccharides, chitin oligosaccharides and chitosan oligosaccharides, emphasizing the successful examples of methods for separation and purification. Furthermore, an outlook for preparation of functional oligosaccharides in food biotechnology and agriculture fields is also included. This comprehensive review could definitely promote the utilization of marine functional polysaccharides for food and agriculture.
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Affiliation(s)
- Limin Ning
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing 211816, China; School of Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Benwei Zhu
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing 211816, China.
| | - Zhong Yao
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing 211816, China
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Jousselin C, Pliego-Cortés H, Damour A, Garcia M, Bodet C, Robledo D, Bourgougnon N, Lévêque N. Anti-SARS-CoV-2 Activity of Polysaccharides Extracted from Halymenia floresii and Solieria chordalis (Rhodophyta). Mar Drugs 2023; 21:348. [PMID: 37367673 DOI: 10.3390/md21060348] [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: 04/04/2023] [Revised: 05/24/2023] [Accepted: 05/30/2023] [Indexed: 06/28/2023] Open
Abstract
Even after hundreds of clinical trials, the search for new antivirals to treat COVID-19 is still relevant. Carrageenans are seaweed sulfated polysaccharides displaying antiviral activity against a wide range of respiratory viruses. The objective of this work was to study the antiviral properties of Halymenia floresii and Solieria chordalis carrageenans against SARS-CoV-2. Six polysaccharide fractions obtained from H. floresii and S. chordalis by Enzyme-Assisted Extraction (EAE) or Hot Water Extraction (HWE) were tested. The effect of carrageenan on viral replication was assessed during infection of human airway epithelial cells with a clinical strain of SARS-CoV-2. The addition of carrageenans at different times of the infection helped to determine their mechanism of antiviral action. The four polysaccharide fractions isolated from H. floresii displayed antiviral properties while the S. chordalis fractions did not. EAE-purified fractions caused a stronger reduction in viral RNA concentration. Their antiviral action is likely related to an inhibition of the virus attachment to the cell surface. This study confirms that carrageenans could be used as first-line treatment in the respiratory mucosa to inhibit the infection and transmission of SARS-CoV-2. Low production costs, low cytotoxicity, and a broad spectrum of antiviral properties constitute the main strengths of these natural molecules.
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Affiliation(s)
- Clément Jousselin
- Laboratoire de Virologie et Mycobactériologie, Centre Hospitalier Universitaire, 86021 Poitiers, France
- Laboratoire Inflammation Tissus Epitheliaux et Cytokines, Université de Poitiers, 86073 Poitiers, France
| | - Hugo Pliego-Cortés
- Université Bretagne-Sud, EMR CNRS 6076, LBCM, IUEM, F-56000 Vannes, France
| | - Alexia Damour
- Laboratoire Inflammation Tissus Epitheliaux et Cytokines, Université de Poitiers, 86073 Poitiers, France
| | - Magali Garcia
- Laboratoire de Virologie et Mycobactériologie, Centre Hospitalier Universitaire, 86021 Poitiers, France
- Laboratoire Inflammation Tissus Epitheliaux et Cytokines, Université de Poitiers, 86073 Poitiers, France
| | - Charles Bodet
- Laboratoire Inflammation Tissus Epitheliaux et Cytokines, Université de Poitiers, 86073 Poitiers, France
| | - Daniel Robledo
- Centro de Investigación y de Estudios Avanzados (CINVESTAV), Unidad Mérida, AP 73, Cordemex, Mérida 97310, Yucatán, Mexico
| | | | - Nicolas Lévêque
- Laboratoire de Virologie et Mycobactériologie, Centre Hospitalier Universitaire, 86021 Poitiers, France
- Laboratoire Inflammation Tissus Epitheliaux et Cytokines, Université de Poitiers, 86073 Poitiers, France
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Pradhan B, Ki JS. Biological activity of algal derived carrageenan: A comprehensive review in light of human health and disease. Int J Biol Macromol 2023; 238:124085. [PMID: 36948331 DOI: 10.1016/j.ijbiomac.2023.124085] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 03/14/2023] [Accepted: 03/15/2023] [Indexed: 03/24/2023]
Abstract
Carrageenans are a family of natural linear sulfated polysaccharides derived from red seaweeds and used as a common food additive. Carrageenan's properties, impact on health, and aesthetic benefits have all been studied for a long time; however, the mechanisms are still unclear. In pharmaceutical aspects, carrageenan displayed potential antioxidant and immunomodulatory properties in both in vivo and in vitro action. It also contributes to potential disease-preventive activities through dynamic modulation of important intracellular signaling pathways, regulation of ROS buildup, and preservation of major cell survival and death processes which leads to potential drug development. Furthermore, the chemical synthesis of the current bioactive medicine with confirmational rearrangement may increase availability and bioactivity needs diligent examination. In this review, we give an up-to-date overview of recent research on Carrageenan with reference to health and therapeutic advantages. In addition, we have focused on structural conformation and its primary strategic deployment in disease prevention, as well as the mechanistic investigation of how it functions to combat various disease-preventive employed for future therapeutic interventions. This review may get new insights into the possible novel role of carrageenan and open up a novel disease-preventive mechanism and enhance human health.
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Affiliation(s)
- Biswajita Pradhan
- Department of Biotechnology, Sangmyung University, Seoul 03016, Republic of Korea; School of Biological Sciences, AIPH University, Bhubaneswar 752101, Odisha, India
| | - Jang-Seu Ki
- Department of Biotechnology, Sangmyung University, Seoul 03016, Republic of Korea.
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Preparation methods, biological activities, and potential applications of marine algae oligosaccharides: a review. FOOD SCIENCE AND HUMAN WELLNESS 2023. [DOI: 10.1016/j.fshw.2022.07.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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7
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Zaitseva OO, Sergushkina MI, Khudyakov AN, Polezhaeva TV, Solomina ON. Seaweed sulfated polysaccharides and their medicinal properties. ALGAL RES 2022. [DOI: 10.1016/j.algal.2022.102885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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A study protocol for a double-blind randomised placebo-controlled trial evaluating the efficacy of carrageenan nasal and throat spray for COVID-19 prophylaxis—ICE-COVID. Trials 2022; 23:782. [PMID: 36109791 PMCID: PMC9477161 DOI: 10.1186/s13063-022-06685-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 08/24/2022] [Indexed: 11/10/2022] Open
Abstract
Introduction At present, vaccines form the only mode of prophylaxis against COVID-19. The time needed to achieve mass global vaccination and the emergence of new variants warrants continued research into other COVID-19 prevention strategies. The severity of COVID-19 infection is thought to be associated with the initial viral load, and for infection to occur, viruses including SARS-CoV-2 must first penetrate the respiratory mucus and attach to the host cell surface receptors. Carrageenan, a sulphated polysaccharide extracted from red edible seaweed, has shown efficacy against a wide range of viruses in clinical trials through the prevention of viral entry into respiratory host cells. Carrageenan has also demonstrated in vitro activity against SARS-CoV-2. Methods and analysis A single-centre, randomised, double-blinded, placebo-controlled phase III trial was designed. Participants randomised in a 1:1 allocation to either the treatment arm, verum Coldamaris plus (1.2 mg iota-carrageenan (Carragelose®), 0.4 mg kappa-carrageenan, 0.5% sodium chloride and purified water), or placebo arm, Coldamaris sine (0.5% sodium chloride) spray applied daily to their nose and throat for 8 weeks, while completing a daily symptom tracker questionnaire for a total of 10 weeks. Primary outcome Acquisition of COVID-19 infection as confirmed by a positive PCR swab taken at symptom onset or seroconversion during the study. Secondary outcomes include symptom type, severity and duration, subsequent familial/household COVID-19 infection and infection with non-COVID-19 upper respiratory tract infections. A within-trial economic evaluation will be undertaken, with effects expressed as quality-adjusted life years. Discussion This is a single-centre, phase III, double-blind, randomised placebo-controlled clinical trial to assess whether carrageenan nasal and throat spray reduces the risk of development and severity of COVID-19. If proven effective, the self-administered prophylactic spray would have wider utility for key workers and the general population. Trial registration NCT04590365; ClinicalTrials.gov NCT04590365. Registered on 19 October 2020. Supplementary Information The online version contains supplementary material available at 10.1186/s13063-022-06685-z.
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Van Den Bergh A, Bailly B, Guillon P, von Itzstein M, Dirr L. Antiviral strategies against human metapneumovirus: Targeting the fusion protein. Antiviral Res 2022; 207:105405. [PMID: 36084851 DOI: 10.1016/j.antiviral.2022.105405] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 08/23/2022] [Accepted: 08/31/2022] [Indexed: 11/02/2022]
Abstract
Human metapneumoviruses have emerged in the past decades as an important global pathogen that causes severe upper and lower respiratory tract infections. Children under the age of 2, the elderly and immunocompromised individuals are more susceptible to HMPV infection than the general population due to their suboptimal immune system. Despite the recent discovery of HMPV as a novel important respiratory virus, reports have rapidly described its epidemiology, biology, and pathogenesis. However, progress is still to be made in the development of vaccines and drugs against HMPV infection as none are currently available. Herein, we discuss the importance of HMPV and review the reported strategies for anti-HMPV drug candidates. We also present the fusion protein as a promising antiviral drug target due to its multiple roles in the HMPV lifecycle. This key viral protein has previously been targeted by a range of inhibitors, which will be discussed as they represent opportunities for future drug design.
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Affiliation(s)
| | - Benjamin Bailly
- Institute for Glycomics, Griffith University, Gold Coast, Queensland 4222, Australia
| | - Patrice Guillon
- Institute for Glycomics, Griffith University, Gold Coast, Queensland 4222, Australia
| | - Mark von Itzstein
- Institute for Glycomics, Griffith University, Gold Coast, Queensland 4222, Australia.
| | - Larissa Dirr
- Institute for Glycomics, Griffith University, Gold Coast, Queensland 4222, Australia.
