present in skeletal and heart muscle; at this level, they regulate muscle contraction, controlling the calcium-mediated interaction of actin and myosin.
Cardiac troponins are specific isoforms of the heart and are normally present in the blood in very small quantities. When damage to heart muscle cells occurs, these proteins are released into the bloodstream: the greater the damage, the higher their concentration in the blood.
For this reason, the troponin test is useful to support the diagnosis of heart attack and other inflammatory or ischemic heart problems.
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Cardiac troponins are specific isoforms of the heart and are normally present in the blood in very small quantities. When damage to heart muscle cells occurs, these proteins are released into the bloodstream: the greater the damage, the higher their concentration in the blood.
For this reason, the troponin test is useful to support the diagnosis of heart attack and other inflammatory or ischemic heart problems.
Cardiac troponins are particular isoforms present exclusively in cardiac myocytes. Therefore, their increase in serum unequivocally testifies to an increased release by the myocardial tissue, which in turn suggests the presence of a cardiac damage or at least of an "important suffering of the heart.
