Methods for the assay of troponin I and T and complexes of troponin I and T and selection of antibodies for use in immunoassays
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United States of America Patent
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Feb 14, 2012
Grant Date -
Jun 16, 2011
app pub date -
Jan 7, 2011
filing date -
Apr 18, 1995
priority date (Note) -
Expired
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Abstract
Assay systems and specialized antibodies for the detection and quantitation of troponin I and troponin T in body fluids as an indicator of myocardial infarction are disclosed. Troponin I and T exist in various conformations and the ratios of monomeric troponin I and T and the binary and ternary complexes, as well as which form of troponin present in the blood, may be related to the metabolic state of the heart. Disclosed are systems to determine the presence of a troponin form or a group of troponin forms in whole blood, serum or plasma samples.Disclosed is a method for improving the recovery of troponin I or T from a surface used in immunoassays.Also disclosed are antibodies which recognize unbound troponin forms, the forms of troponin in binary complexes, the ternary complex of troponin I, T and C, and the conformations of troponin I having intramolecularly oxidized and reduced cysteines.
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