Inhibitory activities of marine sulfated polysaccharides against SARS-CoV-2

Song et al., Food & Function, doi:10.1039/D0FO02017F, Aug 2020

https://c19early.org/song.html

In Vitro study showing significant antiviral activity of marine sulfated polysaccharides iota-carrageenan, sea cucumber sulfated polysaccharide, and fucoidan.

15 preclinical studies support the efficacy of iota-carrageenan for COVID-19:

4 In Silico studies1-4

11 In Vitro studies3,5-14

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1. Rohilla et al., Algae Polysaccharides (Carrageenan and Alginate)—A Treasure-Trove of Antiviral Compounds: An In Silico Approach to Identify Potential Candidates for Inhibition of S1-RBD Spike Protein of SARS-CoV-2, Stresses, doi:10.3390/stresses3030039.mdpi.com, doi.org.

2. Thet, H., The potential of carrageenan for the drug discovery of COVID-19 via molecular docking with angiotensin-converting enzyme 2 (ACE2) and the main protease (Mpro) of SARS-CoV-2, Journal of Bioinformatics and Genomics, doi:10.18454/jbg.2022.18.2.001.journal-biogen.org, doi.org.

3. Alsaidi et al., Griffithsin and Carrageenan Combination Results in Antiviral Synergy against SARS-CoV-1 and 2 in a Pseudoviral Model, Marine Drugs, doi:10.3390/md19080418.mdpi.com, doi.org.

4. Sattari et al., Repositioning Therapeutics for COVID-19: Virtual Screening of the Potent Synthetic and Natural Compounds as SARS-CoV-2 3CLpro Inhibitors, Research Square, doi:10.21203/rs.3.rs-37994/v1.researchsquare.com, doi.org.

5. Yathindranath et al., Lipid Nanoparticle-Based Inhibitors for SARS-CoV-2 Host Cell Infection, International Journal of Nanomedicine, doi:10.2147/IJN.S448005.dovepress.com, doi.org.

6. Setz et al., Iota-Carrageenan Inhibits Replication of the SARS-CoV-2 Variants of Concern Omicron BA.1, BA.2 and BA.5, Nutraceuticals, doi:10.3390/nutraceuticals3030025.mdpi.com, doi.org.

7. Meister et al., Virucidal activity of nasal sprays against severe acute respiratory syndrome coronavirus-2, Journal of Hospital Infection, doi:10.1016/j.jhin.2021.10.019.sciencedirect.com, doi.org.

8. Bovard et al., Iota-carrageenan extracted from red algae is a potent inhibitor of SARS-CoV-2 infection in reconstituted human airway epithelia, Biochemistry and Biophysics Reports, doi:10.1016/j.bbrep.2021.101187.sciencedirect.com, doi.org.

9. Fröba et al., Iota-Carrageenan Inhibits Replication of SARS-CoV-2 and the Respective Variants of Concern Alpha, Beta, Gamma and Delta, International Journal of Molecular Sciences, doi:10.3390/ijms222413202.mdpi.com, doi.org.

10. Varese et al., Iota-carrageenan prevents the replication of SARS-CoV-2 on an in vitro respiratory epithelium model, bioRxiv, doi:10.1101/2021.04.27.441512.biorxiv.org, doi.org.

11. Morokutti-Kurz et al., Iota-carrageenan neutralizes SARS-CoV-2 and inhibits viral replication in vitro, PLoS ONE, doi:10.1371/journal.pone.0237480.plos.org, doi.org.

12. Song et al., Inhibitory activities of marine sulfated polysaccharides against SARS-CoV-2, Food & Function, doi:10.1039/D0FO02017F.rsc.org, doi.org.

13. Bansal et al., Iota-carrageenan and xylitol inhibit SARS-CoV-2 in Vero cell culture, PLoS ONE, doi:10.1371/journal.pone.0259943.plos.org, doi.org.

14. Morokutti-Kurz (B) et al., Amylmetacresol/2,4-dichlorobenzyl alcohol, hexylresorcinol, or carrageenan lozenges as active treatments for sore throat, International Journal of General Medicine, doi:10.2147/IJGM.S120665.dovepress.com, doi.org.

Song et al., 24 Aug 2020, peer-reviewed, 10 authors.

In Vitro studies are an important part of preclinical research, however results may be very different in vivo.

This Paper Iota-carragee..All

Abstract: Food & Function View Article Online View Journal Linking the chemistry and physics of food with health and nutrition Accepted Manuscript This article can be cited before page numbers have been issued, to do this please use: S. Song, H. Peng, Q. Wang, Z. Liu, X. Dong, C. Wen, C. Ai, Y. Zhang, Z. Wang and B. Zhu, Food Funct., 2020, DOI: 10.1039/D0FO02017F. Food & Function Linking the chemistry and physics of food with health and nutrition rsc.li/food-function Volume 9 Number 1 January 2018 Pages 1-658 This is an Accepted Manuscript, which has been through the Royal Society of Chemistry peer review process and has been accepted for publication. Accepted Manuscripts are published online shortly after acceptance, before technical editing, formatting and proof reading. Using this free service, authors can make their results available to the community, in citable form, before we publish the edited article. We will replace this Accepted Manuscript with the edited and formatted Advance Article as soon as it is available. You can find more information about Accepted Manuscripts in the Information for Authors. ISSN 2042-650X PAPER Xian Wu, Hang Xiao et al. A metabolite of nobiletin, 4' -demethylnobiletin and atorvastatin synergistically inhibits human colon cancer cell growth by inducing G0/G1 cell cycle arrest and apoptosis Please note that technical editing may introduce minor changes to the text and/or graphics, which may alter content. The journal’s standard Terms & Conditions and the Ethical guidelines still apply. In no event shall the Royal Society of Chemistry be held responsible for any errors or omissions in this Accepted Manuscript or any consequences arising from the use of any information it contains. rsc.li/food-function Food & Function Page 1 of 17 Inhibitory activities of marine sulfated polysaccharides against View Article Online DOI: 10.1039/D0FO02017F SARS-CoV-2 Chengrong Wen1, Chunqing Ai1, Yujiao Zhang1, Zhongfu Wang5, Beiwei Zhu1,* Published on 24 August 2020. 1National Engineering Research Center of Seafood, School of Food Science and Technology, Collaborative Innovation Center of Seafood Deep Processing, Dalian Polytechnic University, Dalian 116034, China 2 Department of Biomedical Defense, Faculty of Naval Medicine, Naval Medical University (Second Military Medical University), Shanghai 200433, China 3 CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China 4 Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, 100083, China 5 Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education and Provincial Key Laboratory of Biotechnology, College of Life Sciences, Northwest University, Xi’an 710069, China Food & Function Accepted Manuscript Shuang Song1, Haoran Peng2, Qingling Wang3, Zhengqi Liu1,4, Xiuping Dong1, Food & Function Page 2 of 17 View Article Online DOI: 10.1039/D0FO02017F Coronavirus disease 2019 (COVID-19) caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has spread around the world at an unprecedented rate. In the present study, 4 marine sulfated polysaccharides were screened for their inhibitory activity against SARS-CoV-2, including sea cucumber red algae, and chondroitin sulfate C from..

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