摘要
Although the human adult heart was considered a terminally differentiated organ and incapable of renewal after injury or with aging for almost a century, recent studies have shown that the heart is capable of new cardiomyocyte formation and possesses varying degrees of regenerative potential throughout mammalian life. However, whether the cardiac stem cells （CSC） or the pre-existing cardiomyocytes con- tribute to the new cardiomyocyte formation remains con- troversial.
Although the human adult heart was considered a terminally differentiated organ and incapable of renewal after injury or with aging for almost a century,recent studies have shown that the heart is capable of new cardiomyocyte
