Adv Pharm Bull. 2018;8(4):551-563.
doi: 10.15171/apb.2018.064
  Abstract View: 27
  PDF Download: 47

Review Article

Potential of Peptide Nucleic Acids in Future Therapeutic Applications

Soheila Montazersaheb 1,2,3 * ORCiD, Mohammad Saeid Hejazi 2,3 ORCiD, Hojjatollah Nozad Charoudeh 4 ORCiD

1 Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
2 Molecular Medicine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
3 Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran.
4 Anatomical Sciences Department, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.
*Corresponding Author: Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran. E-mail: smontazersaheb@gmail.com

Abstract

Peptide nucleic acids (PNA) are synthetic analog of DNA with a repeating N-(2-aminoethyl)-glycine peptide backbone connected to purine and pyrimidine nucleobases via a linker. Considering the unique properties of PNA, including resistance to enzymatic digestion, higher biostability combined with great hybridization affinity toward DNA and RNA, it has attracted great attention toward PNA- based technology as a promising approach for gene alteration. However, an important challenge in utilizing PNA is poor intracellular uptake. Therefore, some strategies have been developed to enhance the delivery of PNA in order to reach cognate site. Although PNAs primarily demonstrated to act as an antisense and antigene agents for inhibition of transcription and translation of target genes, more therapeutic applications such as splicing modulation and gene editing are also used to produce specific genome modifications. Hence, several approaches based on PNAs technology have been designed for these purposes. This review briefly presents the properties and characteristics of PNA as well as different gene modulation mechanisms. Thereafter, current status of successful therapeutic applications of PNA as gene therapeutic intervention in different research areas with special interest in medical application in particular, anti-cancer therapy are discussed. Then it focuses on possible use of PNA as anti-mir agent and PNA-based strategies against clinically important bacteria.
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Submitted: 13 May 2018
Revised: 28 Aug 2018
Accepted: 04 Sep 2018
First published online: 29 Nov 2018
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