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2.
Int J Mol Sci ; 22(12)2021 Jun 17.
Article in English | MEDLINE | ID: covidwho-1282513

ABSTRACT

Novel antiviral nanotherapeutics, which may inactivate the virus and block it from entering host cells, represent an important challenge to face viral global health emergencies around the world. Using a combination of bioorthogonal copper-catalyzed 1,3-dipolar alkyne/azide cycloaddition (CuAAC) and photoinitiated thiol-ene coupling, monofunctional and bifunctional peptidodendrimer conjugates were obtained. The conjugates are biocompatible and demonstrate no toxicity to cells at biologically relevant concentrations. Furthermore, the orthogonal addition of multiple copies of two different antiviral peptides on the surface of a single dendrimer allowed the resulting bioconjugates to inhibit Herpes simplex virus type 1 at both the early and the late stages of the infection process. The presented work builds on further improving this attractive design to obtain a new class of therapeutics.


Subject(s)
Antiviral Agents/pharmacology , Dendrimers/pharmacology , Glycoproteins , Herpesvirus 1, Human , Peptides/pharmacology , Viral Proteins , Amino Acid Sequence , Animals , Antiviral Agents/chemistry , CHO Cells , Cell Line , Cell Survival/drug effects , Chemical Phenomena , Chemistry Techniques, Synthetic , Chromatography, High Pressure Liquid , Cricetulus , Dendrimers/chemistry , Glycoproteins/chemistry , Herpesvirus 1, Human/metabolism , Microbial Sensitivity Tests , Molecular Structure , Peptides/chemistry , Spectrum Analysis , Viral Proteins/chemistry
3.
Pharmaceutics ; 13(1)2021 Jan 14.
Article in English | MEDLINE | ID: covidwho-1027639

ABSTRACT

The alarming growth of antimicrobial resistance and recent viral pandemic events have enhanced the need for novel approaches through innovative agents that are mainly able to attach to the external layers of bacteria and viruses, causing permanent damage. Antimicrobial molecules are potent broad-spectrum agents with a high potential as novel therapeutics. In this context, antimicrobial peptides, cell penetrating peptides, and antiviral peptides play a major role, and have been suggested as promising solutions. Furthermore, dendrimers are to be considered as suitable macromolecules for the development of advanced nanosystems that are able to complement the typical properties of dendrimers with those of peptides. This review focuses on the description of nanoplatforms constructed with peptides and dendrimers, and their applications.

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