Abstract
Due to their unique properties and their potential therapeutic and prophylactic applications, heavy metals have attracted the interest of many researchers, especially during the outbreak of COVID-19. Indeed, zinc (Zn) and copper (Cu) have been widely used during viral infections. Zn has been reported to prevent excessive inflammatory response and cytokine storm, improve the response of the virus to Type I interferon (IFN-1), and enhance the production of IFN-a to counteract the antagonistic effect of SARS-CoV-2 virus protein on IFN. Additionally, Zn has been found to promote the proliferation and differentiation of T and B lymphocytes, thereby improving immune function, inhibiting RNA-dependent RNA polymerase (RdRp) in SARS- CoV-2 reducing the viral replication and stabilizing the cell membrane by preventing the proteolytic processing of viral polyprotein and proteases enzymes. Interestingly, Zn deficiency has been correlated with enhanced SARS-CoV-2 viral entry through interaction between the ACE2 receptor and viral spike protein. Along with zinc, Cu possesses strong virucidal capabilities and is known to be effective at neutralizing a variety of infectious viruses, including the poliovirus, influenza virus, HIV type 1, and other enveloped or nonenveloped, single- or double-stranded DNA and RNA viruses. Cu-related antiviral action has been linked to different pathways. First, it may result in permanent damage to the viral membrane, envelopes, and genetic material of viruses. Second, Cu produces reactive oxygen species to take advantage of the redox signaling mechanism to eradicate the virus. The present review focused on Zn and Cu in the treatment and prevention of viral infection. Moreover, the application of metals such as Cu and gold in nanotechnology for the development of antiviral therapies and vaccines has been also discussed.
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Shatha A Albalawi, Raneem A Albalawi, Amaal A Albalawi, Raghad F. Alanazi, Raghad M. Almahlawi, Basma S. Alhwity, Bashayer D. Alatawi, Nehal Elsherbiny, Saleh F. Alqifari, Mohamed S. AbdelMaksoud wrote the main manuscript text.Shatha A Albalawi, Raneem A Albalawi, Amaal A Albalawi prepared figuresAll authors reviewed the manuscript.
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Albalawi, S.A., Albalawi, R.A., Albalawi, A.A. et al. The Possible Mechanisms of Cu and Zn in the Treatment and Prevention of HIV and COVID-19 Viral Infection. Biol Trace Elem Res 202, 1524–1538 (2024). https://doi.org/10.1007/s12011-023-03788-9
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DOI: https://doi.org/10.1007/s12011-023-03788-9