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10
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Chemical modifications in the structure of seaweed polysaccharides as a viable antimicrobial application: A current overview and future perspectives. ALGAL RES 2022. [DOI: 10.1016/j.algal.2022.102796] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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11
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Tang Q, Luan F, Yuan A, Sun J, Rao Z, Wang B, Liu Y, Zeng N. Sophoridine Suppresses Herpes Simplex Virus Type 1 Infection by Blocking the Activation of Cellular PI3K/Akt and p38 MAPK Pathways. Front Microbiol 2022; 13:872505. [PMID: 35756044 PMCID: PMC9229184 DOI: 10.3389/fmicb.2022.872505] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 04/19/2022] [Indexed: 11/13/2022] Open
Abstract
Herpes simplex virus type 1 (HSV-1) is a ubiquitous and important human pathogen capable of causing significant clinical diseases ranging from skin damage to encephalitis, particularly in immunocompromised and neonatal hosts. Currently, widely used nucleoside analogs, including acyclovir and penciclovir, have some limitations in their use due to side effects and drug resistance. Herein, we report sophoridine's (SRI) dramatic inhibition of HSV-1 replication in vitro. SRI exhibited a remarkable inhibitory influence on HSV-1 virus-induced cytopathic effect and plaque formation, as well as on progeny viruses in Vero and HeLa cells, with selection indexes (SI) of 38.96 and 22.62, respectively. Moreover, SRI also considerably suppressed HSV-1 replication by hindering the expression of viral immediate-early (ICP0 and ICP22), early (ICP8 and TK), and late (gB and gD) genes and the expression of viral proteins ICP0, gB, and gD. We suggest that SRI can directly inactivate viral particles and block some stages in the life cycle of HSV-1 after adsorption. Further experiments showed that SRI downregulated the cellular PI3K/Akt signaling pathway and obstructed HSV-1 replication even more. Most importantly, SRI markedly repressed HSV-1-induced p38 MAPK pathway activation. Collectively, this natural bioactive alkaloid could be a promising therapeutic candidate against HSV-1 via the modulation of cellular PI3K/Akt and p38 MAPK pathways.
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Affiliation(s)
- Qiong Tang
- State Key Laboratory of South Western Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Fei Luan
- State Key Laboratory of South Western Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - An Yuan
- State Key Laboratory of South Western Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jiayi Sun
- Innovative Institute of Chinese Medicine and Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Zhili Rao
- State Key Laboratory of South Western Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Baojun Wang
- State Key Laboratory of South Western Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yao Liu
- State Key Laboratory of South Western Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China.,School of Laboratory Medicine, Chengdu Medical College, Chengdu, China
| | - Nan Zeng
- State Key Laboratory of South Western Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
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Antiviral Activity and Mechanisms of Seaweeds Bioactive Compounds on Enveloped Viruses-A Review. Mar Drugs 2022; 20:md20060385. [PMID: 35736188 PMCID: PMC9228758 DOI: 10.3390/md20060385] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Revised: 06/02/2022] [Accepted: 06/03/2022] [Indexed: 12/13/2022] Open
Abstract
In the last decades, the interest in seaweed has significantly increased. Bioactive compounds from seaweed’s currently receive major attention from pharmaceutical companies as they express several interesting biological activities which are beneficial for humans. The structural diversity of seaweed metabolites provides diverse biological activities which are expressed through diverse mechanisms of actions. This review mainly focuses on the antiviral activity of seaweed’s extracts, highlighting the mechanisms of actions of some seaweed molecules against infection caused by different types of enveloped viruses: influenza, Lentivirus (HIV-1), Herpes viruses, and coronaviruses. Seaweed metabolites with antiviral properties can act trough different pathways by increasing the host’s defense system or through targeting and blocking virus replication before it enters host cells. Several studies have already established the large antiviral spectrum of seaweed’s bioactive compounds. Throughout this review, antiviral mechanisms and medical applications of seaweed’s bioactive compounds are analyzed, suggesting seaweed’s potential source of antiviral compounds for the formulation of novel and natural antiviral drugs.
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13
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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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14
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The inhibition effects and mechanisms of sulfated chitooligosaccharides on influenza A virus in vitro and in vivo. Carbohydr Polym 2022; 286:119316. [DOI: 10.1016/j.carbpol.2022.119316] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 01/20/2022] [Accepted: 03/02/2022] [Indexed: 01/25/2023]
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15
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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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16
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Panggabean JA, Adiguna SP, Rahmawati SI, Ahmadi P, Zainuddin EN, Bayu A, Putra MY. Antiviral Activities of Algal-Based Sulfated Polysaccharides. Molecules 2022; 27:molecules27041178. [PMID: 35208968 PMCID: PMC8874489 DOI: 10.3390/molecules27041178] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 02/01/2022] [Accepted: 02/02/2022] [Indexed: 01/26/2023] Open
Abstract
An antiviral agent is urgently needed based on the high probability of the emergence and re-emergence of future viral disease, highlighted by the recent global COVID-19 pandemic. The emergence may be seen in the discovery of the Alpha, Beta, Gamma, Delta, and recently discovered Omicron variants of SARS-CoV-2. The need for strategies besides testing and isolation, social distancing, and vaccine development is clear. One of the strategies includes searching for an antiviral agent that provides effective results without toxicity, which is well-presented by significant results for carrageenan nasal spray in providing efficacy against human coronavirus-infected patients. As the primary producer of sulfated polysaccharides, marine plants, including macro- and microalgae, offer versatility in culture, production, and post-isolation development in obtaining the needed antiviral agent. Therefore, this review will describe an attempt to highlight the search for practical and safe antiviral agents from algal-based sulfated polysaccharides and to unveil their features for future development.
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Affiliation(s)
- Jonathan Ardhianto Panggabean
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Gadjah Mada, Bulaksumur, Yogyakarta 55281, Indonesia; (J.A.P.); (S.P.A.)
- Research Center for Biotechnology, Research Organization for Life Sciences, National Research and Innovation Agency (BRIN), Jalan Raya Jakarta-Bogor KM. 46, Cibinong 16911, Indonesia;
| | - Sya’ban Putra Adiguna
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Gadjah Mada, Bulaksumur, Yogyakarta 55281, Indonesia; (J.A.P.); (S.P.A.)
- Research Center for Biotechnology, Research Organization for Life Sciences, National Research and Innovation Agency (BRIN), Jalan Raya Jakarta-Bogor KM. 46, Cibinong 16911, Indonesia;
| | - Siti Irma Rahmawati
- Research Center for Biotechnology, Research Organization for Life Sciences, National Research and Innovation Agency (BRIN), Jalan Raya Jakarta-Bogor KM. 46, Cibinong 16911, Indonesia;
| | - Peni Ahmadi
- Research Center for Biotechnology, Research Organization for Life Sciences, National Research and Innovation Agency (BRIN), Jalan Raya Jakarta-Bogor KM. 46, Cibinong 16911, Indonesia;
- Correspondence: (P.A.); (E.N.Z.); (A.B.); (M.Y.P.)
| | - Elmi Nurhaidah Zainuddin
- Faculty of Marine Science and Fisheries, Hasanuddin University, Makassar 90245, Indonesia
- Center of Excellent for Development and Utilization of Seaweed, Hasanuddin University, Makassar 90245, Indonesia
- Correspondence: (P.A.); (E.N.Z.); (A.B.); (M.Y.P.)
| | - Asep Bayu
- Research Center for Biotechnology, Research Organization for Life Sciences, National Research and Innovation Agency (BRIN), Jalan Raya Jakarta-Bogor KM. 46, Cibinong 16911, Indonesia;
- Correspondence: (P.A.); (E.N.Z.); (A.B.); (M.Y.P.)
| | - Masteria Yunovilsa Putra
- Research Center for Biotechnology, Research Organization for Life Sciences, National Research and Innovation Agency (BRIN), Jalan Raya Jakarta-Bogor KM. 46, Cibinong 16911, Indonesia;
- Correspondence: (P.A.); (E.N.Z.); (A.B.); (M.Y.P.)
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Influence of the Structural Features of Carrageenans from Red Algae of the Far Eastern Seas on Their Antiviral Properties. Mar Drugs 2022; 20:md20010060. [PMID: 35049914 PMCID: PMC8779503 DOI: 10.3390/md20010060] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 12/31/2021] [Accepted: 01/06/2022] [Indexed: 01/27/2023] Open
Abstract
The structural diversity and unique physicochemical properties of sulphated polysaccharides of red algae carrageenans (CRGs), to a great extent, determine the wide range of their antiviral properties. This work aimed to compare the antiviral activities of different structural types of CRGs: against herpes simplex virus type 1 (HSV-1) and enterovirus (ECHO-1). We found that CRGs significantly increased the resistance of Vero cells to virus infection (preventive effect), directly affected virus particles (virucidal effect), inhibited the attachment and penetration of virus to cells, and were more effective against HSV-1. CRG1 showed the highest virucidal effect on HSV-1 particles with a selective index (SI) of 100. CRG2 exhibited the highest antiviral activity by inhibiting HSV-1 and ECHO-1 plaque formation, with a SI of 110 and 59, respectively, when it was added before virus infection. CRG2 also significantly reduced the attachment of HSV-1 and ECHO-1 to cells compared to other CRGs. It was shown by molecular docking that tetrasaccharides—CRGs are able to bind with the HSV-1 surface glycoprotein, gD, to prevent virus–cell interactions. The revealed differences in the effect of CRGs on different stages of the lifecycle of the viruses are apparently related to the structural features of the investigated compounds.
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Roy S, Sarkhel S, Bisht D, Hanumantharao SN, Rao S, Jaiswal A. Antimicrobial Mechanisms of Biomaterials: From Macro to Nano. Biomater Sci 2022; 10:4392-4423. [DOI: 10.1039/d2bm00472k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Overcoming the global concern of antibiotic resistance is one of the biggest challenge faced by scientists today and the key to tackle this issue of emerging infectious diseases is the...
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Polat S, Trif M, Rusu A, Šimat V, Čagalj M, Alak G, Meral R, Özogul Y, Polat A, Özogul F. Recent advances in industrial applications of seaweeds. Crit Rev Food Sci Nutr 2021:1-30. [PMID: 34875930 DOI: 10.1080/10408398.2021.2010646] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Seaweeds have been generally utilized as food and alternative medicine in different countries. They are specifically used as a raw material for wine, cheese, soup, tea, noodles, etc. In addition, seaweeds are potentially good resources of protein, vitamins, minerals, carbohydrates, essential fatty acids and dietary fiber. The quality and quantity of biologically active compounds in seaweeds depend on season and harvesting period, seaweed geolocation as well as ecological factors. Seaweeds or their extracts have been studied as innovative sources for a variety of bioactive compounds such as polyunsaturated fatty acids, polyphenols, carrageenan, fucoidan, etc. These secondary metabolites have been shown to have antioxidant, antimicrobial, antiviral, anticancer, antidiabetic, anti-inflammatory, anti-aging, anti-obesity and anti-tumour properties. They have been used in pharmaceutical/medicine, and food industries since bioactive compounds from seaweeds are regarded as safe and natural. Therefore, this article provides up-to-date information on the applications of seaweed in different industries such as pharmaceutical, biomedical, cosmetics, dermatology and agriculture. Further studies on innovative extraction methods, safety issue and health-promoting properties should be reconsidered. Moreover, the details of the molecular mechanisms of seaweeds and their bioactive compounds for physiological activities are to be clearly elucidated.
