Aptamer-mediated intracellular delivery of oligonucleotides
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United States of America Patent
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Issued Date -
Sep 4, 2008
app pub date -
Mar 12, 2008
filing date -
Apr 19, 2004
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Abandoned
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Abstract
Compositions and methods to mediate the intracellular and sub-cellular delivery of therapeutic, diagnostic and imaging agents, such as oligonucleotides. The compositions of the invention include nucleic acid conjugates comprising a delivery aptamer that is connected to an oligonucleotide. The delivery aptamer may be connected directly to the oligonucleotide, or may be connected indirectly to the oligonucleotide, such as through a linker. The oligonucleotide may be either a therapeutic, diagnostic or imaging oligonucleotide. The methods of the invention are used to increase potency, or alter distribution, half-life, metabolic fate, toxicity and other characteristics.
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