Abstract
Antisense strategy represents a promising molecular tool for efficient and selective chemotherapeutic action. It belongs among oligonucleotide strategies that employ specific single-stranded sequences of deoxyribo- and ribonucleotides or their synthetic analogs to block or suppress expression of a pathogen in its early stage. This approach is also promising for studies of the biological function of the gene. However, the routine use of modified oligonucleotides in practice is complicated by non-ideal properties of currently available oligonucleotide analogs. A successful medical treatment requires not only proper binding of the modified oligonucleotide to its cellular target but also its efficient cellular uptake, stability and appropriate distribution in the intracellular environment. The latter processes can be effectively studied by various microfluorescence techniques. The paper reviews the current situation in the application of advanced microfluorescence methods in this field and gives a brief description of the oligonucleotide strategy and possibilities to support the cellular uptake, theoretical and technical basics of current fluorescence microimaging and fluorescence microspectroscopy including time-resolved measurements. Second part of the paper describes experiment preparation, surveys the most interesting studies published so far and outlines the perspectives.
Keywords: Oligonucleotide Therapy, Fluorescence Resonance Energy Transfer, confocal microscope, Time-Resolved Microfluorimetry, Fluorescence microimaging
Current Organic Chemistry
Title: Advanced Microfluorescence Methods in Monitoring Intracellular Uptake of “Antisense” Oligonucleotides
Volume: 11 Issue: 6
Author(s): Petr Praus, Eva Kocisova, Olivier Seksek, Franck Sureau, Josef Stepanek and Pierre-Yves Turpin
Affiliation:
Keywords: Oligonucleotide Therapy, Fluorescence Resonance Energy Transfer, confocal microscope, Time-Resolved Microfluorimetry, Fluorescence microimaging
Abstract: Antisense strategy represents a promising molecular tool for efficient and selective chemotherapeutic action. It belongs among oligonucleotide strategies that employ specific single-stranded sequences of deoxyribo- and ribonucleotides or their synthetic analogs to block or suppress expression of a pathogen in its early stage. This approach is also promising for studies of the biological function of the gene. However, the routine use of modified oligonucleotides in practice is complicated by non-ideal properties of currently available oligonucleotide analogs. A successful medical treatment requires not only proper binding of the modified oligonucleotide to its cellular target but also its efficient cellular uptake, stability and appropriate distribution in the intracellular environment. The latter processes can be effectively studied by various microfluorescence techniques. The paper reviews the current situation in the application of advanced microfluorescence methods in this field and gives a brief description of the oligonucleotide strategy and possibilities to support the cellular uptake, theoretical and technical basics of current fluorescence microimaging and fluorescence microspectroscopy including time-resolved measurements. Second part of the paper describes experiment preparation, surveys the most interesting studies published so far and outlines the perspectives.
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Cite this article as:
Praus Petr, Kocisova Eva, Seksek Olivier, Sureau Franck, Stepanek Josef and Turpin Pierre-Yves, Advanced Microfluorescence Methods in Monitoring Intracellular Uptake of “Antisense” Oligonucleotides, Current Organic Chemistry 2007; 11 (6) . https://dx.doi.org/10.2174/138527207780368210
DOI https://dx.doi.org/10.2174/138527207780368210 |
Print ISSN 1385-2728 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5348 |
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