Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

Plant-derived epi-nutraceuticals as Potential Broad-Spectrum Anti-Viral Agents

Version 1 : Received: 17 October 2023 / Approved: 18 October 2023 / Online: 19 October 2023 (10:10:55 CEST)

A peer-reviewed article of this Preprint also exists.

Gabbianelli, R.; Shahar, E.; de Simone, G.; Rucci, C.; Bordoni, L.; Feliziani, G.; Zhao, F.; Ferrati, M.; Maggi, F.; Spinozzi, E.; Mahajna, J. Plant-Derived Epi-Nutraceuticals as Potential Broad-Spectrum Anti-Viral Agents. Nutrients 2023, 15, 4719. Gabbianelli, R.; Shahar, E.; de Simone, G.; Rucci, C.; Bordoni, L.; Feliziani, G.; Zhao, F.; Ferrati, M.; Maggi, F.; Spinozzi, E.; Mahajna, J. Plant-Derived Epi-Nutraceuticals as Potential Broad-Spectrum Anti-Viral Agents. Nutrients 2023, 15, 4719.

Abstract

Although the COVID-19 pandemic appears to be diminishing, the emergence of SARS-CoV-2 variants represents a threat to humans due to its inherent transmissibility, immunological evasion, virulence, and invulnerability to existing therapies. The previous COVID-19 pandemic affected more than 500 million people and caused over 6 million deaths. Vaccines are essential, but in circumstances when vaccination is not accessible or in individuals with compromised immune systems, drugs can give additional protection. Targeting host signaling pathways is recommended due to their genomic stability and resistance barriers. Plant-derived products, which have been used in traditional medicine for treating pathological conditions, offer structurally novel therapeutic compounds including anti-viral. In addition, plant-derived bioactive substances might serve as the ideal basis for developing sustainable/efficient/cost-effective anti-viral alternatives. Epigenetic modifications in the genome can affect gene expression without altering DNA sequence. Host cells can use epigenetic gene regulation as a mechanism to silence incoming viral DNA molecules, while viruses have recruited cellular epi transcriptomic (covalent modifications of RNAs) modifiers to increase the translational efficiency and transcript stability of viral transcripts to enhance viral gene expression and replication. Moreover, viruses manipulate host cells' epigenetic machinery to ensure productive viral infections. Environmental factors, such as natural products, may influence epigenetic modifications. In this review, we are exploring the potential of plant-derived substances as epigenetic modifiers for broad-spectrum anti-viral activity, reviewing modulation processes and anti-viral effects on DNA and RNA viruses, and addressing future research objectives in this rapidly emerging field.

Keywords

Plant-derived substances; Epigenetic modifications; virus; Broad-spectrum anti-viral

Subject

Biology and Life Sciences, Biochemistry and Molecular Biology

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