Site-specific cleavage of mutant ABL mRNA by DNAzyme is facilitated by peptide nucleic acid binding to RNA substrate.

Abstract

RNA-cleaving DNAzymes were constructed to target the point mutation in the BCR-ABL transcript that causes imatinib resistance in leukemic cells. We examined the effect of 12mer peptide nucleic acids (PNAs) as facilitator oligonucleotides that bind to RNA substrate at the termini of the DNAzyme to improve DNAzyme-mediated cleavage of full-length RNA. When… (More)
DOI: 10.1016/j.febslet.2012.09.013

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