Regulation of endogenous gene expression in cells using zinc finger proteins
First Claim
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1. A method of inhibiting transcription of an endogenous cellular gene in an isolated cell, the method comprising the steps of:
- administering to the cell a nucleic acid molecule comprising a polynucleotide sequence which encodes a first zinc finger protein, wherein said first zinc finger protein is engineered, wherein said polynucleotide sequence is operably linked to a promoter, and wherein the nucleic acid molecule expresses the first zinc finger protein in the cell; and
contacting a first target site in the endogenous cellular gene with the first zinc finger protein, wherein the Kd of the zinc finger protein is less than about 25 nM;
thereby inhibiting transcription of the endogenous cellular gene by at least about 20%.
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Abstract
The present invention provides methods for modulating expression of endogenous cellular genes using recombinant zinc finger proteins.
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Citations
85 Claims
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1. A method of inhibiting transcription of an endogenous cellular gene in an isolated cell, the method comprising the steps of:
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administering to the cell a nucleic acid molecule comprising a polynucleotide sequence which encodes a first zinc finger protein, wherein said first zinc finger protein is engineered, wherein said polynucleotide sequence is operably linked to a promoter, and wherein the nucleic acid molecule expresses the first zinc finger protein in the cell; and
contacting a first target site in the endogenous cellular gene with the first zinc finger protein, wherein the Kd of the zinc finger protein is less than about 25 nM;
thereby inhibiting transcription of the endogenous cellular gene by at least about 20%. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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9. A method of inhibiting transcription of an endogenous cellular gene in an isolated cell, the method comprising the steps of:
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administering to the cell a nucleic acid molecule comprising a fusion zinc finger protein encoding nucleic acid operably linked to a promoter, wherein the nucleic acid molecule expresses a fusion zinc finger protein in the cell, and wherein the fusion zinc finger protein comprises six fingers and a regulatory domain; and
contacting a target site in the endogenous cellular gene with the fusion zinc finger protein, wherein the Kd of the fusion zinc finger protein is less than about 25 nM;
thereby inhibiting transcription of the endogenous cellular gene by at least about 20%.
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30. A method of activating transcription of an endogenous cellular gene in an isolated cell, the method comprising the steps of:
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administering to the cell a nucleic acid molecule comprising a polynucleotide sequence which encodes a first zinc finger protein, wherein said first zinc finger protein is engineered, wherein said polynucleotide sequence is operably linked to a promoter, and wherein the nucleic acid molecule expresses the zinc finger protein in the cell; and
contacting a first target site in the endogenous cellular gene with the first zinc finger protein, wherein the Kd of the zinc finger protein is less than about 25 nM;
thereby activating transcription of the endogenous cellular gene to at least about 150%. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58)
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38. A method of activating transcription of an endogenous cellular gene in an isolated cell, the method comprising the steps of:
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administering to the cell a nucleic acid molecule comprising a fusion zinc finger protein-encoding nucleic acid operably linked to a promoter, wherein the nucleic acid molecule expresses a fusion zinc finger protein in the cell, and wherein the fusion zinc finger protein comprises six fingers and a regulatory domain; and
contacting a target site in the endogenous cellular gene with the fusion zinc finger protein, wherein the Kd of the fusion zinc finger protein is less than about 25 nM;
thereby activating transcription of the endogenous cellular gene to at least about 150%.
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59. A method of modulating transcription of an endogenous cellular gene in an isolated cell, the method comprising the steps of:
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administering to the cell a nucleic acid molecule comprising a polynucleotide sequence which encodes a first zinc finger protein, wherein said first zinc finger protein is engineered, wherein said polynucleotide sequence is operably linked to a promoter, and wherein the nucleic acid molecule expresses the zinc finger protein in the cell; and
contacting a first target site in the endogenous cellular gene with the zinc finger protein, thereby modulating transcription of the endogenous cellular gene. - View Dependent Claims (60, 61, 62, 63, 64, 65, 66, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85)
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67. A method of modulating transcription of an endogenous cellular gene in an isolated cell, the method comprising the steps of:
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administering to the cell a nucleic acid molecule comprising a fusion zinc finger protein-encoding nucleic acid operably linked to a promoter, wherein the nucleic acid molecule expresses a fusion zinc finger protein in the cell, and wherein the fusion zinc finger protein comprises six fingers and a regulatory domain; and
contacting a target site in the endogenous cellular gene with the fusion zinc finger protein;
thereby modulating transcription of the endogenous cellular gene.
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Specification