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Affiliation(s)
- Sevim Polat
- Department of Marine Biology, Faculty of Fisheries, Cukurova University, Adana, Turkey
| | - Monica Trif
- Centre for Innovative Process Engineering (CENTIV) GmbH, Syke, Germany
| | - Alexandru Rusu
- CENCIRA Agrofood Research and Innovation Centre, Cluj-Napoca, Romania
| | - Vida Šimat
- University Department of Marine Studies, University of Split, Split, Croatia
| | - Martina Čagalj
- University Department of Marine Studies, University of Split, Split, Croatia
| | - Gonca Alak
- Department of Seafood Processing Technology, Faculty of Fisheries, Ataturk University, Erzurum, Turkey
| | - Raciye Meral
- Department of Food Engineering, Faculty of Engineering, Van Yüzüncü Yıl University, Van, Turkey
| | - Yesim Özogul
- Department of Seafood Processing Technology, Faculty of Fisheries, Cukurova University, Adana, Turkey
| | - Abdurahman Polat
- Department of Seafood Processing Technology, Faculty of Fisheries, Cukurova University, Adana, Turkey
| | - Fatih Özogul
- Department of Seafood Processing Technology, Faculty of Fisheries, Cukurova University, Adana, Turkey
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Khutsishvili SS, Ganenko TV, Sukhov BG. Formation and paramagnetic properties of manganese-containing bionanocomposites based on natural polysaccharide matrices. J Carbohydr Chem 2021. [DOI: 10.1080/07328303.2021.1990314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Spartak S. Khutsishvili
- N. N. Vorozhtsov Novosibirsk Institute of Organic Chemistry of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Tat’yana V. Ganenko
- A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences, Irkutsk, Russia
| | - Boris G. Sukhov
- V. V. Voevodsky Institute of Chemical Kinetics and Combustion of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
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21
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Figueroa JM, Lombardo ME, Dogliotti A, Flynn LP, Giugliano R, Simonelli G, Valentini R, Ramos A, Romano P, Marcote M, Michelini A, Salvado A, Sykora E, Kniz C, Kobelinsky M, Salzberg DM, Jerusalinsky D, Uchitel O. Efficacy of a Nasal Spray Containing Iota-Carrageenan in the Postexposure Prophylaxis of COVID-19 in Hospital Personnel Dedicated to Patients Care with COVID-19 Disease. Int J Gen Med 2021; 14:6277-6286. [PMID: 34629893 PMCID: PMC8493111 DOI: 10.2147/ijgm.s328486] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Accepted: 09/14/2021] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Iota-Carrageenan (I-C) is a sulfate polysaccharide synthesized by red algae, with demonstrated antiviral activity and clinical efficacy as nasal spray in the treatment of common cold. In vitro, I-C inhibits SARS-CoV-2 infection in cell culture. RESEARCH QUESTION Can a nasal spray with Iota-Carrageenan be useful in the prophylaxis of COVID-19 in health care workers managing patients with COVID-19 disease? STUDY DESIGN AND METHODS This is a pilot pragmatic multicenter, randomized, double-blind, placebo-controlled study assessing the use of a nasal spray containing I-C in the prophylaxis of COVID-19 in hospital personnel dedicated to care of COVID-19 patients. Clinically healthy physicians, nurses, kinesiologists and other health care providers managing patients hospitalized for COVID-19 were assigned in a 1:1 ratio to receive four daily doses of I-C spray or placebo for 21 days. The primary end point was clinical COVID-19, as confirmed by reverse transcriptase polymerase chain reaction testing, over a period of 21 days. The trial is registered at ClinicalTrials.gov (NCT04521322). RESULTS A total of 394 individuals were randomly assigned to receive I-C or placebo. Both treatment groups had similar baseline characteristics. The incidence of COVID-19 differs significantly between subjects receiving the nasal spray with I-C (2 of 196 [1.0%]) and those receiving placebo (10 of 198 [5.0%]). Relative risk reduction: 79.8% (95% CI 5.3 to 95.4; p=0.03). Absolute risk reduction: 4% (95% CI 0.6 to 7.4). INTERPRETATION In this pilot study a nasal spray with I-C showed significant efficacy in preventing COVID-19 in health care workers managing patients with COVID-19 disease. CLINICAL TRIALS REGISTRATION NCT04521322.
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Affiliation(s)
- Juan Manuel Figueroa
- Sleep and Respiratory Research Center, Instituto de Ciencia y Tecnología Cesar Milstein, Ciudad Autónoma de Buenos Aires, Argentina
| | - Mónica Edith Lombardo
- Clinical Research Unit, Hospital Universitario CEMIC, Ciudad Autónoma de Buenos Aires, Argentina
- Scientific Direction, Nobeltri S.R.L, Ciudad Autónoma de Buenos Aires, Argentina
| | - Ariel Dogliotti
- Department of Cardiology, Instituto Cardiovascular de Rosario, Rosario, Santa Fe, Argentina
| | - Luis Pedro Flynn
- Department of Infectology, Sanatorio de Niños de Rosario, Rosario, Santa Fe, Argentina
| | - Robert Giugliano
- Division of Cardiovascular Medicine, Brigham and Women's Hospital, and Department of Medicine, Harvard Medical School, Boston, MA, USA
| | - Guido Simonelli
- Département de Médecine, Université de Montréal and Centre d'études avancées en médecine du sommeil, Hôpital du Sacré-Coeur de Montréal, Montréal, Quebec, Canada
| | - Ricardo Valentini
- Clinical Research Unit, Hospital Universitario CEMIC, Ciudad Autónoma de Buenos Aires, Argentina
| | - Agñel Ramos
- Intensive Care Department, Sanatorio Parque de Rosario, Rosario, Santa Fe, Argentina
| | - Pablo Romano
- Otolaryngology Department, Clínica y Maternidad Santa Isabel, Ciudad Autónoma de Buenos Aires, Argentina
| | - Marcelo Marcote
- Medical Direction Department, Hospital Interzonal de Agudos Pte. Perón, Avellaneda, Buenos Aires, Argentina
| | - Alicia Michelini
- Pulmonology Department, Hospital Pediátrico Avelino Castelán, Resistencia, Chaco, Argentina
| | - Alejandro Salvado
- Pulmonology Department, Hospital Británico de Buenos Aires, Ciudad Autónoma de Buenos Aires, Argentina
| | - Emilio Sykora
- Department of Medicine, Clínica Monte Grande, Monte Grande, Buenos Aires, Argentina
| | - Cecilia Kniz
- Pulmonology Department, Hospital 4 de Junio Dr Ramón Carrillo, Chaco, Argentina
| | - Marcelo Kobelinsky
- Medical Direction, Clínica Modelo De Morón, Morón, Provincia de Buenos Aires, Argentina
| | - David Manuel Salzberg
- Department of Family Medicine, Hospital Gral. de Agudos Dr. Teodoro Alvarez, Ciudad Autónoma de Buenos Aires, Argentina
| | - Diana Jerusalinsky
- Cell Biology and Neurosciences Institute (IBCN), Buenos Aires University-CONICET, Ciudad Autónoma de Buenos Aires, Argentina
| | - Osvaldo Uchitel
- Institute of Physiology, Molecular Biology and Neurosciences, Buenos Aires University-CONICET, Ciudad Autónoma de Buenos Aires, Argentina
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Potential Antiviral Properties of Industrially Important Marine Algal Polysaccharides and Their Significance in Fighting a Future Viral Pandemic. Viruses 2021; 13:v13091817. [PMID: 34578399 PMCID: PMC8473461 DOI: 10.3390/v13091817] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Accepted: 08/27/2021] [Indexed: 12/16/2022] Open
Abstract
Over the decades, the world has witnessed diverse virus associated pandemics. The significant inhibitory effects of marine sulfated polysaccharides against SARS-CoV-2 shows its therapeutic potential in future biomedical applications and drug development. Algal polysaccharides exhibited significant role in antimicrobial, antitumor, antioxidative, antiviral, anticoagulant, antihepatotoxic and immunomodulating activities. Owing to their health benefits, the sulfated polysaccharides from marine algae are a great deal of interest globally. Algal polysaccharides such as agar, alginate, carrageenans, porphyran, fucoidan, laminaran and ulvans are investigated for their nutraceutical potential at different stages of infection processes, structural diversity, complexity and mechanism of action. In this review, we focus on the recent antiviral studies of the marine algae-based polysaccharides and their potential towards antiviral medicines.
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Umar Y, Al-Batty S, Rahman H, Ashwaq O, Sarief A, Sadique Z, Sreekumar PA, Haque SKM. Polymeric Materials as Potential Inhibitors Against SARS-CoV-2. JOURNAL OF POLYMERS AND THE ENVIRONMENT 2021; 30:1244-1263. [PMID: 34518763 PMCID: PMC8426594 DOI: 10.1007/s10924-021-02272-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 08/22/2021] [Indexed: 05/02/2023]
Abstract
Recently discovered SARS-CoV-2 caused a pandemic that triggered researchers worldwide to focus their research on all aspects of this new peril to humanity. However, in the absence of specific therapeutic intervention, some preventive strategies and supportive treatment minimize the viral transmission as studied by some factors such as basic reproduction number, case fatality rate, and incubation period in the epidemiology of viral diseases. This review briefly discusses coronaviruses' life cycle of SARS-CoV-2 in a human host cell and preventive strategies at some selected source of infection. The antiviral activities of synthetic and natural polymers such as chitosan, hydrophobically modified chitosan, galactosylated chitosan, amine-based dendrimers, cyclodextrin, carrageenans, polyethyleneimine, nanoparticles are highlighted in this article. Mechanism of virus inhibition, detection and diagnosis are also presented. It also suggests that polymeric materials and nanoparticles can be effective as potential inhibitors and immunization against coronaviruses which would further develop new technologies in the field of polymer and nanoscience.
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Affiliation(s)
- Yunusa Umar
- Department of Chemical and Process Engineering Technology, Jubail Industrial College, Jubail Industrial City, 31961 Saudi Arabia
| | - Sirhan Al-Batty
- Department of Chemical and Process Engineering Technology, Jubail Industrial College, Jubail Industrial City, 31961 Saudi Arabia
| | - Habibur Rahman
- Department of General Studies, Jubail Industrial College, Jubail Industrial City, 31961 Saudi Arabia
| | - Omar Ashwaq
- Department of Chemical and Process Engineering Technology, Jubail Industrial College, Jubail Industrial City, 31961 Saudi Arabia
| | - Abdulla Sarief
- Department of Chemical and Process Engineering Technology, Jubail Industrial College, Jubail Industrial City, 31961 Saudi Arabia
| | - Zakariya Sadique
- Department of Chemical and Process Engineering Technology, Jubail Industrial College, Jubail Industrial City, 31961 Saudi Arabia
| | - P. A. Sreekumar
- Department of Chemical and Process Engineering Technology, Jubail Industrial College, Jubail Industrial City, 31961 Saudi Arabia
| | - S. K. Manirul Haque
- Department of Chemical and Process Engineering Technology, Jubail Industrial College, Jubail Industrial City, 31961 Saudi Arabia
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Structural, antioxidant, prebiotic and anti-inflammatory properties of pectic oligosaccharides hydrolyzed from okra pectin by Fenton reaction. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2021.106779] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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25
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Álvarez-Viñas M, Souto S, Flórez-Fernández N, Torres MD, Bandín I, Domínguez H. Antiviral Activity of Carrageenans and Processing Implications. Mar Drugs 2021; 19:437. [PMID: 34436276 PMCID: PMC8400836 DOI: 10.3390/md19080437] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Revised: 07/23/2021] [Accepted: 07/27/2021] [Indexed: 02/07/2023] Open
Abstract
Carrageenan and carrageenan oligosaccharides are red seaweed sulfated carbohydrates with well-known antiviral properties, mainly through the blocking of the viral attachment stage. They also exhibit other interesting biological properties and can be used to prepare different drug delivery systems for controlled administration. The most active forms are λ-, ι-, and κ-carrageenans, the degree and sulfation position being determined in their properties. They can be obtained from sustainable worldwide available resources and the influence of manufacturing on composition, structure, and antiviral properties should be considered. This review presents a survey of the antiviral properties of carrageenan in relation to the processing conditions, particularly those assisted by intensification technologies during the extraction stage, and discusses the possibility of further chemical modifications.
