Search Results - "Guenther, Dale"
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Expanding RNAi therapeutics to extrahepatic tissues with lipophilic conjugates
Published in Nature biotechnology (01-10-2022)“…Therapeutics based on short interfering RNAs (siRNAs) delivered to hepatocytes have been approved, but new delivery solutions are needed to target additional…”
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2
Small circular interfering RNAs (sciRNAs) as a potent therapeutic platform for gene-silencing
Published in Nucleic acids research (11-10-2021)“…In order to achieve efficient therapeutic post-transcriptional gene-silencing mediated by the RNA interference (RNAi) pathway, small interfering RNAs (siRNAs)…”
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3
Recognition of double-stranded DNA using LNA-modified toehold Invader probes
Published in Organic & biomolecular chemistry (03-11-2021)“…Development of molecules capable of binding to specific sequences of double-stranded (ds) DNA continues to attract considerable interest, as this may yield…”
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4
Single-Stranded Hairpin Loop RNAs (loopmeRNAs) Potently Induce Gene Silencing through the RNA Interference Pathway
Published in Journal of the American Chemical Society (07-10-2024)“…Synthetic small interfering RNAs conjugated to trivalent N-acetylgalactosamine (GalNAc) are clinically validated drugs for treatment of liver diseases…”
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4′‑C‑Methoxy-2′-deoxy-2′-fluoro Modified Ribonucleotides Improve Metabolic Stability and Elicit Efficient RNAi-Mediated Gene Silencing
Published in Journal of the American Chemical Society (18-10-2017)“…We designed novel 4′-modified 2′-deoxy-2′-fluorouridine (2′-F U) analogues with the aim to improve nuclease resistance and potency of therapeutic siRNAs by…”
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6
Structural basis for the synergy of 4′- and 2′-modifications on siRNA nuclease resistance, thermal stability and RNAi activity
Published in Nucleic acids research (19-09-2018)“…Abstract Chemical modification is a prerequisite of oligonucleotide therapeutics for improved metabolic stability, uptake and activity, irrespective of their…”
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Chimeric siRNAs with chemically modified pentofuranose and hexopyranose nucleotides: altritol-nucleotide (ANA) containing GalNAc-siRNA conjugates: in vitro and in vivo RNAi activity and resistance to 5'-exonuclease
Published in Nucleic acids research (07-05-2020)“…In this report, we investigated the hexopyranose chemical modification Altriol Nucleic Acid (ANA) within small interfering RNA (siRNA) duplexes that were…”
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Bulged Invader probes: activated duplexes for mixed-sequence dsDNA recognition with improved thermodynamic and kinetic profiles
Published in Chemical communications (Cambridge, England) (18-10-2015)“…Double-stranded oligonucleotides with +1 interstrand zipper arrangements of intercalator-functionalized nucleotides are energetically activated for recognition…”
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Shorter Is Better: The α‑(l)‑Threofuranosyl Nucleic Acid Modification Improves Stability, Potency, Safety, and Ago2 Binding and Mitigates Off-Target Effects of Small Interfering RNAs
Published in Journal of the American Chemical Society (13-09-2023)“…Chemical modifications are necessary to ensure the metabolic stability and efficacy of oligonucleotide-based therapeutics. Here, we describe analyses of the…”
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10
Role of a “Magic” Methyl: 2′-Deoxy-2′-α-F-2′-β‑C‑methyl Pyrimidine Nucleotides Modulate RNA Interference Activity through Synergy with 5′-Phosphate Mimics and Mitigation of Off-Target Effects
Published in Journal of the American Chemical Society (17-08-2022)“…Although 2′-deoxy-2′-α-F-2′-β-C-methyl (2′-F/Me) uridine nucleoside derivatives are a successful class of antiviral drugs, this modification had not been…”
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11
Impact of non-nucleotidic bulges on recognition of mixed-sequence dsDNA by pyrene-functionalized Invader probes
Published in Organic & biomolecular chemistry (24-06-2020)“…Invader probes, i.e., DNA duplexes modified with +1 interstrand zippers of intercalator-functionalized nucleotides like 2'-O-(pyren-1-yl)methyl-RNA monomers,…”
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12
Recognition of Mixed-Sequence DNA Duplexes: Design Guidelines for Invaders Based on 2′‑O‑(Pyren-1-yl)methyl-RNA Monomers
Published in Journal of organic chemistry (06-12-2013)“…The development of agents that recognize mixed-sequence double-stranded DNA (dsDNA) is desirable because of their potential as tools for detection, regulation,…”
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13
Recognition of mixed-sequence DNA using double-stranded probes with interstrand zipper arrangements of O2'-triphenylene- and coronene-functionalized RNA monomers
Published in Organic & biomolecular chemistry (15-11-2017)“…Development of hybridization-based probes that enable recognition of specific mixed-sequence double-stranded DNA (dsDNA) regions is of considerable interest…”
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14
Head-to-head comparison of LNA, MP γPNA, INA and Invader probes targeting mixed-sequence double-stranded DNA
Published in Organic & biomolecular chemistry (01-01-2020)“…Four probe chemistries are characterized and compared with respect to thermal denaturation temperatures (Tms), thermodynamic parameters associated with duplex…”
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15
Sandwich assay for mixed-sequence recognition of double-stranded DNA: invader-based detection of targets specific to foodborne pathogens
Published in Chemical communications (Cambridge, England) (28-10-2013)“…A 96-well plate sandwich assay based on Invader capture/signalling probes is used to recognize 28-mer mixed-sequence dsDNA targets specific to Salmonella…”
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16
Carbohydrate-Functionalized Locked Nucleic Acids: Oligonucleotides with Extraordinary Binding Affinity, Target Specificity, and Enzymatic Stability
Published in Organic letters (20-06-2014)“…Three different C5-carbohydrate-functionalized LNA uridine phosphoramidites were synthesized and incorporated into oligodeoxyribonucleotides…”
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Synthesis and biophysical characterization of oligonucleotides modified with O2'-alkylated RNA monomers featuring substituted pyrene moieties
Published in Organic & biomolecular chemistry (16-01-2019)“…Over the past three decades, a wide range of pyrene-functionalized oligonucleotides have been developed and explored for potential applications in material…”
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Recognition of double-stranded DNA using energetically activated duplexes with interstrand zippers of 1-, 2- or 4-pyrenyl-functionalized O2'-alkylated RNA monomers
Published in Organic & biomolecular chemistry (21-10-2014)“…Despite advances with triplex-forming oligonucleotides, peptide nucleic acids, polyamides and--more recently--engineered proteins, there remains an urgent need…”
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19
Invader probes: Harnessing the energy of intercalation to facilitate recognition of chromosomal DNA for diagnostic applications
Published in Chemical science (Cambridge) (01-08-2015)“…Development of probes capable of recognizing specific regions of chromosomal DNA has been a long-standing goal for chemical biologists. Current strategies such…”
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Synthesis and Biophysical Properties of C5-Functionalized LNA (Locked Nucleic Acid)
Published in Journal of organic chemistry (06-06-2014)“…Oligonucleotides modified with conformationally restricted nucleotides such as locked nucleic acid (LNA) monomers are used extensively in molecular biology and…”
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