COMPOSITIONS AND METHODS FOR ENHANCED SENSITIVITY AND SPECIFICITY OF NUCLEIC ACID SYNTHESIS
First Claim
1. A composition for inhibiting nucleic acid synthesis, comprising a nucleic acid inhibitor that is capable of binding or has affinity to an enzyme with polymerase activity.
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Abstract
The present invention relates to nucleic acid inhibitors, compositions and method for enhancing synthesis of nucleic acid molecules. In a preferred aspect, the invention relates to inhibition or control of nucleic acid synthesis, sequencing or amplification. Specifically, the present invention discloses nucleic acids having affinity for polypeptides with polymerase activity for use in such synthesis, amplification or sequencing reactions. The nucleic acid inhibitors are capable of inhibiting nonspecific nucleic acid synthesis under certain conditions (e.g., at ambient temperatures). Thus, in a preferred aspect, the invention relates to “hot start” synthesis of nucleic acid molecules. Accordingly, the invention prevents, reduces or substantially reduces nonspecific nucleic acid synthesis. The invention also relates to kits for synthesizing, amplifying, reverse transcribing or sequencing nucleic acid molecules comprising one or more of the nucleic acid inhibitors or compositions of the invention. The invention also relates to using the inhibitors of the invention to prevent viral replication or treat viral infections in a subject. Thus, the invention relates to therapeutic methods and pharmaceutical compositions using the inhibitors of the invention. The invention thus may be used for in vivo and in vitro inhibition of nucleic acid synthesis and/or inhibition of polymerase activity.
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Citations
59 Claims
- 1. A composition for inhibiting nucleic acid synthesis, comprising a nucleic acid inhibitor that is capable of binding or has affinity to an enzyme with polymerase activity.
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36. An oligonucleotide comprising a 5′
- - and a 3′
-portion, wherein said 3′
-portion comprises a series of contiguous deoxyribonucleotides or derivatives thereof and said 5′
-portion comprises a series of contiguous ribonucleotides or derivatives thereof and wherein all or a portion of said 3′
-portion is capable of base pairing to all or a portion of said 5′
-portion. - View Dependent Claims (37, 38, 39, 40, 41, 42)
- - and a 3′
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43. A method of inhibiting a polymerase enzyme within a cell, comprising:
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introducing into a cell an oligonucleotide, said oligonucleotide comprising a 5′
- and a 3′
-portion, wherein said 3′
-portion comprises a series of contiguous deoxyribonucleotides or derivatives thereof and said 5′
-portion comprises a series of contiguous ribonucleotides or derivatives thereof and wherein all or a portion of said 3′
-portion is capable of base pairing to all or a portion of said 5′
-portion; andcausing the inhibition of the polymerase with said oligonucleotide. - View Dependent Claims (44, 45, 46)
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47. A method of inhibiting replication of a virus, comprising:
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providing a virus, said virus comprising a reverse transcriptase and requiring activity of the reverse transcriptase for replication; contacting said reverse transcriptase with an oligonucleotide that inhibits activity of said reverse transcriptase thereby inhibiting replication of said virus. - View Dependent Claims (48, 49, 50, 51)
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52. A method of treating a viral infection in a subject, comprising:
administering to said subject a composition comprising an oligonucleotide comprising a 5′
- and a 3′
-portion, wherein said 3′
-portion comprises a series of contiguous deoxyribonucleotides or derivatives thereof and said 5′
-portion comprises a series of contiguous ribonucleotides or derivatives thereof and wherein all or a portion of said 3′
-portion is capable of base pairing to all or a portion of said 5′
-portion.
- 53. An oligonucleotide which binds or has affinity for one or more reverse transcriptases.
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56. A method of inhibiting one or more reverse transcriptases comprising:
contacting a sample or a cell with one or more oligonucleotides which binds or has affinity for one or more reverse transcriptases causing said oligonucleotides to inhibit the polymerase activity of said reverse transcriptases. - View Dependent Claims (57)
Specification