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Affiliation(s)
- Milena Álvarez-Viñas
- CINBIO, Faculty of Science, Universidade de Vigo, Campus Ourense, As Lagoas, 32004 Ourense, Spain; (M.Á.-V.); (N.F.-F.); (M.D.T.)
| | - Sandra Souto
- Departamento de Microbioloxía e Parasitoloxía, Instituto de Acuicultura, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain; (S.S.); (I.B.)
| | - Noelia Flórez-Fernández
- CINBIO, Faculty of Science, Universidade de Vigo, Campus Ourense, As Lagoas, 32004 Ourense, Spain; (M.Á.-V.); (N.F.-F.); (M.D.T.)
| | - Maria Dolores Torres
- CINBIO, Faculty of Science, Universidade de Vigo, Campus Ourense, As Lagoas, 32004 Ourense, Spain; (M.Á.-V.); (N.F.-F.); (M.D.T.)
| | - Isabel Bandín
- Departamento de Microbioloxía e Parasitoloxía, Instituto de Acuicultura, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain; (S.S.); (I.B.)
| | - Herminia Domínguez
- CINBIO, Faculty of Science, Universidade de Vigo, Campus Ourense, As Lagoas, 32004 Ourense, Spain; (M.Á.-V.); (N.F.-F.); (M.D.T.)
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Geahchan S, Ehrlich H, Rahman MA. The Anti-Viral Applications of Marine Resources for COVID-19 Treatment: An Overview. Mar Drugs 2021; 19:409. [PMID: 34436248 PMCID: PMC8402008 DOI: 10.3390/md19080409] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 07/08/2021] [Accepted: 07/12/2021] [Indexed: 12/15/2022] Open
Abstract
The ongoing pandemic has led to an urgent need for novel drug discovery and potential therapeutics for Sars-CoV-2 infected patients. Although Remdesivir and the anti-inflammatory agent dexamethasone are currently on the market for treatment, Remdesivir lacks full efficacy and thus, more drugs are needed. This review was conducted through literature search of PubMed, MDPI, Google Scholar and Scopus. Upon review of existing literature, it is evident that marine organisms harbor numerous active metabolites with anti-viral properties that serve as potential leads for COVID-19 therapy. Inorganic polyphosphates (polyP) naturally found in marine bacteria and sponges have been shown to prevent viral entry, induce the innate immune response, and downregulate human ACE-2. Furthermore, several marine metabolites isolated from diverse sponges and algae have been shown to inhibit main protease (Mpro), a crucial protein required for the viral life cycle. Sulfated polysaccharides have also been shown to have potent anti-viral effects due to their anionic properties and high molecular weight. Likewise, select marine sponges produce bromotyrosines which have been shown to prevent viral entry, replication and protein synthesis. The numerous compounds isolated from marine resources demonstrate significant potential against COVID-19. The present review for the first time highlights marine bioactive compounds, their sources, and their anti-viral mechanisms of action, with a focus on potential COVID-19 treatment.
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Affiliation(s)
- Sarah Geahchan
- Centre for Climate Change Research, Toronto, ON M4P 1J4, Canada; (S.G.); (H.E.)
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, ON M5S 2E8, Canada
| | - Hermann Ehrlich
- Centre for Climate Change Research, Toronto, ON M4P 1J4, Canada; (S.G.); (H.E.)
- A.R. Environmental Solutions, University of Toronto, ICUBE-UTM, Mississauga, ON L5L 1C6, Canada
- Institute of Electronic and Sensor Materials, TU Bergakademie Freiberg, 09599 Freiberg, Germany
- Center for Advanced Technology, Adam Mickiewicz University, 61614 Poznan, Poland
| | - M. Azizur Rahman
- Centre for Climate Change Research, Toronto, ON M4P 1J4, Canada; (S.G.); (H.E.)
- A.R. Environmental Solutions, University of Toronto, ICUBE-UTM, Mississauga, ON L5L 1C6, Canada
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Reynolds D, Huesemann M, Edmundson S, Sims A, Hurst B, Cady S, Beirne N, Freeman J, Berger A, Gao S. Viral inhibitors derived from macroalgae, microalgae, and cyanobacteria: A review of antiviral potential throughout pathogenesis. ALGAL RES 2021; 57:102331. [PMID: 34026476 PMCID: PMC8128986 DOI: 10.1016/j.algal.2021.102331] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 04/24/2021] [Accepted: 04/27/2021] [Indexed: 12/19/2022]
Abstract
Viruses are abiotic obligate parasites utilizing complex mechanisms to hijack cellular machinery and reproduce, causing multiple harmful effects in the process. Viruses represent a growing global health concern; at the time of writing, COVID-19 has killed at least two million people around the world and devastated global economies. Lingering concern regarding the virus' prevalence yet hampers return to normalcy. While catastrophic in and of itself, COVID-19 further heralds in a new era of human-disease interaction characterized by the emergence of novel viruses from natural sources with heretofore unseen frequency. Due to deforestation, population growth, and climate change, we are encountering more viruses that can infect larger groups of people with greater ease and increasingly severe outcomes. The devastation of COVID-19 and forecasts of future human/disease interactions call for a creative reconsideration of global response to infectious disease. There is an urgent need for accessible, cost-effective antiviral (AV) drugs that can be mass-produced and widely distributed to large populations. Development of AV drugs should be informed by a thorough understanding of viral structure and function as well as human biology. To maximize efficacy, minimize cost, and reduce development of drug-resistance, these drugs would ideally operate through a varied set of mechanisms at multiple stages throughout the course of infection. Due to their abundance and diversity, natural compounds are ideal for such comprehensive therapeutic interventions. Promising sources of such drugs are found throughout nature; especially remarkable are the algae, a polyphyletic grouping of phototrophs that produce diverse bioactive compounds. While not much literature has been published on the subject, studies have shown that these compounds exert antiviral effects at different stages of viral pathogenesis. In this review, we follow the course of viral infection in the human body and evaluate the AV effects of algae-derived compounds at each stage. Specifically, we examine the AV activities of algae-derived compounds at the entry of viruses into the body, transport through the body via the lymph and blood, infection of target cells, and immune response. We discuss what is known about algae-derived compounds that may interfere with the infection pathways of SARS-CoV-2; and review which algae are promising sources for AV agents or AV precursors that, with further investigation, may yield life-saving drugs due to their diversity of mechanisms and exceptional pharmaceutical potential.
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Affiliation(s)
- Daman Reynolds
- Pacific Northwest National Laboratory, Marine and Coastal Research Laboratory, Sequim, WA, USA
| | - Michael Huesemann
- Pacific Northwest National Laboratory, Marine and Coastal Research Laboratory, Sequim, WA, USA
| | - Scott Edmundson
- Pacific Northwest National Laboratory, Marine and Coastal Research Laboratory, Sequim, WA, USA
| | - Amy Sims
- Pacific Northwest National Laboratory, Chemical and Biological Signatures Group, Richland, WA, USA
| | - Brett Hurst
- Institute for Antiviral Research, Utah State University, Logan, UT, USA
| | - Sherry Cady
- Pacific Northwest National Laboratory, Marine and Coastal Research Laboratory, Sequim, WA, USA
| | - Nathan Beirne
- Pacific Northwest National Laboratory, Marine and Coastal Research Laboratory, Sequim, WA, USA
| | - Jacob Freeman
- Pacific Northwest National Laboratory, Marine and Coastal Research Laboratory, Sequim, WA, USA
| | - Adam Berger
- Pacific Northwest National Laboratory, Marine and Coastal Research Laboratory, Sequim, WA, USA
| | - Song Gao
- Pacific Northwest National Laboratory, Marine and Coastal Research Laboratory, Sequim, WA, USA
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The antiviral activity of iota-, kappa-, and lambda-carrageenan against COVID-19: A critical review. CLINICAL EPIDEMIOLOGY AND GLOBAL HEALTH 2021; 12:100826. [PMID: 34222718 PMCID: PMC8240443 DOI: 10.1016/j.cegh.2021.100826] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Revised: 05/22/2021] [Accepted: 06/21/2021] [Indexed: 11/23/2022] Open
Abstract
Objective There is no specific antiviral treatment available for coronavirus disease 2019 (COVID-19). Among the possible natural constituents is carrageenan, a polymer derived from marine algae that possesses a variety of antiviral properties. The purpose of this review was to summarize the evidence supporting carrageenan subtypes' antiviral activity against the emerging severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2), the causative agent of COVID-19. Methods PubMed/MEDLINE and Google Scholar searches were conducted for publications using the terms 'carrageenan', 'iota carrageenan', 'kappa carrageenan', lambda-carrageenan', 'coronavirus', 'common cold', 'rhinovirus', and 'SARS-CoV-2' search was also done in grey literature to increase our understanding. A search for the word "carrageenan" was also carried out. Most of the publications were discussed in narrative. Results Carrageenan has been shown to have potent antiviral activity against both coronaviruses (coronavirus NL63, SARS-CoV-2) and non-coronaviruses such as dengue virus, herpes simplex virus, cytomegalovirus, vaccinia virus, vesicular stomatitis virus, sindbis virus, human immunodeficiency virus, influenza virus, human papillomavirus, rabies virus, junin virus, tacaribe virus, African swine fever, bovine herpes virus, suid herpes virus, and rhinovirus. No in vivo study has been conducted using carrageenan as an anti-SARS-CoV-2 agent. The majority of the in vivo research was done on influenza, a respiratory virus that causes common cold together with coronavirus. Thus, various clinical trials were conducted to determine the transferability of these in vitro data to clinical effectiveness against SARS-CoV-2. When combined with oral ivermectin, nasally administered iota-carrageenan improved outcome in COVID-19 patients. It is still being tested in clinics for single-dose administration. Conclusion Though the carrageenan exhibited potent antiviral activity against SARS-CoV-2 and was used to treat COVID-19 under emergency protocol in conjunction with oral medications such as ivermectin, there is no solid evidence from clinical trials to support its efficacy. Thus, clinical trials are required to assess its efficacy for COVID-19 treatment prior to broad application.
