Heart stem cells discovered by three teamsThey have already been dubbed “master” heart cells, and hold the promise of treating patients with serious cardiovascular disease: Three US research groups claim that they can produce stem cells that give rise to different tissues found in the mammalian heart. Being able to rebuild both cardiac muscle and blood vessels may be important for repairing hearts ravaged by cardiovascular disease. “Where there’s damage, there’s damage to more than one cell type,” notes Orkin. |