Cardiac Troponin I is a protein found in cardiac muscle, with a molecular weight of 22.500 daltons. Together with Troponin T and C, it forms a structural complex which—after cardiac damage—is released into blood circulation.
Troponin I is also found in skeletal muscles, but it differs in its amino acid composition from cardiac Troponin I. Different Troponins can be immunologically distinguished from each other.
Troponin I is released into blood stream soon after onset of acute cardiac damage. A detectable level is reached after 3–6 hours after AMI.
cTnI concentration in normal serum is below 0.1 ng/ml. Levels as high as 100–300 ng/ml have been measured with some AMI patients.
Labmaster Troponin I Kit ELISA
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