Hee Cheol Cho and his team have succeeded in developing a new method for deriving pools of cardiomyocytes that are enriched in ventricular, atrial or pacemaker cells. The technology takes advantage of the signaling mediated by retinoic acid, a metabolite of vitamin A, which figures prominently during development of the embryonic heart. With this method, the team could choose to grow cardiomyocytes enriched with atrial, left ventricular or pacemaker properties.
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