学術雑誌論文 Deciphering the genomic targets of alkylating polyamide conjugates using high-throughput sequencing

Chandran, Anandhakumar  ,  Syed, Junetha  ,  Taylor, Rhys D.  ,  Kashiwazaki, Gengo  ,  Sato, Shinsuke  ,  Hashiya, Kaori  ,  Bando, Toshikazu  ,  Sugiyama, Hiroshi

44 ( 9 )  , pp.4014 - 4024 , 2016-05-19 , Oxford University Press
ISSN:1362-4962
内容記述
Chemically engineered small molecules targeting specific genomic sequences play an important role in drug development research. Pyrrole-imidazole polyamides (PIPs) are a group of molecules that can bind to the DNA minor-groove and can be engineered to target specific sequences. Their biological effects rely primarily on their selective DNA binding. However, the binding mechanism of PIPs at the chromatinized genome level is poorly understood. Herein, we report a method using high-throughput sequencing to identify the DNA-alkylating sites of PIP-indole-seco-CBI conjugates. High-throughput sequencing analysis of conjugate 2 showed highly similar DNA-alkylating sites on synthetic oligos (histone-free DNA) and on human genomes (chromatinized DNA context). To our knowledge, this is the first report identifying alkylation sites across genomic DNA by alkylating PIP conjugates using high-throughput sequencing.
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http://repository.kulib.kyoto-u.ac.jp/dspace/bitstream/2433/216363/1/nar_gkw283.pdf

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