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Inhibition of ICAM-1 gene expression by antisense 2',4'-BNA oligonucleotides
S Obika1, R Hemamayi, T Masuda
1Graduate School of Pharmaceutical Sciences, Osaka University, 1-6 Yamadaoka, Suita, Osaka 565-0871, Japan.
Nucleic Acids Research. Supplement (2001)
|July 3, 2003
Abstract:
We have previously reported that 2'-O,4'-C-methylene bridged nucleic acid (2',4'-BNA) had unprecedented binding affinity towards its complementary RNA. We reported herein that the antisense 2',4'-BNA oligonucleotides showed potent inhibitory effect on gene expression of Intercellular Adhesion Molecule-1 (ICAM-1) in living cells. The contribution of RNase H to this antisense effect and adequate stability of 2',4'-BNA oligonucleotides to enzymatic degradation were also demonstrated.