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Clin Chem Lab Med. 1998 Jun;36(6):361-5.

Antigenic definition of cardiac troponin I.

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Sanofi Diagnostics Pateur, Marnes-la-Coquette, France.


The presence of cardiac troponin I in the serum is now considered as one of the most specific biochemical markers of acute myocardial infarction. To improve the knowledge of the antigenic properties of cardiac Troponin I, a set of monoclonal antibodies and polyclonal antibodies against human cardiac troponin I has been tested with overlapping peptides covering the cardiac troponin I sequence. The results indicate that N-terminal and C-terminal cardiac troponin I regions were most often recognized by poly- and monoclonal antibodies. These observations are valuable for choosing the best combination of monoclonal antibodies to set up new immunoassays to detect serum cardiac troponin I earlier after myocardial damage, to understand better which forms are released, and finally to propose appropriate cardiac troponin I standards.

[Indexed for MEDLINE]

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