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Sun Y, Chen X, Liu H, Liu S, Yu H, Wang X, Qin Y, Li P. Preparation of New Sargassum fusiforme Polysaccharide Long-Chain Alkyl Group Nanomicelles and Their Antiviral Properties against ALV-J. Molecules 2021; 26:3265. [PMID: 34071584 PMCID: PMC8199121 DOI: 10.3390/molecules26113265] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 05/17/2021] [Accepted: 05/24/2021] [Indexed: 02/08/2023] Open
Abstract
Avian leukosis virus subgroup J (ALV-J) is an immunosuppressive virus which has caused heavy losses to the poultry breeding industry. Currently, there is no effective medicine to treat this virus. In our previous experiments, the low-molecular-weight Sargassum fusiforme polysaccharide (SFP) was proven to possess antiviral activity against ALV-J, but its function was limited to the virus adsorption stage. In order to improve the antiviral activity of the SFP, in this study, three new SFP long-chain alkyl group nanomicelles (SFP-C12M, SFP-C14M and SFP-C16M) were prepared. The nanomicelles were characterized according to their physical and chemical properties. The nanomicelles were characterized by particle size, zeta potential, polydispersity index, critical micelle concentration and morphology. The results showed the particle sizes of the three nanomicelles were all approximately 200 nm and SFP-C14M and SFP-C16M were more stable than SFP-C12M. The newly prepared nanomicelles exhibited a better anti-ALV-J activity than the SFP, with SFP-C16M exhibiting the best antiviral effects in both the virus adsorption stage and the replication stage. The results of the giant unilamellar vesicle exposure experiment demonstrated that the new virucidal effect of the nanomicelles might be caused by damage to the phospholipid membrane of ALV-J. This study provides a potential idea for ALV-J prevention and development of other antiviral drugs.
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Affiliation(s)
- Yuhao Sun
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; (Y.S.); (H.L.); (S.L.); (H.Y.); (X.W.); (Y.Q.)
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China
| | - Xiaolin Chen
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; (Y.S.); (H.L.); (S.L.); (H.Y.); (X.W.); (Y.Q.)
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China
| | - Hong Liu
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; (Y.S.); (H.L.); (S.L.); (H.Y.); (X.W.); (Y.Q.)
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China
| | - Song Liu
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; (Y.S.); (H.L.); (S.L.); (H.Y.); (X.W.); (Y.Q.)
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China
| | - Huahua Yu
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; (Y.S.); (H.L.); (S.L.); (H.Y.); (X.W.); (Y.Q.)
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China
| | - Xueqin Wang
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; (Y.S.); (H.L.); (S.L.); (H.Y.); (X.W.); (Y.Q.)
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China
| | - Yukun Qin
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; (Y.S.); (H.L.); (S.L.); (H.Y.); (X.W.); (Y.Q.)
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China
| | - Pengcheng Li
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; (Y.S.); (H.L.); (S.L.); (H.Y.); (X.W.); (Y.Q.)
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China
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Monto AR, Li M, Wang X, Wijaya GYA, Shi T, Xiong Z, Yuan L, Jin W, Li J, Gao R. Recent developments in maintaining gel properties of surimi products under reduced salt conditions and use of additives. Crit Rev Food Sci Nutr 2021; 62:8518-8533. [PMID: 34047645 DOI: 10.1080/10408398.2021.1931024] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Salt is a necessary condition to produce a surimi product that is based on the gelation of salt-soluble myofibrillar proteins. Recently, there has been a growing concern among consumers to consume healthy foods due to the threat of several chronic diseases caused by an unhealthy diet. Methods of reducing salt content out of concern for health issues caused by excessive sodium intake may affect the gel properties of surimi, as can many health-oriented food additives. Several studies have investigated different strategies to improve the health characteristics of surimi products without decreasing gel properties. This review reports recent developments in this area and how the gel properties were successfully maintained under reduced-salt conditions and the use of additives. This review of recent studies presents a great deal of progress made in the health benefits of surimi and can be used as a reference for further development in the surimi product processing industry.
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Affiliation(s)
- Abdul Razak Monto
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Mengzhe Li
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Xin Wang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | | | - Tong Shi
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Zhiyu Xiong
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Li Yuan
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Wengang Jin
- Bio-resources Key Laboratory of Shaanxi Province, School of Biological Science and Engineering, Shaanxi University of Technology, Hanzhong, China
| | - Jianrong Li
- College of Food Science and Technology, Bohai University, Jinzhou, China
| | - Ruichang Gao
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China.,Bio-resources Key Laboratory of Shaanxi Province, School of Biological Science and Engineering, Shaanxi University of Technology, Hanzhong, China
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Module function analysis of a full-length κ-carrageenase from Pseudoalteromonas sp. ZDY3. Int J Biol Macromol 2021; 182:1473-1483. [PMID: 34019922 DOI: 10.1016/j.ijbiomac.2021.05.110] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 04/23/2021] [Accepted: 05/16/2021] [Indexed: 11/20/2022]
Abstract
κ-Carrageenan oligosaccharides with many excellent biological properties could be produced by κ-carrageenases selectively. In this study, based on the encoding gene of full length κ-carrageenase obtained from Pseudoalteromonas sp. ZDY3 and the reported mature secreted κ-carrageenase composed of 275 amino acid residues (N26-T300), CgkPZ_GH16 was expressed in E. coli, but no soluble active protein could be detected. Fortunately, the signal peptide of wild-type κ-carrageenase was recognized, and cleaved in the soluble and folding form in E. coli, the Km and kcat values of CgkPZ_SP_GH16 was 1.007 mg/mL and 362.8 s-1. By molecular dynamics simulations, it was showed that YjdB domain might affect the activity of κ-carrageenase. Due to the absence of mature processing modification system in E. coli, YjdB was remained in recombinant full length κ-carrageenase, and the lost catalytic efficiency of CgkPZ was compensated by expression level and thermal stability. Interestingly, CgkPZ_GH16_YjdB was expressed soluble without the signal peptide, which indicated that YjdB could contribute to the expression and folding of κ-carrageenase. These results provide new insight into the effects of different modules of κ-carrageenase on the expression and properties of enzyme.
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Jabeen M, Dutot M, Fagon R, Verrier B, Monge C. Seaweed Sulfated Polysaccharides against Respiratory Viral Infections. Pharmaceutics 2021; 13:733. [PMID: 34065660 PMCID: PMC8156470 DOI: 10.3390/pharmaceutics13050733] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 05/07/2021] [Accepted: 05/11/2021] [Indexed: 12/15/2022] Open
Abstract
Respiratory viral infections have been a leading cause of morbidity and mortality worldwide. Despite massive advancements in the virology field, no specific treatment exists for most respiratory viral infections. Approved therapies against respiratory viruses rely almost exclusively on synthetic drugs that have potential side effects, restricting their use. This review aims to present natural marine sulfated polysaccharides possessing promising antiviral activity against respiratory viruses that could be a safe alternative to synthetic broad-spectrum antiviral drugs. The antiviral properties of marine sulfated polysaccharides are presented according to their mechanism of action on different types and strains of respiratory viruses, and the potential limits of their use are discussed.
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Affiliation(s)
- Mehwish Jabeen
- Laboratory of Tissue Biology and Therapeutic Engineering, UMR5305 Centre National de la Recherche Scientifique/Université Claude Bernard Lyon 1, 7 Passage du Vercors, CEDEX 07, 69367 Lyon, France;
| | - Mélody Dutot
- Recherche & Développement, Yslab, 29000 Quimper, France; (M.D.); (R.F.)
| | - Roxane Fagon
- Recherche & Développement, Yslab, 29000 Quimper, France; (M.D.); (R.F.)
| | - Bernard Verrier
- Laboratory of Tissue Biology and Therapeutic Engineering, UMR5305 Centre National de la Recherche Scientifique/Université Claude Bernard Lyon 1, 7 Passage du Vercors, CEDEX 07, 69367 Lyon, France;
| | - Claire Monge
- Laboratory of Tissue Biology and Therapeutic Engineering, UMR5305 Centre National de la Recherche Scientifique/Université Claude Bernard Lyon 1, 7 Passage du Vercors, CEDEX 07, 69367 Lyon, France;
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Jiang JL, Zhang WZ, Ni WX, Shao JW. Insight on structure-property relationships of carrageenan from marine red algal: A review. Carbohydr Polym 2021; 257:117642. [DOI: 10.1016/j.carbpol.2021.117642] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 12/19/2020] [Accepted: 01/08/2021] [Indexed: 01/18/2023]
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Wang D, Wang J, Zeng R, Wu J, Michael SV, Qu W. The degradation activities for three seaweed polysaccharides of Shewanella sp. WPAGA9 isolated from deep-sea sediments. J Basic Microbiol 2021; 61:406-418. [PMID: 33729617 DOI: 10.1002/jobm.202000728] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 02/03/2021] [Accepted: 03/01/2021] [Indexed: 11/06/2022]
Abstract
Seaweed oligosaccharides possess great bioactivities. However, different microbial strains are required to degrade multiple polysaccharides due to their limited biodegradability, thereby increasing the cost and complexity of production. Shewanella sp. WPAGA9 was isolated from deep-sea sediments in this study. According to the genomic and biochemical analyses, the extracellular fermentation broth of WPAGA9 had versatile degradation abilities for three typical seaweed polysaccharides including agar, carrageenan, and alginate. The maximum enzyme activities of the extracellular fermentation broth of WPAGA9 were 71.63, 76.4, and 735.13 U/ml for the degradation of agar, alginate, and carrageenan, respectively. Moreover, multiple seaweed oligosaccharides can be produced by the extracellular fermentation broth of WPAGA9 under similar optimum conditions. Therefore, WPAGA9 can simultaneously degrade three types of seaweed polysaccharides under similar conditions, thereby greatly reducing the production cost of seaweed oligosaccharides. This finding indicates that Shewanella sp. WPAGA9 is an ideal biochemical tool for producing multiple active seaweed oligosaccharides at low costs and is also an important participant in the carbon cycle process of the deep-sea environment.
