ArticleMolecules (Basel, Switzerland)2024
Cholesterol Conjugates of Small Interfering RNA: Linkers and Patterns of Modification.
Article in Molecules (Basel, Switzerland), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
5 citing papers in PubMed, 6 citations in OpenAlex.
- 1'-Sugar-Tethered Cholesterol-Modified siRNAs with Variable Linker Lengths for Carrier-Free Delivery and Enhanced RNAi Efficiency.ACS omega · 2026Article
- Exploring the Potential of Receptor Silencing in the Tumor Microenvironment by RNA Interference.Biomolecules · 2026Review
- Small Interfering RNA Carriers for Oncotherapy: A Preclinical Overview.Pharmaceutics · 2025Review
- piRNA28846 has the potential to be a novel RNA nucleic acid drug for ovarian cancer.NPJ precision oncology · 2025Article
- Extracellular vesicle mimetics as delivery vehicles for oligonucleotide-based therapeutics and plasmid DNA.Frontiers in bioengineering and biotechnology · 2024Article
Corrections and comments
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
Abstract
Cholesterol siRNA conjugates attract attention because they allow the delivery of siRNA into cells without the use of transfection agents. In this study, we compared the efficacy and duration of silencing induced by cholesterol conjugates of selectively and totally modified siRNAs and their heteroduplexes of the same sequence and explored the impact of linker length between the 3' end of the sense strand of siRNA and cholesterol on the silencing activity of "light" and "heavy" modified siRNAs. All 3'-cholesterol conjugates were equally active under transfection, but the conjugate with a C3 linker was less active than those with longer linkers (C8 and C15) in a carrier-free mode. At the same time, they were significantly inferior in activity to the 5'-cholesterol conjugate. Shortening the sense strand carrying cholesterol by two nucleotides from the 3'-end did not have a significant effect on the activity of the conjugate. Replacing the antisense strand or both strands with fully modified ones had a significant effect on silencing as well as improving the duration in transfection-mediated and carrier-free modes. A significant 78% suppression of
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.