Cellular delivery of a double-stranded oligonucleotide NFκB decoy by hybridization to complementary PNA linked to a cell-penetrating peptide
Gene Therapy, ISSN: 0969-7128, Vol: 11, Issue: 16, Page: 1264-1272
2004
- 49Citations
- 27Captures
- 1Mentions
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations49
- Citation Indexes49
- 49
- CrossRef32
- Captures27
- Readers27
- 24
- Mentions1
- References1
- 1
Article Description
The activation of nuclear factor κB (NFκB) is a key event in immune and inflammatory responses. In this study, a cell-penetrating transport peptide, transportan (TP) or its shorter analogue TP 10, was used to facilitate the cellular uptake of an NFκB decoy. Peptide nucleic acid (PNA) hexamer or nonamer was linked to the transport peptide by a disulfide bond. NFκB decoy oligonucleotide consisted of a double-stranded consensus sequence corresponding to the κB site localized in the IL-6 gene promoter, 5′-GGGACTTTCCC-3′, with a single-stranded protruding 3′-terminal sequence complementary to the PNA sequence was hybridized to the transport peptide-PNA construct. The ability of the transport peptide-PNA-NFκ B decoy complex to block the effect of interleukin (IL)-1β-induced NFκB activation and IL-6 gene expression was analyzed by electrophoretic mobility shift assay and reverse transcriptase-polymerase chain reaction in rat Rinm5F insulinoma cells. Preincubation with transport peptide-PNA-NFκB decoy (1 μM, 1 h) blocked IL-1β-induced NFκB-binding activity and significantly reduced the IL-6 mRNA expression. The same concentration of NFκB decoy in the absence of transport peptide-PNA had no effect even after longer incubations. Our results showed that binding of the oligonucleotide NFκB decoy to the nonamer PNA sequence resulted in a stable complex that was efficiently translocated across the plasma membrane. © 2004 Nature Publishing Group All rights reserved.
Bibliographic Details
Springer Science and Business Media LLC
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