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Unravelling Vitamin B12 as a potential inhibitor against SARS-CoV-2: A computational approach

Pandya et al., Informatics in Medicine Unlocked, doi:10.1016/j.imu.2022.100951

Apr 2022

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Vitamin D for COVID-19

8th treatment shown to reduce risk in October 2020, now with p < 0.00000000001 from 122 studies, recognized in 9 countries.

Lower risk for mortality, ICU admission, hospitalization, progression, recovery, cases, and viral clearance.

No treatment is 100% effective. Protocols combine treatments.

5,100+ studies for 109 treatments. c19early.org

In Silico study showing significant interaction with SARS-CoV-2 targets for multiple vitamins.

21 preclinical studies support the efficacy of vitamin D for COVID-19:

7 In Silico studies1-7

11 In Vitro studies8-18

3 In Vivo animal studies10,14,19

Vitamin D has been identified by the European Food Safety Authority (EFSA) as having sufficient evidence for a causal relationship between intake and optimal immune system function20-23. Vitamin D inhibits SARS-CoV-2 replication in vitro10,17, mitigates lung inflammation, damage, and lethality in mice with an MHV-3 model for β-CoV respiratory infections10,17, reduces SARS-CoV-2 replication in nasal epithelial cells via increased type I interferon expression13, downregulates proinflammatory cytokines IL-1β and TNF-α in SARS-CoV-2 spike protein-stimulated cells9, attenuates nucleocapsid protein-induced hyperinflammation by inactivating the NLRP3 inflammasome through the VDR-BRCC3 signaling pathway14, may be neuroprotective by protecting the blood-brain barrier, reducing neuroinflammation, and via immunomodulatory effects24, downregulates ACE2 and TMPRSS2 in human trophoblasts and minimizes spike protein-induced inflammation12, minimizes platelet aggregation mediated by SARS-CoV-2 spike protein via inhibiting integrin αIIbβ3 outside-in signaling8, and improves regulatory immune cell levels and control of proinflammatory cytokines in severe COVID-1925. Symptomatic COVID-19 is associated with a lower frequency of natural killer (NK) cells and vitamin D has been shown to improve NK cell activity26,27.

Important missing comments or errors? Let us know.

Study covers vitamin D, vitamin C, vitamin A, vitamin B9, and vitamin B12.

1. Morales-Bayuelo et al., New findings on ligand series used as SARS-CoV-2 virus inhibitors within the frameworks of molecular docking, molecular quantum similarity and chemical reactivity indices, F1000Research, doi:10.12688/f1000research.123550.3.f1000research.com, doi.org.

2. Chellasamy et al., Docking and molecular dynamics studies of human ezrin protein with a modelled SARS-CoV-2 endodomain and their interaction with potential invasion inhibitors, Journal of King Saud University - Science, doi:10.1016/j.jksus.2022.102277.sciencedirect.com, doi.org.

3. Pandya et al., Unravelling Vitamin B12 as a potential inhibitor against SARS-CoV-2: A computational approach, Informatics in Medicine Unlocked, doi:10.1016/j.imu.2022.100951.sciencedirect.com, doi.org.

4. Mansouri et al., The impact of calcitriol and estradiol on the SARS-CoV-2 biological activity: a molecular modeling approach, Scientific Reports, doi:10.1038/s41598-022-04778-y.nature.com, doi.org.

5. Song et al., Vitamin D3 and its hydroxyderivatives as promising drugs against COVID-19: a computational study, Journal of Biomolecular Structure and Dynamics, doi:10.1080/07391102.2021.1964601.tandfonline.com, doi.org.

6. Qayyum et al., Vitamin D and lumisterol novel metabolites can inhibit SARS-CoV-2 replication machinery enzymes, Endocrinology and Metabolism, doi:10.1152/ajpendo.00174.2021.physiology.org, doi.org.

7. Al-Mazaideh et al., Vitamin D is a New Promising Inhibitor to the Main Protease (Mpro) of COVID-19 by Molecular Docking, Journal of Pharmaceutical Research International, doi:10.9734/jpri/2021/v33i29B31603.journaljpri.com, doi.org.

8. Wang et al., 1,25‐Dihydroxyvitamin D3 attenuates platelet aggregation potentiated by SARS‐CoV‐2 spike protein via inhibiting integrin αIIbβ3 outside‐in signaling, Cell Biochemistry and Function, doi:10.1002/cbf.4039.wiley.com, doi.org.

9. Alcalá-Santiago et al., Disentangling the Immunomodulatory Effects of Vitamin D on the SARS-CoV-2 Virus by In Vitro Approaches, The 14th European Nutrition Conference FENS 2023, doi:10.3390/proceedings2023091415.mdpi.com, doi.org.

10. Campolina-Silva et al., Dietary Vitamin D Mitigates Coronavirus-Induced Lung Inflammation and Damage in Mice, Viruses, doi:10.3390/v15122434.mdpi.com, doi.org.

