Novel amphiphilic nucleic acid conjugates
First Claim
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1. A method for inhibiting the maturation or translation of a messenger RNA in a cell, said method comprising:
- contacting said cell with a composition comprising an oligonucleotide sequence complementary to a transcription product of said cell and a group covalently linked to said oligonucleotide sequence to provide an amphiphilic molecule, whereby said composition migrates into the cell interior resulting in the inhibition of maturation and/or translation of said transcription product.
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Abstract
Novel oligonucleotide conjugates are provided, where oligonucleotides are joined through a linking arm to a hydrophobic moiety. The resulting conjugates are more efficient in membrane transport, so as to be capable of crossing the membrane and effectively modulating a transcriptional system. In this way, the compositions can be used in vitro and in vivo, for studying cellular processes, protecting mammalian hosts from pathogens, and the like.
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Citations
19 Claims
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1. A method for inhibiting the maturation or translation of a messenger RNA in a cell, said method comprising:
contacting said cell with a composition comprising an oligonucleotide sequence complementary to a transcription product of said cell and a group covalently linked to said oligonucleotide sequence to provide an amphiphilic molecule, whereby said composition migrates into the cell interior resulting in the inhibition of maturation and/or translation of said transcription product. - View Dependent Claims (2, 3, 4, 5, 6, 9, 10)
- 7. A method according to claim 7, wherein said aromatic group is a trityl group.
- 11. A cell comprising a composition comprising an oligonucleotide sequence complementary to a transcription product of said cell and an amphiphilic or hydrophobic group covalently linked to said oligonucleotide sequence to provide an amphiphilic molecule.
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13. A composition of matter comprising:
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an oligonucleotide sequence of at least six nucleotides complementary to a transcriptional product of a cell; an amphiphilic group comprising a polyalkyleneoxy group, wherein said alkylenes are of from 2 to 10 carbon atoms; a linker of at least one atom covalently bonded to said oligonucleotide sequence and to said amphiphilic group. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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Specification