Method for the direct diagnostic detection of genetically caused pathogenic point mutations
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United States of America Patent
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Dec 4, 2001
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N/A
app pub date -
Apr 6, 1999
filing date -
Jun 21, 1996
priority date (Note) -
Expired
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Abstract
The present invention relates to a quick method for the qualitative and quantitative medical-diagnostic analysis on the protein level of the substitution of single amino acids with pathogenic and non-pathogenic effects on the organism. The medical-diagnostic analysis is performed by a combination of enzymatic or chemical cleavage of the isolated peptide, chromatographical separation of the fragments and analysis by mass spectrometry, both direct LC/MS and indirect MALDI-MS, and analysis by capillary electrophoresis. By comparing protein samples from healthy humans with those of ill humans, the method described is suitable for establishing new, as yet unknown mutations and quantifying the expression and incorporation of wild type to mutant.
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