Scientists at Stanford University have created heart cells that contract when exposed to light
Working their way towards energy-efficient pacemakers that use light pulses to control the beating of the heart, scientists at New York's Stony Brook University recently developed optogenetic heart tissue – it contracts when exposed to light. More specifically, they took donor cells that had been modified to respond to light, and coupled them to conventional heart cells. A team from California’s Stanford University, however, has now created actual optogenetic heart cells.
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