Credit: THE UNIVERSITY OF TEXAS HEALTH SCIENCE CENTER AT HOUSTON/SCIENCE PHOTO LIBRARY

Caption: Real-time fluorescence microscopy of a cultured adult heart cell, showing its calcium ion flux. The cell has dedifferentiated and regressed to a foetal form, which is thought to happen in cardiac ischemia. The cell has a white, high-calcium area in the middle. The cell is beating quickly, as revealed by the calcium pulses, as it has been treated with the drug isoproterenol. This is a catecholamine drug used to treat slow heart rate. The fluorescent probe fluo-3 reveals the calcium ions that control the heartbeat.

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Keywords: baby, beating, biological, biology, calcium, cardiac, cardiomyocyte, catecholamine, cell, cells, cellular, colour, dedifferentiated, fluo-3, fluorescence, fluorescent, flux, foetal, heart, heartbeat, ion, ions, isoprenaline, isoproterenol, light, mammal, medical, medicine, microscopy, muscle, myocyte, probe, real-time, regression, research, researching

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Beating heart cell

K004/2034 Rights Managed

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Duration: 00:01:20.12

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