High-affinity oligonucleotide ligands to immunoglobulin E (IgE)
First Claim
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1. A method for identifying nucleic acid ligands to Immunoglobulin E (IgE), comprising:
- a) preparing a candidate mixture of nucleic acids;
b) contacting said candidate mixture of nucleic acids with IgE, wherein nucleic acids having an increased affinity to the IgE relative to the candidate mixture may be partitioned from the remainder of the candidate mixture;
c) partitioning the increased affinity nucleic acids from the remainder of the candidate mixture; and
d) amplifying the increased affinity nucleic acids to yield a mixture of nucleic acids enriched for nucleic acid sequences with relatively higher affinity and specificity for binding to IgE, whereby nucleic acid ligands of IgE may be identified.
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Abstract
This invention discloses high-affinity oligonucleotide ligands to human Immunoglobulin E (IgE), specifically RNA ligands having the ability to bind to IgE, and the methods for obtaining such ligands. The ligands are capable of inhibiting the interaction of IgE with its receptor.
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5 Claims
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1. A method for identifying nucleic acid ligands to Immunoglobulin E (IgE), comprising:
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a) preparing a candidate mixture of nucleic acids; b) contacting said candidate mixture of nucleic acids with IgE, wherein nucleic acids having an increased affinity to the IgE relative to the candidate mixture may be partitioned from the remainder of the candidate mixture; c) partitioning the increased affinity nucleic acids from the remainder of the candidate mixture; and d) amplifying the increased affinity nucleic acids to yield a mixture of nucleic acids enriched for nucleic acid sequences with relatively higher affinity and specificity for binding to IgE, whereby nucleic acid ligands of IgE may be identified. - View Dependent Claims (2, 3, 4, 5)
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