DigitalJournal.com | Heart's own stem cells could help fight heart failure DigitalJournal.com The research study shows that stem cells found in the human heart are responsible for repairing and regenerating muscle tissue damaged by a heart attack which leads to heart failure. this was shown through studies using human stem cells and hearts from ... Scientists come closer to 'mending broken hearts' by using gene therapy to ... Heart attack damage repaired using gene therapy Scientists Can Turn Scar Tissue Into a Beating Human Heart |