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Article Abstract
The introduction of N6-methyladenosine (m6 A) into siRNA targeting Factor VII impacts its potency in cells and has a significant influence on the selectivity of siRNA, including reduced off-targeting. These effects are dependent on the position of m6 A in the siRNA duplex, with some of the sequences identified as more potent and/or selective than their non-methylated counterpart. These findings broaden the repertoire of available chemical modifications for siRNA therapeutics and imply potential regulatory role of N6-methyladenosine in the RNAi pathways.
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