Multi-genes expression profile
DCFirst Claim
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1. A multi-gene expression profile of a sample comprisinga hybridizing target;
- and a hybridizing probe comprising a collection of amplified specific nucleic acid messages, which amplified specific nucleic acid messages have been amplified in vitro simultaneously with RNA polymerase and a single primer linked to a RNA polymerase promoter, wherein said amplified specific nucleic acid messages each have a relative abundance which qualitatively reflects the relative representation of specific nucleic acid messages within the sample;
whereby the collection of amplified specific nucleic acid messages is a probe hybridizing to the target to form a multi-gene expression profile.
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Abstract
This invention relates to the use of promoters for ribonucleic acid amplification and other genetic manipulations. Processes are provided wherein complementary deoxyribonucleic acid (cDNA) is synthesized from a ribonucleic acid (RNA) sequence using a complementary primer linked to an RNA polymerase promoter region complement and then anti-sense RNA (aRNA) is transcribed from the cDNA by introducing an RNA polymerase capable of binding to the promoter region. Additional processes using the resulting aRNA are also described.
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6 Claims
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1. A multi-gene expression profile of a sample comprising
a hybridizing target; - and
a hybridizing probe comprising a collection of amplified specific nucleic acid messages, which amplified specific nucleic acid messages have been amplified in vitro simultaneously with RNA polymerase and a single primer linked to a RNA polymerase promoter, wherein said amplified specific nucleic acid messages each have a relative abundance which qualitatively reflects the relative representation of specific nucleic acid messages within the sample;
whereby the collection of amplified specific nucleic acid messages is a probe hybridizing to the target to form a multi-gene expression profile. - View Dependent Claims (2, 3, 5, 6)
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4. A multi-gene expression profile of a single cell comprising
a collection of amplified specific nucleic acid messages, which amplified specific nucleic acid messages have amplified in vitro simultaneously with an RNA polymerase and a single primer linked to an RNA polymerase promoter, wherein each of said amplified specific nucleic acid messages has a relative abundance which qualitatively reflects the relative abundance of the specific nucleic acid message within the sample; - and
a hybridizing target;
whereby the collection of amplified specific nucleic acid messages hybridizes to the target to form the multi-gene expression profile.
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Specification