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Affiliation(s)
- Dingquan Wang
- Marine Science and Technology College, Zhejiang Ocean University, Zhoushan, China
| | - Jianxin Wang
- Marine Science and Technology College, Zhejiang Ocean University, Zhoushan, China
| | - Runying Zeng
- Technical Innovation Center for Utilization of Marine Biological Resources, Ministry of Natural Resources, Xiamen, China
| | - Jie Wu
- Technical Innovation Center for Utilization of Marine Biological Resources, Ministry of Natural Resources, Xiamen, China
| | - Shija V Michael
- Marine Science and Technology College, Zhejiang Ocean University, Zhoushan, China
| | - Wu Qu
- Marine Science and Technology College, Zhejiang Ocean University, Zhoushan, China
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Antiviral activity of lambda-carrageenan against influenza viruses and severe acute respiratory syndrome coronavirus 2. Sci Rep 2021; 11:821. [PMID: 33436985 PMCID: PMC7804421 DOI: 10.1038/s41598-020-80896-9] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 12/30/2020] [Indexed: 01/04/2023] Open
Abstract
Influenza virus and coronavirus, belonging to enveloped RNA viruses, are major causes of human respiratory diseases. The aim of this study was to investigate the broad spectrum antiviral activity of a naturally existing sulfated polysaccharide, lambda-carrageenan (λ-CGN), purified from marine red algae. Cell culture-based assays revealed that the macromolecule efficiently inhibited both influenza A and B viruses with EC50 values ranging from 0.3 to 1.4 μg/ml, as well as currently circulating severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) with an EC50 value of 0.9 ± 1.1 μg/ml. No toxicity to the host cells was observed at concentrations up to 300 μg/ml. Plaque titration and western blot analysis verified that λ-CGN reduced expression of viral proteins in cell lysates and suppressed progeny virus production in culture supernatants in a dose-dependent manner. This polyanionic compound exerts antiviral activity by targeting viral attachment to cell surface receptors and preventing virus entry. Moreover, its intranasal administration to mice during influenza A viral challenge not only alleviated infection-mediated reductions in body weight but also protected 60% of mice from virus-induced mortality. Thus, λ-CGN could be a promising antiviral agent for preventing infection with several respiratory viruses.
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Liu J, Obaidi I, Nagar S, Scalabrino G, Sheridan H. The antiviral potential of algal-derived macromolecules. CURRENT RESEARCH IN BIOTECHNOLOGY 2021. [DOI: 10.1016/j.crbiot.2021.04.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
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Hans N, Malik A, Naik S. Antiviral activity of sulfated polysaccharides from marine algae and its application in combating COVID-19: Mini review. ACTA ACUST UNITED AC 2020; 13:100623. [PMID: 33521606 PMCID: PMC7836841 DOI: 10.1016/j.biteb.2020.100623] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Revised: 12/20/2020] [Accepted: 12/21/2020] [Indexed: 12/22/2022]
Abstract
Marine-derived sulfated polysaccharides possess various antiviral activities against a broad range of enveloped and non-enveloped viruses. It has become the potential source of antiviral drugs for pharmaceutical development. In this review, we will discuss the different types of sulfated polysaccharides and their structural classification. Some of the major sulfated polysaccharides with potent antiviral activity, including carrageenan, agar, ulvan, fucoidan, and alginates, are considered in this review. The mechanism of these sulfated polysaccharides in inhibiting the different stages of the viral infection process inside the host cell is also demonstrated. It involves blocking the initial entry of the virus or inhibiting its transcription and translation by modulating the immune response of the host cell. In addition, we explore the potential of sulfated polysaccharides as antiviral agents in preventing recent Corona Virus Disease-2019 (COVID-19).
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Affiliation(s)
- Nidhi Hans
- Centre for Rural Development and Technology, Indian Institute of Technology Delhi, New Delhi, India
| | - Anushree Malik
- Centre for Rural Development and Technology, Indian Institute of Technology Delhi, New Delhi, India
| | - Satyanarayan Naik
- Centre for Rural Development and Technology, Indian Institute of Technology Delhi, New Delhi, India
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Fermentation optimization, purification and biochemical characterization of ι-carrageenase from marine bacterium Cellulophaga baltica. Int J Biol Macromol 2020; 166:789-797. [PMID: 33157133 DOI: 10.1016/j.ijbiomac.2020.10.236] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 08/11/2020] [Accepted: 10/30/2020] [Indexed: 01/19/2023]
Abstract
The ι-carrageenan degrading marine bacterium, Cellulophaga baltica, was isolated from the surface of a filamentous red alga Vertebrata fucoides. Maximum ι-carrageenase production was optimized by single-factor experiments. Optimal fermentation conditions were 1.6 g/L furcellaran, 4 g/L yeast extract as carbon sources, 5 g/L sea salt, and 48 h of incubation time at 20 °C. Extracellular ι-carrageenase from the culture supernatant was purified by ultrafiltration, ammonium sulfate precipitation, and finally by anion-exchange chromatography, showed a 26-fold increase in specific activity as compared to that in the crude enzyme. According to the results from SDS-PAGE and HPLC-SEC, the molecular weight of the purified enzyme was estimated to be 31 kDa. The purified enzyme showed the maximum specific activity of 571 U/mg at 40 °C and pH 7.5-8.0. It maintained 73% of the total activity below 40 °C and 90% of its total activity at pH 7.2. Notably, the enzyme is a cold-adapted ι-carrageenase, which showed 33.4% of the maximum activity at 10 °C. The enzyme was stimulated by Na+, K+, and NH4+, whereas Ca2+, Mg2+, Fe3+, sea salt, and EDTA acted as enzyme inhibitors.
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Gattani A, Kumar A, Agrawal A, Khan MH, Mahawar M, Bag S, Rajak KK, Singh RK, Singh P. An electrochemical impedance sensor for monitoring of gallic acid inhibited neuraminidase activity of PPR HN protein. Microchem J 2020. [DOI: 10.1016/j.microc.2020.105229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Dong M, Jiang Y, Wang C, Yang Q, Jiang X, Zhu C. Determination of the Extraction, Physicochemical Characterization, and Digestibility of Sulfated Polysaccharides in Seaweed- Porphyra haitanensis. Mar Drugs 2020; 18:md18110539. [PMID: 33126712 PMCID: PMC7694159 DOI: 10.3390/md18110539] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 10/22/2020] [Accepted: 10/26/2020] [Indexed: 12/18/2022] Open
Abstract
The aim of the study was to extract Porphyra haitanensis polysaccharides (PHPs) using the water extraction and alcohol precipitation methods and explore their antioxidant activity and physicochemical properties. The single-factor and Box-Behnken response surface methodologies were used to optimize the extraction of polysaccharides from Porphyra haitanensis. Our results showed that the polysaccharide yield was as high as 20.48% with a raw material to water ratio of 0.04, and extraction time of 3 h at 80 °C. The extraction rate observed was similar to the actual extraction rate, thus proving the reliability of the optimization model. The extracted polysaccharides primarily consisted of galactose, glucose, and fucose in the molar ratio 76.2:2.1:1, respectively. The high performance gel permeation chromatography (HPGPC) results showed that the molecular weight of the PHPs obtained was 6.3 × 105 Da, and the sulfate content was 2.7 mg/mL. Fourier infrared spectroscopy was used to analyze the functional groups and structures of the polysaccharides. The effect of concentration, temperature, and pH on the apparent viscosity of the PHPs solution were studied using rheology experiments, which revealed that PHPs were a “non-Newtonian fluid” with shear-thinning behavior. The viscosity of the PHPs gradually increased with increasing sugar concentration, and decreased with increasing temperature, acidity, and alkalinity. Detection of the antioxidant activity of OH*, DPPH*, and ABTS* revealed that the scavenging activity of ABTS* was higher than that of OH* and DPPH* in the concentration range of 1–5 mg/mL. In the experiments of simulating gastric juice and alpha amylase in vitro, it was found that PHPs can better resist digestion of alpha amylase, and have better resistance than fructooligosaccharide (FOS), so PHPs have potential prebiotic activity. These findings demonstrate the potential of PHPs for use in the food and cosmetic industries.
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Zhao D, Jiang B, Zhang Y, Sun W, Pu Z, Bao Y. Purification and characterization of a cold-adapted κ-carrageenase from Pseudoalteromonas sp. ZDY3. Protein Expr Purif 2020; 178:105768. [PMID: 33035660 DOI: 10.1016/j.pep.2020.105768] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2020] [Revised: 09/26/2020] [Accepted: 09/28/2020] [Indexed: 12/27/2022]
Abstract
κ-Carrageenase (EC3.2.1.83) is a class of glycoside hydrolase, which can be used for hydrolysis of κ-carrageenan to κ-carrageenan oligosaccharides. In this study, a bacterium, identified as Pseudoalteromonas sp. ZDY3 isolated from rotten algae, was capable to degrade κ-carrageenan. The κ-carrageenase produced by Pseudoalteromonas sp. ZDY3 was purified to homogeneity and named as CgkZDY3. The accurate molecular mass of CgkZDY3 was determined through LC-HRMS, and a posttranslational removal of C-terminal end of the protein was discovered. CgkZDY3 had strict hydrolysis specificity to κ-carrageenan, the values of Km and kcat/Km of CgkZDY3 were 3.67 mg mL-1 and 53.0 mL mg-1 s-1, respectively. CgkZDY3 was a cold-adapted κ-carrageenase with excellent storage stability of both the temperature below 35 °C and a wide pH range, and was an endo-type κ-carrageenase with high hydrolysis rate, oligosaccharides with different degrees of polymerization can be obtained by controlling the hydrolysis time, and the final products were κ-neocarrabiose and κ-neocarratetraose. These properties are of great significance for production of κ-carrageenan oligosaccharides with different polymerization degrees under process control.
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Affiliation(s)
- Dongying Zhao
- School of Bioengineering, Dalian University of Technology, Dalian, 116024, China
| | - Bo Jiang
- School of Bioengineering, Dalian University of Technology, Dalian, 116024, China.
| | - Yue Zhang
- School of Bioengineering, Dalian University of Technology, Dalian, 116024, China
| | - Wenhui Sun
- School of Bioengineering, Dalian University of Technology, Dalian, 116024, China
| | - Zhongji Pu
- School of Bioengineering, Dalian University of Technology, Dalian, 116024, China
| | - Yongming Bao
- School of Bioengineering, Dalian University of Technology, Dalian, 116024, China; School of Ocean Science and Technology, Dalian University of Technology, Panjin, 124221, China.
