ArticleCellular and molecular life sciences : CMLS2005
Interference with MCP-1 gene expression by vector generated triple helix-forming RNA oligonucleotides.
Article in Cellular and molecular life sciences : CMLS, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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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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0 citing papers in PubMed, 2 citations in OpenAlex.
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3 authors at 1 institution in 1 country.
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Abstract
Triple helix-forming oligonucleotides (TFOs) that specifically bind to double-stranded DNA sequences can be rationally designed, while intracellular delivery of single stranded RNA TFOs has not yet been studied in detail. In this report, we demonstrate gene and sequence-specific inhibition of MCP-1 gene expression due to interference of intracellular-generated single-stranded RNA (CU-TFO) with an overlapping SP-1/AP-1 target. Binding of synthetic 19-nucleotide (19-nt) CU-TFO to the MCP-1 promoter duplex was verified by triplex blotting. Furthermore, we confirmed binding of a 1.1-kb fusion transcript containing the 19-nt pyrimidine CU sequence to a plasmid-encoded MCP-1 promoter target duplex at pH 7.0. In tumour necrosis factor-alpha-stimulated HEK cells, CU-TFOs inhibited MCP-1 protein release by 76 +/- 10.2% compared to intracellular-generated control oligonucleotides. Interleukin-8 as a control target gene was not affected by CU-TFO, confirming both highly specific and effective chemokine gene repression by transfectable TFO-shuttle vectors.
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