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Review

Cell-penetrating peptides for drug delivery across membrane barriers

, MSc PhD & , MPharm PhD
Pages 105-117 | Published online: 21 Dec 2007
 

Abstract

During the last decade, cell-penetrating peptides have been investigated for their ability to overcome the plasma membrane barrier of mammalian cells for the intracellular or transcellular delivery of cargoes as diverse as low molecular weight drugs, imaging agents, oligonucleotides, peptides, proteins and colloidal carriers such as liposomes and polymeric nanoparticles. Their ability to cross biological membranes in a non-disruptive way without apparent toxicity is highly desired for increasing drug bioavailability. This review provides an overview of the application of cell-penetrating peptides as transmembrane drug delivery agents, according to the recent literature, and discusses critical issues and future challenges in relation to fully understanding the fundamental principles of the cell-penetrating peptide-mediated membrane translocation of cargoes and the exploitation of their therapeutic potential.

Acknowledgements

We apologise to our colleagues whose contributions are not cited due to reference limitation.

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