11. Moatasim et al., Potent Antiviral Activity of Vitamin B12 against Severe Acute Respiratory Syndrome Coronavirus 2, Middle East Respiratory Syndrome Coronavirus, and Human Coronavirus 229E, Microorganisms, doi:10.3390/microorganisms11112777.mdpi.com, doi.org.

12. Vargas-Castro et al., Calcitriol prevents SARS-CoV spike-induced inflammation in human trophoblasts through downregulating ACE2 and TMPRSS2 expression, The Journal of Steroid Biochemistry and Molecular Biology, doi:10.1016/j.jsbmb.2024.106625.sciencedirect.com, doi.org.

13. Sposito et al., Age differential CD13 and interferon expression in airway epithelia affect SARS-CoV-2 infection - effects of vitamin D, Mucosal Immunology, doi:10.1016/j.mucimm.2023.08.002.nih.gov, doi.org.

14. Chen et al., Vitamin D3 attenuates SARS‐CoV‐2 nucleocapsid protein‐caused hyperinflammation by inactivating the NLRP3 inflammasome through the VDR‐BRCC3 signaling pathway in vitro and in vivo, MedComm, doi:10.1002/mco2.318.wiley.com, doi.org.

15. Rybakovsky et al., Calcitriol modifies tight junctions, improves barrier function, and reduces TNF‐α‐induced barrier leak in the human lung‐derived epithelial cell culture model, 16HBE 14o‐, Physiological Reports, doi:10.14814/phy2.15592.wiley.com, doi.org.

16. DiGuilio et al., The multiphasic TNF-α-induced compromise of Calu-3 airway epithelial barrier function, Experimental Lung Research, doi:10.1080/01902148.2023.2193637.tandfonline.com, doi.org.

17. Pickard et al., Discovery of re-purposed drugs that slow SARS-CoV-2 replication in human cells, PLOS Pathogens, doi:10.1371/journal.ppat.1009840.plos.org, doi.org.

18. Mok et al., Calcitriol, the active form of vitamin D, is a promising candidate for COVID-19 prophylaxis, bioRxiv, doi:10.1101/2020.06.21.162396.biorxiv.org, doi.org.

19. Fernandes de Souza et al., Lung Inflammation Induced by Inactivated SARS-CoV-2 in C57BL/6 Female Mice Is Controlled by Intranasal Instillation of Vitamin D, Cells, doi:10.3390/cells12071092.mdpi.com, doi.org.

20. Galmés et al., Suboptimal Consumption of Relevant Immune System Micronutrients Is Associated with a Worse Impact of COVID-19 in Spanish Populations, Nutrients, doi:10.3390/nu14112254.mdpi.com, doi.org.

21. Galmés (B) et al., Current State of Evidence: Influence of Nutritional and Nutrigenetic Factors on Immunity in the COVID-19 Pandemic Framework, Nutrients, doi:10.3390/nu12092738.mdpi.com, doi.org.

22. EFSA, Scientific Opinion on the substantiation of a health claim related to vitamin D and contribution to the normal function of the immune system pursuant to Article 14 of Regulation (EC) No 1924/2006, EFSA Journal, doi:10.2903/j.efsa.2015.4096.europa.eu, doi.org.

23. EFSA (B), Scientific Opinion on the substantiation of health claims related to vitamin D and normal function of the immune system and inflammatory response (ID 154, 159), maintenance of normal muscle function (ID 155) and maintenance of normal cardiovascular function (ID 159) pursuant to Article 13(1) of Regulation (E, EFSA Journal, doi:10.2903/j.efsa.2010.1468.wiley.com, doi.org.

24. Gotelli et al., Understanding the immune-endocrine effects of vitamin D in SARS-CoV-2 infection: a role in protecting against neurodamage?, Neuroimmunomodulation, doi:10.1159/000533286.karger.com, doi.org.

25. Saheb Sharif-Askari et al., Increased blood immune regulatory cells in severe COVID-19 with autoantibodies to type I interferons, Scientific Reports, doi:10.1038/s41598-023-43675-w.nature.com, doi.org.

26. Graydon et al., High baseline frequencies of natural killer cells are associated with asymptomatic SARS-CoV-2 infection, Current Research in Immunology, doi:10.1016/j.crimmu.2023.100064.sciencedirect.com, doi.org.

27. Oh et al., Vitamin D and Exercise Are Major Determinants of Natural Killer Cell Activity, Which Is Age- and Gender-Specific, Frontiers in Immunology, doi:10.3389/fimmu.2021.594356.frontiersin.org, doi.org.

Pandya et al., 20 Apr 2022, peer-reviewed, 9 authors.

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

This Paper Vitamin D All

Unravelling Vitamin B12 as a potential inhibitor against SARS-CoV-2: A computational approach

Medha Pandya, Sejal Shah, Tanzil Juneja, Amisha Patel, Ayushman Gadnayak, Sushma Dave, Kajari Das, Jayashankar Das

Informatics in Medicine Unlocked, doi:10.1016/j.imu.2022.100951

This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.

Ethical statement The study does not involve the animals. Declaration of competing interest The authors declare no competing interests.

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