Chimeric single-stranded antisense polynucleotides and double-stranded antisense agent

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United States of America Patent

PATENT NO 10844374
APP PUB NO 20170275627A1
SERIAL NO

15616120

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Abstract

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Chimeric single-stranded polynucleotides and double-stranded antisense agents useful for modifying the expression of a target gene by means of an antisense effect are disclosed. The chimeric single-stranded antisense polynucleotide and double-stranded antisense agents comprise a central nucleotide region flanked by a first 5′-wing region and a first 3′-wing region of modified nucleotides, which are themselves flanked by a second 5′-wing region and/or a second 3′-wing region of nucleotides that have a low affinity for proteins and/or that have higher resistance to DNase or RNase than a natural DNA or RNA and are missing in a cell when the chimeric polynucleotide delivered. The double-stranded antisense agent further comprises a complementary strand annealed to the antisense strand. The polynucleotide can be used to modify RNA transcription levels, miRNA activity, or protein levels in cells.

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Patent Owner(s)

Patent OwnerAddress
NATIONAL UNIVERSITY CORPORATION TOKYO MEDICAL AND DENTAL UNIVERSITY1-5-45 YUSHIMA BUNKYO-KU TOKYO 1138510

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mizusawa, Hidehiro Tokyo, JP 15 32
Nishina, Kazutaka Tokyo, JP 15 42
Wada, Takeshi Tokyo, JP 182 3234
Yokota, Takanori Tokyo, JP 36 55

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