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- W1969362293 abstract "Basic fibroblast growth factor (bFGF), a potent mitogen for arterial smooth muscle cells, has been shown to play a fundamental role in the pathogenesis of arteriosclerosis and restenosis by stimulating the proliferation of vascular smooth muscle cells. We found that partially phosphorothioate-modified 15-residue antisense oligodeoxynucleotides complementary to bFGF mRNA at 0.1–2.0 μM block growth and division of cultured human and bovine coronary smooth muscle cells in a dose-dependent manner. The effect is sequence specific at low (0.1–0.5 μM) nontoxic concentrations. It is associated with inhibition of expression of pericellular and intracellular bFGF, with a decreased de novo synthesis of bFGF and is partly reversible by the addition of exogenous (recombinant) bFGF. The antisense effect lasts 48–72 h and diminishes thereafter. If the antisense oligodeoxynucleotide medium is replaced by an oligo-nucleotide-free medium after 24 h, the [3H]thymidine incorporation rate returns to control levels. Under the same conditions, the corresponding sense oligodeoxynucleotide exerts negligible nonspecific inhibitory actions. The antiproliferative potency of the 15-residue antisense oligodeoxynucleotide is markedly enhanced by adding 3–4 nonbase-pairing guanosine residues at the 5′- and 3′-termini of the 15-residue antisense oligonucleotide. The data implicate bFGF in the process of smooth muscle cell proliferation and an effective and specific antiproliferative potency of bFGF-specific antisense oligonucleotides. The results point to possible new therapeutic strategies for the use of antisense methodology in the suppression of post-angioplasty restenosis." @default.
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- W1969362293 date "1997-09-01" @default.
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- W1969362293 title "Sequence-Specific Antiproliferative Effects of Antisense and End-Capping-Modified Antisense Oligodeoxynucleotides Targeted against the 5'-Terminus of Basic-Fibroblast-Growth-Factor mRNA in Coronary Smooth Muscle Cells" @default.
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- W1969362293 doi "https://doi.org/10.1111/j.1432-1033.1997.00543.x" @default.
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