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Repurposing Drugs for Viruses and Cancer: A Novel Drug Repositioning Strategy for COVID-19

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Drug Repurposing for Emerging Infectious Diseases and Cancer

Abstract

The high infection capacity and rapid mutations in coronavirus disease 2019 (COVID-19) has been no stranger to many. The etiological agent that contributed to this global health crisis is by no means the severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2). COVID-19 is characterized by an episode of immune fluctuations, followed by hyperactivation of inflammatory responses, known as the cytokine storm. The rapid progression of the COVID-19 pandemic calls for new and promising antiviral therapeutics. Repositioning anticancer drugs against the virus is very much explored due to the common similar pathways or targeting structures, opening new windows for many possibilities. As such, the repurposing of zidovudine for Friend leukemia virus and ouabain for Ebola virus are among the successful examples. Other potential FDA-approved anticancer drugs to be repositioned for COVID-19 include imatinib, saracatinib, and homoharringtonine, which have been studied for other coronaviruses in the past. Furthermore, current anticancer drugs like carmofur, carfilzomib, zotatifin, plitidepsin, and toremifene have gained interesting outcomes with respect to SARS-CoV-2. It is well recognized that to achieve viral replication, viruses antagonise or hijack host proteins and signaling pathways to gain productive infection, with SARS-CoV-2 indeed being no exception. This review aims to discuss the drug repositioning approaches concerning previously established anticancer drugs on viruses, especially on SARS-CoV-2. We accentuate this idea with specific examples of how potential anticancer inhibitors can effectively be used against SARS-CoV-2 as well as the limitations and future perspectives of drug repositioning.

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Correspondence to Sunil K. Lal .

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KHW, CML, AJWP, IAF, NZZ, and ZYL contributed equally to the preparation and drafting of the manuscript. Critical revisions, supervision and conceptualization of the article were done by SKL.

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All authors have read and agreed to the published version of the manuscript. All authors have declared that there is no conflict of interest.

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© 2023 The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

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Wong, K.H. et al. (2023). Repurposing Drugs for Viruses and Cancer: A Novel Drug Repositioning Strategy for COVID-19. In: Sobti, R.C., Lal, S.K., Goyal, R.K. (eds) Drug Repurposing for Emerging Infectious Diseases and Cancer. Springer, Singapore. https://doi.org/10.1007/978-981-19-5399-6_18

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  • DOI: https://doi.org/10.1007/978-981-19-5399-6_18

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-19-5398-9

  • Online ISBN: 978-981-19-5399-6

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