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Concerning troponins can be repeated as often as every 2-3 hours. When assessing the acuity of injury, think about troponin trends in terms of changes in log units (i.e. 0.05 to 0.07 vs 0.05 to 5). How long after a myocardial infarction can the initial troponin level be detected? SerialRead More →

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Abstract. Tropomyosin is an elongated α-helical coiled-coil that binds to seven consecutive actin subunits along the long-pitch helix of actin filaments. Does troponin block myosin binding sites? Regulatory Proteins Tropomyosin blocks myosin binding sites on actin molecules, preventing cross-bridge formation and preventing contraction in a muscle without nervous input. TroponinRead More →