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Nicotiflorin for COVID-19

Nicotiflorin has been reported as potentially beneficial for treatment of COVID-19. We have not reviewed these studies. See all other treatments.
Amrutha Pulagam, Murthi Vidya Rani, Rajitha Galla, Umakanth Naik Vankadoth, Umamaheswari Amineni, -., Molecular Docking Study of Nutraceuticals from Medicinal Plants against COVID-19 by Targeting PLPRO and RdRp, Zenodo, doi:10.5281/Zenodo.10993336
The SARS-CoV-2 infection continues triggering substantial distress to people since 2019. Many research investigationsconcerning viral pathogenesis regarding the manner in which the virus infects and multiplies within the host have led toconverging conclusions. Numerous studies have additionally demonstrated a strong link between ageing, mildinflammation, metabolic disorders and SARS-CoV-2 illness. According to a modest collection of knowledge, nutraceuticals arecapable of avoiding viral invasion and can reduce inflammation. Consequently, in this current work, we report a moleculardocking analysis for nutraceuticals from diverse plants against SARS-CoV-2 cysteine proteases PLpro (PDB ID: 7CJM) andRNA dependent RNA polymerase (RdRp, PDB ID: 6M71) which play major role in viral replication. The molecular dockingstudies showed that chicoric acid (7CJM : -8.617 Kcal/Mol, 6M71: -6.475) and rosemarinic acid (7CJM : -7.925 Kcal/Mol,6M71 : -8.323 Kcal/Mol) exhibited good docking scores with the selected targets, which were better when compared to that ofreference antiviral drugs Remdesivir and Favipiravir. The majority of the nutraceuticals assessed by Qikprop displayedbeneficial pharmacological characteristics for human administration.
Alkafaas et al., A study on the effect of natural products against the transmission of B.1.1.529 Omicron, Virology Journal, doi:10.1186/s12985-023-02160-6
Abstract Background The recent outbreak of the Coronavirus pandemic resulted in a successful vaccination program launched by the World Health Organization. However, a large population is still unvaccinated, leading to the emergence of mutated strains like alpha, beta, delta, and B.1.1.529 (Omicron). Recent reports from the World Health Organization raised concerns about the Omicron variant, which emerged in South Africa during a surge in COVID-19 cases in November 2021. Vaccines are not proven completely effective or safe against Omicron, leading to clinical trials for combating infection by the mutated virus. The absence of suitable pharmaceuticals has led scientists and clinicians to search for alternative and supplementary therapies, including dietary patterns, to reduce the effect of mutated strains. Main body This review analyzed Coronavirus aetiology, epidemiology, and natural products for combating Omicron. Although the literature search did not include keywords related to in silico or computational research, in silico investigations were emphasized in this study. Molecular docking was implemented to compare the interaction between natural products and Chloroquine with the ACE2 receptor protein amino acid residues of Omicron. The global Omicron infection proceeding SARS-CoV-2 vaccination was also elucidated. The docking results suggest that DGCG may bind to the ACE2 receptor three times more effectively than standard chloroquine. Conclusion The emergence of the Omicron variant has highlighted the need for alternative therapies to reduce the impact of mutated strains. The current review suggests that natural products such as DGCG may be effective in binding to the ACE2 receptor and combating the Omicron variant, however, further research is required to validate the results of this study and explore the potential of natural products to mitigate COVID-19. Graphical abstract
AKBABA et al., Phytochemicals of Hibiscus sabdariffa with Therapeutic Potential against SARS-CoV-2: A Molecular Docking Study, Journal of the Institute of Science and Technology, doi:10.21597/jist.1187616
In this study, the possible interactions of 17 phytochemicals that were reported as the most abundant biomolecules of Hibiscus sabdariffa, including many organic acids as well as catechin and quercetin derivatives, with 3CLpro and PLpro proteases of SARS-CoV-2 have been investigated via molecular docking. Caffeoylshikimic acid/3CLpro showed the lowest binding energy (-7.72 kcal/mol) with seven H-bonds. The second-lowest binding energy was computed in the chlorogenic acid/3CLpro complex (-7.18 kcal/mol), which was found to form 6 H-bonds. Also, low binding energies of cianidanol (-7.10 kcal/mol), cryptochlorogenic acid (-6.67 kcal/mol), and kaempferol (-6.82 kcal/mol) were calculated to 3CLpro with several H-bond interactions. Nelfinavir (-10.16 kcal/mol) and remdesivir (-6.40 kcal/mol), which have been used against COVID-19, were obtained to have low binding energies to 3CLpro with 3 H-bond formations each. On the other hand, the nicotiflorin/PLpro complex, which had the lowest binding energy (-7.40 kcal/mol), was found to have only 1 H-bond interaction. The second-lowest binding energy was reported in chlorogenic acid/PLpro (-7.20 kcal/mol), which was found to possess four H-bonds. On the other hand, epigallocatechin gallate/PLpro, which was shown to have a -5.95 kcal/mol binding energy, was found to form 8 H-bond interactions. Furthermore, the quercetin pentosylhexoside/PLpro complex was monitored to have low binding energy (-6.54 kcal/mol) with 9 H-bonds, which stands as the highest number of H-bonds in all complexes. Therefore, several molecules of Hibiscus sabdariffa were found to have strong binding affinity to the main proteases of SARS-CoV-2. This study suggests many compounds, including caffeoylshikimic acid and nicotiflorin, to inhibit 3CLpro and PLpro activities. As a result, numerous chemicals derived from Hibiscus sabdariffa have the potential to be employed therapeutically against SARS-CoV-2 infection.
Please send us corrections, updates, or comments. c19early involves the extraction of 100,000+ datapoints from thousands of papers. Community updates help ensure high accuracy. Treatments and other interventions are complementary. All practical, effective, and safe means should be used based on risk/benefit analysis. No treatment or intervention is 100% available and effective for all current and future variants. We do not provide medical advice. Before taking any medication, consult a qualified physician who can provide personalized advice and details of risks and benefits based on your medical history and situation. FLCCC and WCH provide treatment protocols.
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