Molecular markers for the diagnosis of human diseases including Crohn's disease
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United States of America Patent
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Nov 21, 2000
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app pub date -
Sep 26, 1997
filing date -
Sep 26, 1997
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Abstract
The present invention relates to an arbitrarily primed PCR-based method to identify genetic marker associated with a pathology, which comprises the steps of: a) collecting heterogeneous nucleic acid samples from diseased and healthy tissues; b) determining quantities of the nucleic acid pools by specific amplification of a fragment of glyceraldehyde-phosphate dehydrogenase (GAPDH) mRNA; c) amplifying nucleic acid pools of step b) using non-specific sense and antisense primers to obtain clear patterns of nucleic acid sequences; and d) subjecting amplified nucleic acid sequences to gel electrophoresis to obtain fingerprints of both diseased and healthy, wherein bands predominantly associated with diseased tissues are markers for the pathology. The present invention also relates to a RNA expression marker for the diagnosis of Crohn's disease, which comprises a 3.1 kb RNA sequence, and uses thereof.
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