Cited by 93DNA and Nucleic Acid ChemistryAdvanced biosensing and bioanalysis techniquesRNA Interference and Gene Delivery

Mirror‐Image Oligonucleotides: History and Emerging Applications

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Young, Brian E., Kundu, Nandini, Sczepanski, Jonathan T.·2019·Chemistry – A European Journal

Abstract

As chiral molecules, naturally occurring d‐oligonucleotides have enantiomers, l‐DNA and l‐RNA, which are comprised of l‐(deoxy)ribose sugars. These mirror‐image oligonucleotides have the same physical and chemical properties as that of their native d‐counterparts, yet are highly orthogonal to the stereospecific environment of biology. Consequently, l‐oligonucleotides are resistant to nuclease degradation and many of the off‐target interactions that plague traditional d‐oligonucleotide‐based technologies; thus making them ideal for biomedical applications. Despite a flurry of interest during the early 1990s, the inability of d‐ and l‐oligonucleotides to form contiguous Watson–Crick base pairs with each other has ultimately led to the perception that l‐oligonucleotides have only limited utility. Recently, however, scientists have begun to uncover novel strategies to harness the bio‐orthogonality of l‐oligonucleotides, while overcoming (and even exploiting) their inability to Watson–Crick base pair with the natural polymer. Herein, a brief history of l‐oligonucleotide research is presented and emerging l‐oligonucleotide‐based technologies, as well as their applications in research and therapy, are presented.

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Authors
Young, B. E., Kundu, N., & Sczepanski, J. T.
Affiliations
Texas A&M University (US)
Corresponding author
Sczepanski, Jonathan T.
Venue
Chemistry – A European Journal
Publisher
Wiley
Published
2019-04-26
Volume
25
Issue
34
Pages
7981-7990
ISSN
  • 0947-6539 (ISSN-L)
  • 1521-3765
OpenAlex
W2924169513
Cited by
93
References
104
Citations by year
2026: 10 · 2025: 16 · 2024: 11 · 2023: 10 · 2022: 17 · 2021: 17 · 2020: 11 · 2019: 1
FWCI
1.02
Type
journal article
Language
en
Open access
Locations
  • Chemistry - A European Journal (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Cancer Prevention and Research Institute of Texas (RR150038)
  • National Institute of General Medical Sciences (R35GM124974)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA and Nucleic Acid Chemistry
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Advanced biosensing and bioanalysis techniques
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Interference and Gene Delivery
Keywords
L-DNA, chiral molecules, nuclease resistance, off-target interactions, Watson-Crick base pairing, oligonucleotide therapeutics
MeSH terms
Animals, Base Sequence, DNA, Humans, Nucleic Acid Conformation, Oligonucleotides, Ribose, RNA, Stereoisomerism, Biosensing Techniques, Base Pairing, Nanotechnology, Nanostructures

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