Microarrays and uses therefor
First Claim
1. A method of comparing protein expression in two or more populations of cells, said method comprising:
- (a) contacting an array of antibodies bound to a solid surface with a cell lysate of a first cell population, generating a first binding pattern;
(b) contacting a duplicate array of antibodies on a solid surface with a cell lysate of a second cell population, generating a second binding pattern; and
(c) comparing the binding pattern of the first cell lysate with the binding pattern of the second cell lysate.
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Abstract
Methods of using microarrays to simplify analysis and characterization of genes and their function are provided. Such methods can be used to identify and characterize antibodies having binding affinity for a specific target antigen. A method of determining gene expression at the protein level by contacting an array of characterized or uncharacterized antibodies on a solid surface with one or more proteins and identifying the antibodies to which said protein(s) binds also is provided. This method can be used to compare the protein expression in two different populations of cells, such as normal cells and cancer cells or resting cells and stimulated cells. In addition, a method of determining gene expression at the protein level by contacting a microarray of nucleic acid samples derived from a variety of different sources with one or more nucleic acid probes then identifying the sample or samples to which the probe binds is provided.
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Citations
13 Claims
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1. A method of comparing protein expression in two or more populations of cells, said method comprising:
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(a) contacting an array of antibodies bound to a solid surface with a cell lysate of a first cell population, generating a first binding pattern; (b) contacting a duplicate array of antibodies on a solid surface with a cell lysate of a second cell population, generating a second binding pattern; and (c) comparing the binding pattern of the first cell lysate with the binding pattern of the second cell lysate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of comparing protein expression in two or more protein samples, said method comprising:
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(a) contacting an array of antibodies bound to a solid surface with a first protein sample, generating a first binding pattern; (b) contacting a duplicate array of antibodies on a solid surface with a second protein sample, generating a second binding pattern; and (c) comparing the binding pattern of the first protein sample with the binding pattern of the second protein sample. - View Dependent Claims (10, 11, 12, 13)
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Specification