Washington: Scientists have identified a specific gene that regulates the heart`s ability to regenerate after injuries. Researchers at University of Texas Southwestern Medical Center identified the previously unknown function of the gene, called Meis1, in the heart. "We found that the activity of the Meis1 gene increases significantly in heart cells soon after birth, right around the time heart muscle cells stop dividing," said Dr Hesham Sadek, assistant professor of internal medicine in the division of cardiology, and senior author of the study. "Based on this observation we asked a simple question: If the Meis1 gene is deleted from the heart, will heart cells continue to divide through adulthood? The answer is `yes`," Sadek said.
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