Abstract
Peptide nucleic acids (PNAs)-DNA chimeras have been recently described as DNA mimics constituted of a part of PNA and of a part of DNA. We have demonstrated that double stranded molecules based on PNA-DNA chimeras bind to transcription factors in a sequence-dependent manner. Accordingly, these molecules can be used for transcription factor decoy (TFD) pharmacotherapy. Effects of double stranded PNA-DNA chimeras targeting NF-kappaB and Sp1 were determined on in vitro cultured human cells and were found to be comparable to those observed using double-stranded DNA decoys. The TFD molecules based on PNA-DNA chimeras can be further engineered by addition of short peptides facilitating cell penetration and nuclear localization. Therefore, these engineered molecules could be of great interest for in vivo experiments for non-viral gene therapy of a variety of diseases, including neoplastic and viral diseases, for which the TFD approach has been already demonstrated as a very useful strategy.
Keywords: transcription, decoy, delivery, gene therapy, peptide-nucleic acids
Current Drug Targets
Title: Peptide Nucleic Acids (PNA)-DNA Chimeras Targeting Transcription Factors as a Tool to Modify Gene Expression
Volume: 5 Issue: 8
Author(s): M. Borgatti, A. Finotti, A. Romanelli, M. Saviano, N. Bianchi, I. Lampronti, E. Lambertini, L. Penolazzi, C. Nastruzzi, C. Mischiati, R. Piva, C. Pedone and R. Gambari
Affiliation:
Keywords: transcription, decoy, delivery, gene therapy, peptide-nucleic acids
Abstract: Peptide nucleic acids (PNAs)-DNA chimeras have been recently described as DNA mimics constituted of a part of PNA and of a part of DNA. We have demonstrated that double stranded molecules based on PNA-DNA chimeras bind to transcription factors in a sequence-dependent manner. Accordingly, these molecules can be used for transcription factor decoy (TFD) pharmacotherapy. Effects of double stranded PNA-DNA chimeras targeting NF-kappaB and Sp1 were determined on in vitro cultured human cells and were found to be comparable to those observed using double-stranded DNA decoys. The TFD molecules based on PNA-DNA chimeras can be further engineered by addition of short peptides facilitating cell penetration and nuclear localization. Therefore, these engineered molecules could be of great interest for in vivo experiments for non-viral gene therapy of a variety of diseases, including neoplastic and viral diseases, for which the TFD approach has been already demonstrated as a very useful strategy.
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Borgatti M., Finotti A., Romanelli A., Saviano M., Bianchi N., Lampronti I., Lambertini E., Penolazzi L., Nastruzzi C., Mischiati C., Piva R., Pedone C. and Gambari R., Peptide Nucleic Acids (PNA)-DNA Chimeras Targeting Transcription Factors as a Tool to Modify Gene Expression, Current Drug Targets 2004; 5 (8) . https://dx.doi.org/10.2174/1389450043345155
DOI https://dx.doi.org/10.2174/1389450043345155 |
Print ISSN 1389-4501 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-5592 |
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