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Lee BW, Ha TKQ, Cho HM, An JP, Kim SK, Kim CS, Kim E, Oh WK. Antiviral activity of furanocoumarins isolated from Angelica dahurica against influenza a viruses H1N1 and H9N2. JOURNAL OF ETHNOPHARMACOLOGY 2020; 259:112945. [PMID: 32389854 DOI: 10.1016/j.jep.2020.112945] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Revised: 04/16/2020] [Accepted: 05/01/2020] [Indexed: 05/25/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Angelica dahurica (Hoffm.) Benth. & Hook.f. ex Franch. & Sav. (Umbelliferae family) is an herbaceous, perennial plant native to northern and eastern Asia. The root of A. dahurica has traditionally been used under the name "Bai Zhi" as a medicinal plant for colds, dizziness, ulcers, and rheumatism. Moreover, it is also an important ingredient of various prescriptions, such as Gumiganghwal-Tang, for the common cold and influenza. AIM OF THE STUDY Even though various biological activities of the root of A. dahurica have been reported along with its chemical components, the detailed mechanism of how it exerts anti-influenza activity at the compound level has not been studied. Therefore, we investigated the anti-influenza properties of furanocoumarins purified by bioactivity-guided isolation. MATERIALS AND METHODS Bioactivity-guided isolation from a 70% EtOH extract of the root of A. dahurica was performed to produce four active furanocoumarins. The inhibition of cytopathic effects (CPEs) was evaluated to ascertain the antiviral activity of these compounds against influenza A (H1N1 and H9N2) viruses. The most potent compound was subjected to detailed mechanistic studies such as the inhibition of viral protein synthesis, CPE inhibition in different phases of the viral replication cycle, neuraminidase (NA) inhibition, antiapoptotic activity using flow cytometry, and immunofluorescence. RESULTS The bioactivity-guided isolation produced four active furanocoumarins, isoimperatorin (1), oxypeucedanin (2), oxypeucedanin hydrate (3) and imperatorin (4) from the n-BuOH fraction. Among them, compound 2 (followed by compounds 1, 4 and 3) showed a significant CPE inhibition effect, which was stronger than that of the positive control ribavirin, against both H1N1 and H9N2 with an EC50 (μM) of 5.98 ± 0.71 and 4.52 ± 0.39, respectively. Compound 2 inhibited the synthesis of NA and nucleoprotein (NP) in a dose-dependent manner. In the time course assays, the cytopathic effects of influenza A-infected MDCK cells were reduced by 80-90% when treated with compound 2 for 1 and 2 h after infection and declined drastically 3 h after infection. The level of viral NA and NP production was markedly reduced to less than 20% for both proteins in compound 2 (20 μM)-treated cells compared to untreated cells at 2 h after infection. In the molecular docking analysis, compound 2 showed a stronger binding affinity for the C-terminus of polymerase acidic protein (PAC; -36.28 kcal/mol) than the other two polymerase subunits. Compound 2 also exerted an antiapoptotic effect on virus infected cells and significantly inhibited the mRNA expression of caspase-3 and Bax. CONCLUSION Our results suggest that compound 2 might exert anti-influenza A activity via the inhibition of the early phase of the viral replication cycle, not direct neutralization of surface proteins, such as hemagglutinin and NA, and abnormal apoptosis induced by virus infection. Taken together, these findings suggest that furanocoumarins predominant in A. dahurica play a pivotal role in its antiviral activity. These findings can also explain the reasons for the ethnopharmacological uses of this plant as an important ingredient in many antiviral prescriptions in traditional Chinese medicine (TCM).
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Affiliation(s)
- Ba Wool Lee
- Korea Bioactive Natural Material Bank, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, 08826, Republic of Korea
| | - Thi Kim Quy Ha
- Korea Bioactive Natural Material Bank, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, 08826, Republic of Korea; College of Natural Sciences, Cantho University, Campus II, Cantho City, Viet Nam
| | - Hyo Moon Cho
- Korea Bioactive Natural Material Bank, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, 08826, Republic of Korea
| | - Jin-Pyo An
- Korea Bioactive Natural Material Bank, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, 08826, Republic of Korea
| | - Seong Kyun Kim
- Choong Ang Vaccine Laboratory, 1476-37, Yuseong-daero, Yuseong-gu, Daejeon, 34055, Republic of Korea
| | - Choong-Sik Kim
- Choong Ang Vaccine Laboratory, 1476-37, Yuseong-daero, Yuseong-gu, Daejeon, 34055, Republic of Korea
| | - Eunhee Kim
- Choong Ang Vaccine Laboratory, 1476-37, Yuseong-daero, Yuseong-gu, Daejeon, 34055, Republic of Korea
| | - Won Keun Oh
- Korea Bioactive Natural Material Bank, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, 08826, Republic of Korea.
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Rosales-Mendoza S, García-Silva I, González-Ortega O, Sandoval-Vargas JM, Malla A, Vimolmangkang S. The Potential of Algal Biotechnology to Produce Antiviral Compounds and Biopharmaceuticals. Molecules 2020; 25:E4049. [PMID: 32899754 PMCID: PMC7571207 DOI: 10.3390/molecules25184049] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 08/31/2020] [Accepted: 09/01/2020] [Indexed: 02/08/2023] Open
Abstract
The emergence of the Coronavirus Disease 2019 (COVID-19) caused by the SARS-CoV-2 virus has led to an unprecedented pandemic, which demands urgent development of antiviral drugs and antibodies; as well as prophylactic approaches, namely vaccines. Algae biotechnology has much to offer in this scenario given the diversity of such organisms, which are a valuable source of antiviral and anti-inflammatory compounds that can also be used to produce vaccines and antibodies. Antivirals with possible activity against SARS-CoV-2 are summarized, based on previously reported activity against Coronaviruses or other enveloped or respiratory viruses. Moreover, the potential of algae-derived anti-inflammatory compounds to treat severe cases of COVID-19 is contemplated. The scenario of producing biopharmaceuticals in recombinant algae is presented and the cases of algae-made vaccines targeting viral diseases is highlighted as valuable references for the development of anti-SARS-CoV-2 vaccines. Successful cases in the production of functional antibodies are described. Perspectives on how specific algae species and genetic engineering techniques can be applied for the production of anti-viral compounds antibodies and vaccines against SARS-CoV-2 are provided.
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Affiliation(s)
- Sergio Rosales-Mendoza
- Laboratorio de Biofarmacéuticos Recombinantes, Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, Av. Dr. Manuel Nava 6, San Luis Potosí 78210, Mexico; (I.G.-S.); (O.G.-O.); (J.M.S.-V.)
- Sección de Biotecnología, Centro de Investigación en Ciencias de la Salud y Biomedicina, Universidad Autónoma de San Luis Potosí, Av. Sierra Leona 550, Lomas 2. Sección, San Luis Potosí 78210, Mexico
| | - Ileana García-Silva
- Laboratorio de Biofarmacéuticos Recombinantes, Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, Av. Dr. Manuel Nava 6, San Luis Potosí 78210, Mexico; (I.G.-S.); (O.G.-O.); (J.M.S.-V.)
- Sección de Biotecnología, Centro de Investigación en Ciencias de la Salud y Biomedicina, Universidad Autónoma de San Luis Potosí, Av. Sierra Leona 550, Lomas 2. Sección, San Luis Potosí 78210, Mexico
| | - Omar González-Ortega
- Laboratorio de Biofarmacéuticos Recombinantes, Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, Av. Dr. Manuel Nava 6, San Luis Potosí 78210, Mexico; (I.G.-S.); (O.G.-O.); (J.M.S.-V.)
| | - José M. Sandoval-Vargas
- Laboratorio de Biofarmacéuticos Recombinantes, Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, Av. Dr. Manuel Nava 6, San Luis Potosí 78210, Mexico; (I.G.-S.); (O.G.-O.); (J.M.S.-V.)
- Sección de Biotecnología, Centro de Investigación en Ciencias de la Salud y Biomedicina, Universidad Autónoma de San Luis Potosí, Av. Sierra Leona 550, Lomas 2. Sección, San Luis Potosí 78210, Mexico
| | - Ashwini Malla
- Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand;
- Research Unit for Plant-Produced Pharmaceuticals, Chulalongkorn University, Bangkok 10330, Thailand
| | - Sornkanok Vimolmangkang
- Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand;
- Research Unit for Plant-Produced Pharmaceuticals, Chulalongkorn University, Bangkok 10330, Thailand
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Lee C. Carrageenans as Broad-Spectrum Microbicides: Current Status and Challenges. Mar Drugs 2020; 18:md18090435. [PMID: 32825645 PMCID: PMC7551811 DOI: 10.3390/md18090435] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2020] [Revised: 08/09/2020] [Accepted: 08/18/2020] [Indexed: 01/08/2023] Open
Abstract
Different kinds of red algae are enriched with chemically diverse carbohydrates. In particular, a group of sulfated polysaccharides, which were isolated from the cell walls of red algae, gained a large amount of attention due to their broad-spectrum antimicrobial activities. Within that group, carrageenans (CGs) were expected to be the first clinically applicable microbicides that could prevent various viral infections due to their superior antiviral potency and desirable safety profiles in subclinical studies. However, their anticipated beneficial effects could not be validated in human studies. To assess the value of a second attempt at pharmacologically developing CGs as a new class of preventive microbicides, all preclinical and clinical development processes of CG-based microbicides need to be thoroughly re-evaluated. In this review, the in vitro toxicities; in vivo safety profiles; and in vitro, ex vivo, and in vivo antiviral activities of CGs are summarized according to the study volume of their target viruses, which include human immunodeficiency virus, herpesviruses, respiratory viruses, human papillomavirus, dengue virus, and other viruses along with a description of their antiviral modes of action and development of antiviral resistance. This evaluation of the strengths and weaknesses of CGs will help provide future research directions that may lead to the successful development of CG-based antimicrobial prophylactics.
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Affiliation(s)
- Choongho Lee
- College of Pharmacy, Dongguk University, Goyang 10326, Korea
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45
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Guo C, Zhu Z, Yu P, Zhang X, Dong W, Wang X, Chen Y, Liu X. Inhibitory effect of iota-carrageenan on porcine reproductive and respiratory syndrome virus in vitro. Antivir Ther 2020; 24:261-270. [PMID: 30747721 DOI: 10.3851/imp3295] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/22/2019] [Indexed: 10/27/2022]
Abstract
BACKGROUND Porcine reproductive and respiratory syndrome virus (PRRSV) is an economically important pathogen and causes significant economic losses to the swine industry worldwide each year. Current vaccination strategies do not effectively prevent and control the virus. Consequently, it is necessary to develop novel antiviral strategies. Carrageenan, extracted from marine red algae, exhibits anti-coagulant, anti-tumour, anti-virus and immunomodulatory activities. METHODS We investigate the inhibitory effect of iota-carrageenan (CG) on PRRSV strain CH-1a via antiviral assay and viral binding, entry and release assays. RESULTS We found that CG effectively inhibited CH-1a replication at mRNA and protein levels in both Marc-145 cells and porcine alveolar macrophages (PAMs). The antiviral activity of CG occurred during viral attachment and entry in virus life cycle. In addition, CG suppressed viral release in Marc-145 cells, as well as blocked CH-1a-induced apoptosis during the late period of infection. Furthermore, CG inhibited CH-1a-induced NF-κB activation, thus interfering with cytokine production in Marc-145 cells and PAMs, which contributes to its anti-PRRSV activity. CONCLUSIONS Taken together, our data imply that CG might be an ideal candidate that is worthwhile developing into a new anti-PRRSV prophylactic and therapeutic drug.
