Peptide-based delivery of nucleic acids: Design, mechanism of uptake and applications to splice-correcting oligonucleotides

S. Abes, H. Moulton, J. Turner, P. Clair, Jean-Philippe Richard, P. Iversen, M. J. Gait, B. Lebleu

Research output: Contribution to journalArticle

Abstract

CPPs (cell-penetrating peptides) have given rise to much interest for the delivery of biomolecules such as peptides, proteins or ONs (oligonucleotides). CPPs and their conjugates were initially thought to translocate through the cell membrane by a non-endocytotic mechanism which has recently been re-evaluated. Basic-amino-acid-rich CPPs first interact with cell-surface proteoglycans before being internalized by endocytosis. Sequestration and degradation in endocytotic vesicles severely limits the cytoplasmic and nuclear delivery of the conjugated biomolecules. Accordingly, splicing correction by CPP-conjugated steric-block ON analogues is inefficient in the absence of endosomolytic agents. New arginine-rich CPPs allowing efficient splicing correction by conjugated PNAs (peptide nucleic acids) or PMO (phosphorodiamidate morpholino oligomer) steric blockers in the absence of endosomolytic agents have recently been defined in our group and are currently being characterized. They offer promising leads for the development of efficient cellular delivery vectors for therapeutic steric-block ON analogues.

Original languageEnglish (US)
Pages (from-to)53-55
Number of pages3
JournalBiochemical Society Transactions
Volume35
Issue number1
DOIs
StatePublished - Feb 2007
Externally publishedYes

Fingerprint

Cell-Penetrating Peptides
Oligonucleotides
Nucleic Acids
Peptides
Biomolecules
Peptide Nucleic Acids
Morpholinos
Basic Amino Acids
Proteoglycans
Cell membranes
Endocytosis
Arginine
Cell Membrane
Degradation
Proteins

Keywords

  • Cell-penetrating peptide (CPP)
  • Endocytosis
  • Nucleic acid delivery
  • Peptide-based delivery
  • Splice-correcting oligonucleotide

ASJC Scopus subject areas

  • Biochemistry

Cite this

Peptide-based delivery of nucleic acids : Design, mechanism of uptake and applications to splice-correcting oligonucleotides. / Abes, S.; Moulton, H.; Turner, J.; Clair, P.; Richard, Jean-Philippe; Iversen, P.; Gait, M. J.; Lebleu, B.

In: Biochemical Society Transactions, Vol. 35, No. 1, 02.2007, p. 53-55.

Research output: Contribution to journalArticle

Abes, S, Moulton, H, Turner, J, Clair, P, Richard, J-P, Iversen, P, Gait, MJ & Lebleu, B 2007, 'Peptide-based delivery of nucleic acids: Design, mechanism of uptake and applications to splice-correcting oligonucleotides', Biochemical Society Transactions, vol. 35, no. 1, pp. 53-55. https://doi.org/10.1042/BST0350053
Abes, S. ; Moulton, H. ; Turner, J. ; Clair, P. ; Richard, Jean-Philippe ; Iversen, P. ; Gait, M. J. ; Lebleu, B. / Peptide-based delivery of nucleic acids : Design, mechanism of uptake and applications to splice-correcting oligonucleotides. In: Biochemical Society Transactions. 2007 ; Vol. 35, No. 1. pp. 53-55.
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