Nanotechnology for delivery of peptide nucleic acids (PNAs)

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Over the past three decades, peptide nucleic acids have been employed in numerous chemical and biological applications. Peptide nucleic acids possess enormous potential because of their superior biophysical properties, compared to other oligonucleotide chemistries. However, for therapeutic applications, intracellular delivery of peptide nucleic acids remains a challenge. In this review, we summarize the progress that has been made in delivering peptide nucleic acids to intracellular targets. In addition, we emphasize recent nanoparticle-based strategies for efficient delivery of conventional and chemically-modified peptides nucleic acids.

Graphical abstract

This review highlight the novel nanoparticle based delivery strategies employed for delivery of regular as well as chemically modified PNAs both ex vivo as well as in vivo.

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