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Affiliation(s)
- Chunhe Guo
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou Higher Education Mega Center, Guangzhou, PR China
| | - Zhenbang Zhu
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou Higher Education Mega Center, Guangzhou, PR China
| | - Piao Yu
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou Higher Education Mega Center, Guangzhou, PR China
| | - Xiaoxiao Zhang
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou Higher Education Mega Center, Guangzhou, PR China
| | - Wenjuan Dong
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou Higher Education Mega Center, Guangzhou, PR China
| | - Xiaoying Wang
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou Higher Education Mega Center, Guangzhou, PR China
| | - Yaosheng Chen
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou Higher Education Mega Center, Guangzhou, PR China
| | - Xiaohong Liu
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou Higher Education Mega Center, Guangzhou, PR China
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46
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Wu G, Yu G, Yu Y, Yang S, Duan Z, Wang W, Liu Y, Yu R, Li J, Zhu T, Gu Q, Li D. Chemoreactive-Inspired Discovery of Influenza A Virus Dual Inhibitor to Block Hemagglutinin-Mediated Adsorption and Membrane Fusion. J Med Chem 2020; 63:6924-6940. [PMID: 32520560 DOI: 10.1021/acs.jmedchem.0c00312] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Owing to the emergence of drug resistance and high morbidity and mortality, the need for novel anti-influenza A virus (IAV) drugs with divergent targets is highly sought after. Herein, we reveal the discovery of an anti-IAV agent as a dual inhibitor to block hemagglutinin-mediated adsorption and membrane fusion using a chemoreactive ortho-quinone methide (o-QM) equivalent. Based on the o-QM equivalent nonenzymatically multipotent behavior, we created a series of clavatol-derived pseudo-natural products and found that penindolone (PND), a new diclavatol indole adduct, exhibited potent and broad-spectrum anti-IAV activities with low risk of inducing drug resistance. Distinct from current anti-IAV drugs, PND possesses a novel scaffold and is the first IAV inhibitor targeting both HA1 and HA2 subunits of virus hemagglutinin to dually block the IAV adsorption and membrane fusion process. More importantly, intranasal and oral administration of PND can protect mice against IAV-induced death and weight loss, superior to the effects of the clinical drug oseltamivir. Thus, the use of chemoreactive intermediates could expand our understanding of chemical diversity and aid in the development of anti-IAV drugs with novel targets.
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Affiliation(s)
- Guangwei Wu
- Key Laboratory of Marine Drugs, Chinese Ministry of Education; School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao 26003, Shandong, P. R. China
| | - Guihong Yu
- Key Laboratory of Marine Drugs, Chinese Ministry of Education; School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao 26003, Shandong, P. R. China
| | - Yunjia Yu
- Key Laboratory of Marine Drugs, Chinese Ministry of Education; School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao 26003, Shandong, P. R. China
| | - Shuang Yang
- Key Laboratory of Marine Drugs, Chinese Ministry of Education; School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao 26003, Shandong, P. R. China
| | - Zhongwei Duan
- Key Laboratory of Marine Drugs, Chinese Ministry of Education; School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao 26003, Shandong, P. R. China
| | - Wei Wang
- Key Laboratory of Marine Drugs, Chinese Ministry of Education; School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao 26003, Shandong, P. R. China.,Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology, Qingdao 266200, People's Republic of China
| | - Yankai Liu
- Key Laboratory of Marine Drugs, Chinese Ministry of Education; School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao 26003, Shandong, P. R. China
| | - Rilei Yu
- Key Laboratory of Marine Drugs, Chinese Ministry of Education; School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao 26003, Shandong, P. R. China
| | - Jing Li
- Key Laboratory of Marine Drugs, Chinese Ministry of Education; School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao 26003, Shandong, P. R. China
| | - Tianjiao Zhu
- Key Laboratory of Marine Drugs, Chinese Ministry of Education; School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao 26003, Shandong, P. R. China
| | - Qianqun Gu
- Key Laboratory of Marine Drugs, Chinese Ministry of Education; School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao 26003, Shandong, P. R. China
| | - Dehai Li
- Key Laboratory of Marine Drugs, Chinese Ministry of Education; School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao 26003, Shandong, P. R. China.,Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology, Qingdao 266200, People's Republic of China
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47
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Dev Kumar G, Mishra A, Dunn L, Townsend A, Oguadinma IC, Bright KR, Gerba CP. Biocides and Novel Antimicrobial Agents for the Mitigation of Coronaviruses. Front Microbiol 2020; 11:1351. [PMID: 32655532 PMCID: PMC7324725 DOI: 10.3389/fmicb.2020.01351] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Accepted: 05/26/2020] [Indexed: 12/18/2022] Open
Abstract
In December, 2019, a highly infectious and rapidly spreading new pneumonia of unknown cause was reported to the Chinese WHO Country Office. A cluster of these cases had appeared in Wuhan, a city in the Hubei Province of China. These infections were found to be caused by a new coronavirus which was given the name "2019 novel coronavirus" (2019-nCoV). It was later renamed "severe acute respiratory syndrome coronavirus 2," or SARS-CoV-2 by the International Committee on Taxonomy of Viruses on February 11, 2020. It was named SARS-CoV-2 due to its close genetic similarity to the coronavirus which caused the SARS outbreak in 2002 (SARS-CoV-1). The aim of this review is to provide information, primarily to the food industry, regarding a range of biocides effective in eliminating or reducing the presence of coronaviruses from fomites, skin, oral/nasal mucosa, air, and food contact surfaces. As several EPA approved sanitizers against SARS-CoV-2 are commonly used by food processors, these compounds are primarily discussed as much of the industry already has them on site and is familiar with their application and use. Specifically, we focused on the effects of alcohols, povidone iodine, quaternary ammonium compounds, hydrogen peroxide, sodium hypochlorite (NaOCl), peroxyacetic acid (PAA), chlorine dioxide, ozone, ultraviolet light, metals, and plant-based antimicrobials. This review highlights the differences in the resistance or susceptibility of different strains of coronaviruses, or similar viruses, to these antimicrobial agents.
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Affiliation(s)
| | - Abhinav Mishra
- Department of Food Science and Technology, The University of Georgia, Athens, GA, United States
| | - Laurel Dunn
- Department of Food Science and Technology, The University of Georgia, Athens, GA, United States
| | - Anna Townsend
- Department of Food Science and Technology, The University of Georgia, Athens, GA, United States
| | | | - Kelly R. Bright
- Department of Soil, Water and Environmental Science, University of Arizona, Tucson, AZ, United States
| | - Charles P. Gerba
- Department of Soil, Water and Environmental Science, University of Arizona, Tucson, AZ, United States
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Abstract
Introduction:
The common cold syndrome of acute upper respiratory tract viral infection is the most common disease among mankind and is an extremely common illness in children. There is a great need for a safe and effective antiviral treatment with minimal side effects. The challenge in developing a treatment is the numerous and varied respiratory viruses that cause this common illness and the need for a treatment with good tolerability and safety.
Explanation:
All respiratory viruses must reach the cell surface by passing through respiratory fluid and mucus, and this common feature may allow for the development of antivirals that capture viruses during this transit.
This article discusses how large polyanionic molecules such as iota-carrageenan may trap positively charged respiratory viruses. Iota-carrageenan is a large polysaccharide molecule which is neither absorbed from the respiratory tract nor metabolised. It, therefore, does not have any pharmacological properties. Iota-carrageenan nasal spray has been shown to reduce the titres of respiratory viruses and to reduce the severity of symptoms in placebo-controlled clinical trials, including children and adults. The results of four clinical trials are presented.
Conclusion:
Iota-carrageenan is a good candidate as a safe and effective non-specific antiviral treatment for common cold, and more research is justified on polyanionic molecules like carrageenans as antivirals.
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49
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Zhu B, Ni F, Xiong Q, Yao Z. Marine oligosaccharides originated from seaweeds: Source, preparation, structure, physiological activity and applications. Crit Rev Food Sci Nutr 2020; 61:60-74. [PMID: 31968996 DOI: 10.1080/10408398.2020.1716207] [Citation(s) in RCA: 63] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Marine polysaccharides originated from seaweeds, including agar, alginate, carrageenan, and fucoidan, possess various kinds of physiological activities and have been widely used in food, agricultural and medical areas. However, the application has been greatly limited by their poor solubility and low bioavailability. Thus marine oligosaccharides, as the degradation products of those polysaccharides, have drawn increasing attentions due to their obvious biological activities, good solubility and excellent bioavailability. This review will summarize the recent advances on the source, molecular structure and physiological activity of marine oligosaccharides, emphasizing their application as functional food additives. Furthermore, the relationship between the structure and the physiological activity of marine oligosaccharides is also elucidated and highlighted. The review concludes with an outlook toward potential applications for preparing the functional oligosaccharides in food biotechnology and agriculture fields.
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Affiliation(s)
- Benwei Zhu
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, P R China
| | - Fang Ni
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, P R China
| | - Qiang Xiong
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, P R China
| | - Zhong Yao
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, P R China
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50
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Wang W, Xu C, Zhang J, Wang J, Yu R, Wang D, Yin R, Li W, Jiang T. Guanidine modifications enhance the anti-herpes simplex virus activity of (E,E)-4,6-bis(styryl)-pyrimidine derivatives in vitro and in vivo. Br J Pharmacol 2020; 177:1568-1588. [PMID: 31709511 DOI: 10.1111/bph.14918] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2019] [Revised: 10/03/2019] [Accepted: 10/24/2019] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND AND PURPOSE The worldwide prevalence of herpes simplex virus (HSV) and shortage of efficient therapeutic strategies to counteract it are global concerns. In terms of treatment, the widely utilized anti-HSV drugs such as acyclovir have serious limitations, for example, drug resistance and side effects. Here, we have identified the guanidine-modified (E,E)-4,6-bis(styryl)-pyrimidine (BS-pyrimidine) derivative compound 5d as an inhibitor of HSV and further elucidated the anti-HSV mechanisms of compound 5d both in vitro and in vivo. EXPERIMENTAL APPROACH Cytopathic effect inhibition assay, plaque assay, and immunofluorescence assay were used to evaluate the anti-HSV effects of compound 5d in vitro. Membrane fusion assays, immunofluorescence assays, Western blotting assays, and pull-down assays were used to explore the anti-HSV mechanisms of compound 5d. HSV-1-infected mice, combined with haematoxylin-eosin staining and quantitative RT-PCR, were used to study the anti-HSV effects of compound 5d in vivo. KEY RESULTS The guanidine-modified compound 5d rather than the un-modified compound 3a effectively inhibited both HSV-1 and HSV-2 multiplication in different cell lines, more effectively than acyclovir. Compound 5d may block virus binding and post-binding processes such as membrane fusion, by targeting virus gB protein. In addition, compound 5d may also down-regulate the cellular PI3K/Akt signalling pathway to interfere with HSV replication. Treatment with compound 5d also markedly improved survival and decreased viral titres in HSV-infected mice. CONCLUSIONS AND IMPLICATIONS Thus, the guanidine-modified BS-pyrimidine derivatives have the potential to be developed into novel anti-HSV agents targeting both virus gB protein and cellular PI3K/Akt signalling pathways.
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Affiliation(s)
- Wei Wang
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China.,Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Cuijing Xu
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China
| | - Jianqiang Zhang
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China
| | - Jinpeng Wang
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China
| | - Rilei Yu
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China.,Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Dongping Wang
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China
| | - Ruijuan Yin
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China
| | - Wenmiao Li
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China
| | - Tao Jiang
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China.,Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
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