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Intense Light Therapy Before Surgery Could Help Protect the Heart

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Researchers at the University of Colorado Anschutz Medical Campus have found that intense light amplifies a specific gene — Period 2 (PER2) — that makes the metabolism of mice and humans more oxygen-efficient. This amplification could offer protection against injury to the heart muscle if the light therapy were given before high-risk cardiac and noncardiac surgery. The scientists sought to develop a cardio-protective strategy using light to target and manipulate the function of the PER2 gene, which is expressed in a circadian pattern in the part of the brain that controls...Read full article

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