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Heart telltale

Engineered cardiac cells flash when they beat

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8:26pm, December 17, 2012

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SAN FRANCISCO — A protein borrowed from Dead Sea microbes and re-engineered by researchers makes heart cells light up with every contraction. The flashing cells may offer a way to predict whether new drugs will cause heart problems in people, Harvard researchers reported December 17 at the American Society for Cell Biology annual meeting.

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