Document Detail

Site-specific cleavage of mutant ABL mRNA by DNAzyme is facilitated by peptide nucleic acid binding to RNA substrate.
MedLine Citation:
PMID:  23010596     Owner:  NLM     Status:  Publisher    
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 imatinib-resistant cells were transfected with the facilitator PNA and DNAzyme, DNAzyme activity was enhanced and the cells were sensitized to imatinib treatment. Thus, facilitator PNA may be used to enhance activity of antisense oligonucleotide targeting the full-length transcript.
Ji Eun Kim; Soojin Yoon; Hyejung Mok; Woong Jung; Dong-Eun Kim
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-9-22
Journal Detail:
Title:  FEBS letters     Volume:  -     ISSN:  1873-3468     ISO Abbreviation:  FEBS Lett.     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-9-26     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0155157     Medline TA:  FEBS Lett     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012. Published by Elsevier B.V.
Department of Bioscience and Biotechnology, Konkuk University, Seoul 143-701,Republic of Korea.
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