Redesigning of Cell-Penetrating Peptides to Improve Their Efficacy as a Drug Delivery System

Cell-penetrating peptides (CPP) are promising tools for the transport of a broad range of compounds into cells. Since the discovery of the first members of this peptide family, many other peptides have been identified; nowadays, dozens of these peptides are known. These peptides sometimes have very...

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Bibliographic Details
Published in:Pharmaceutics 2022-04, Vol.14 (5), p.907
Main Authors: Szabó, Ildikó, Yousef, Mo'ath, Soltész, Dóra, Bató, Csaba, Mező, Gábor, Bánóczi, Zoltán
Format: Article
Language:English
Subjects:
cell-penetrating peptide
chemical modification
drug delivery
Flow cytometry
Heparan sulfate
internalization
Microscopy
NMR
Nuclear magnetic resonance
peptide conjugate
Peptides
Review
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Summary:Cell-penetrating peptides (CPP) are promising tools for the transport of a broad range of compounds into cells. Since the discovery of the first members of this peptide family, many other peptides have been identified; nowadays, dozens of these peptides are known. These peptides sometimes have very different chemical-physical properties, but they have similar drawbacks; e.g., non-specific internalization, fast elimination from the body, intracellular/vesicular entrapment. Although our knowledge regarding the mechanism and structure-activity relationship of internalization is growing, the prediction and design of the cell-penetrating properties are challenging. In this review, we focus on the different modifications of well-known CPPs to avoid their drawbacks, as well as how these modifications may increase their internalization and/or change the mechanism of penetration.
ISSN:1999-4923
1999-4923
DOI:10.3390/pharmaceutics14050907