4.6 Article

Potential of cell-penetrating peptides (CPPs) in delivery of antiviral therapeutics and vaccines

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ELSEVIER
DOI: 10.1016/j.ejps.2021.106094

Keywords

Virus; Cell-penetrating peptides; Antiviral therapy; Intracellular delivery; Vaccine delivery; Drug delivery; Viral

Funding

  1. Research Council of Shiraz Uni-versity of Medical Sciences [23880]

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Viral infections pose a great threat to human health, but there is a lack of effective vaccines and antiviral drugs. Cell-penetrating peptides (CPPs) have the potential for intracellular delivery of various antiviral agents, offering promise for antiviral therapy.
Viral infections are a great threat to human health. Currently, there are no effective vaccines and antiviral drugs against the majority of viral diseases, suggesting the need to develop novel and effective antiviral agents. Since the intracellular delivery of antiviral agents, particularly the impermeable molecules, such as peptides, proteins, and nucleic acids, are essential to exert their therapeutic effects, using a delivery system is highly required. Among various delivery systems, cell-penetrating peptides (CPPs), a group of short peptides with the unique ability of crossing cell membrane, offer great potential for the intracellular delivery of various biologically active cargoes. The results of numerous in vitro and in vivo studies with CPP conjugates demonstrate their promise as therapeutic agents in various medical fields including antiviral therapy. The CPP-mediated delivery of various antiviral agents including peptides, proteins, nucleic acids, and nanocarriers have been associated with therapeutic efficacy both in vitro and in vivo. This review describes various aspects of viruses including their biology, pathogenesis, and therapy and briefly discusses the concept of CPP and its potential in drug delivery. Particularly, it will highlight a variety of CPP applications in the management of viral infections.

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