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#biofish
A "Fish" Made From Human Cardiac Cells Swims Like a Beating Heart
In a small but significant step towards creating an artificial heart, scientists at Harvard and Emory universities have developed a synthetic fish that can keep swimming like a beating heart for more than 100 days — with its tail flipping rhythmically from side to side."Our ultimate goal is to build an artificial heart to replace a malformed heart in a child," Harvard University bioengineer Kevin Kit Parker says.This “biohybrid” fish comprises the heart’s two main attributes — voluntary movement (automaticity) and messaging triggered by mechanical motion (mechanoelectrical signaling). The two sides of its fins are composed of two layers of living heart muscle cells or cardiomyocytes each.
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