Journal
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
Volume 26, Issue 24, Pages 5902-5906Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmcl.2016.11.002
Keywords
Crosslink; Peptide nucleic acid; miRNA; Dicer; Invasion
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Funding
- Japan Society for the Promotion of Science (JSPS) [JP15H05838, 25288073]
- research program of Dynamic Alliance for Open Innovation Bridging Human, Environment and Materials
- Grants-in-Aid for Scientific Research [25288073, 15K14975, 15H05838] Funding Source: KAKEN
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Peptide nucleic acids (PNAs) are structural mimics of nucleic acids that form stable hybrids with DNA and RNA. Due to these characteristics, PNAs are widely used as biochemical tools, for example, in antisense/antigene therapy. In this study, we have synthesized PNAs incorporating 2-amino-6-vinylpurine (AVP) for the covalent targeting of single-stranded DNA and RNA, and evaluated their reactivities for these targets. PNA containing AVP at the N-terminal position showed a high reactivity to uracil in RNA and thymine in DNA at the complementary site with AVP. In addition, the crosslinking reactions to pre-miR122 with PNA containing AVP increased the inhibition effect for the Dicer processing of pre-miR122 in vitro. (C) 2016 Elsevier Ltd. All rights reserved.
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