Heart Failure Up Close (image) Cincinnati Children's Hospital Medical Center Share Print E-Mail Caption This microscopic image shows donated fibrotic heart cells from a patient who had heart failure. The cells have an elaborate fibronectin matrix (shown in red) which causes fibrosis and heart damage. In a study published by Circulation, researchers demonstrate a novel therapeutic peptide stops the process and heart fibrosis in mice with heart injury and human heart failure cells. Credit Cincinnati Children's Usage Restrictions Credit Cincinnati Children's Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.