PAGE and UV melting analysis revealed that longer LNA-based splice-switching oligonucleotides (SSOs) formed secondary structures by themselves, reducing their effective concentration. To avoid such secondary structure formation, we introduced 7-deaza-2'-deoxyguanosine or 2'-deoxyinosine into the SSOs. These modified SSOs, with fewer secondary structures, showed higher exon skipping activities.
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| http://dx.doi.org/10.1039/c8cc09648a | DOI Listing |
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