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Scientists Find Heart Stem Cells - Breakthrough
Scientists have identified a cardiac stem cell that gives rise to all of the major cell types in the human heart. The find opens the way to using patients' own cells to heal their damaged hearts.
The cells in question express a protein, called Islet 1, which is present in the early stages of fetal heart formation. In recent years, scientists have identified the cells in embryonic mouse hearts. And now, a team in the laboratory of Kenneth Chien, director of the Cardiovascular Research Center at Massachusetts General Hospital in Boston, has found the same cell type in human fetal hearts.
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