Tests
High Sensitivity Troponin T Assay
A chemiluminescence immunoassay capable of detecting very low levels of troponin T in serum.
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Tests
A chemiluminescence immunoassay capable of detecting very low levels of troponin T in serum.
Indicators
Troponin I, troponin T, and troponin C are the three closely associated subunits of the troponin complex of thin filaments in muscle. The complex serves as a calcium-sensitive switch that regulates muscle contraction. Troponin T binds tropomyosin to the troponin complex and inhibits F-actin-myosin interactions. The troponin T gene family comprises three isoforms: slow skeletal (TNNT1), cardiac (TNNT2) and fast skeletal (TNNT3). Because it is not normally found in blood, cardiac troponin-T in serum is a sensitive indicator of myocardial cell injury.
Tests
A troponin test measures the level of troponin in a sample of your blood. Troponin is a protein that's found in the cells of your heart muscle.
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Indicators
Troponin I, troponin T, and troponin C are the three closely associated subunits of the troponin complex of thin filaments in muscle. The complex serves as a calcium-sensitive switch that regulates muscle contraction. In the absence of calcium, Troponin I binds actin, inhibits actomyosin ATPase activity, and inhibits F-actin-myosin interactions. The troponin I gene family comprises three isoforms: skeletal TNI-fast, skeletal TNI-slow, and TNI-cardiac. (from OMIM 191044, 191043, 191042 and NCI)
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Article
Research record from PLoS One, 2026-04-08. PMID 41950232.
Indicators
Proteins released into blood when heart muscle is injured; the central laboratory marker in suspected heart attack.
Tests
Blood proteins released when heart muscle is injured; the primary laboratory marker in the evaluation of possible acute myocardial infarction.
Tests
This test measures the amount of creatine kinase (CK) in a sample of your blood. CK is also called creatine phosphokinase (CPK).