Nucleic acid ligand inhibitors of human neutrophil elastase
First Claim
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1. A nucleic acid ligand to elastase identified according to a method comprising the steps of:
- a) contacting a candidate mixture of nucleic acids with elastase, wherein nucleic acids having an increased affinity to elastase relative to the candidate mixture may be partitioned from the remainder of the candidate mixture;
b) partitioning the increased affinity nucleic acids from the remainder of the candidate mixture; and
c) amplifying the increased affinity nucleic acids to yield a ligand-enriched mixture of nucleic acids, whereby a nucleic acid ligand to elastase may be identified.
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Abstract
Methods are described for the identification and preparation of nucleic acid ligands to human neutrophil elastase. Included in the invention are specific RNA and DNA ligands to elastase identified by the SELEX method.
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Citations
12 Claims
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1. A nucleic acid ligand to elastase identified according to a method comprising the steps of:
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a) contacting a candidate mixture of nucleic acids with elastase, wherein nucleic acids having an increased affinity to elastase relative to the candidate mixture may be partitioned from the remainder of the candidate mixture; b) partitioning the increased affinity nucleic acids from the remainder of the candidate mixture; and c) amplifying the increased affinity nucleic acids to yield a ligand-enriched mixture of nucleic acids, whereby a nucleic acid ligand to elastase may be identified. - View Dependent Claims (8, 9, 10, 11, 12)
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- 2. A purified and isolated non-naturally occurring RNA ligand to elastase.
- 5. A purified and isolated non-naturally occurring DNA ligand to elastase.
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7. A purified and isolated non-naturally occurring nucleic acid ligand to elastase identified according to a method comprising the steps of:
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a) contacting a candidate mixture of nucleic acids with elastase, wherein nucleic acids having an increased affinity to elastase relative to the candidate mixture may be partitioned from the remainder of the candidate mixture; b) partitioning the increased affinity nucleic acids from the remainder of the candidate mixture; and c) amplifying the increased affinity nucleic acid to yield a ligand enriched mixture of nucleic acids, whereby a nucleic acid ligand to elastase may be identified.
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Specification