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Fluorine‐18 labeling of peptide nucleic acids
Author(s) -
Kuhnast Bertrand,
Dolle Frédéric,
Tavitian Bertrand
Publication year - 2002
Publication title -
journal of labelled compounds and radiopharmaceuticals
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.432
H-Index - 47
eISSN - 1099-1344
pISSN - 0362-4803
DOI - 10.1002/jlcr.522
Subject(s) - chemistry , nucleic acid , guanine , deoxyribose , thymine , oligonucleotide , cytosine , peptide , dna , nucleobase , nucleic acid analogue , peptide nucleic acid , biochemistry , combinatorial chemistry , macromolecule , stereochemistry , nucleotide , nucleic acid thermodynamics , base sequence , gene
Peptide nucleic acids (PNAs) are a unique class of synthetic macromolecules, originally designed as ligands for the recognition of double stranded DNA. From a chemical point of view, the deoxyribose phosphate backbone of DNA is replaced by a pseudo‐peptide N ‐(2‐aminoethyl)glycyl backbone, while the nucleobases of DNA (adenine, guanine, cytosine and thymine) are retained. Due to the increasing interest in the labeling of peptide nucleic acids (PNAs) as potent diagnostic agents in nuclear medicine, we have used and adapted the reliable methodology developed for the fluorine‐18 labeling of oligonucleotides and have now demonstrated that it is possible to label PNAs in sufficient quantity and with high specific radioactivity for PET studies in a time compatible with the half life of fluorine‐18. Copyright © 2002 John Wiley & Sons, Ltd.

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