Re-awakening the Heart's Healing System (1 of 2) (image) American Association for the Advancement of Science Share Print E-Mail Caption Heart injury activates epicardial progenitor cells (stained in blue). This image relates to a paper that appeared in the Nov. 15, 2012, issue of Science Express, published by AAAS. The paper, by Guo N. Huang at the University of Texas Southwestern Medical Center in Dallas, TX, and colleagues was titled, "EBP Transcription Factors Mediate Epicardial Activation During Heart Development and Injury." Credit Image courtesy of Guo Huang Usage Restrictions Please cite the owner of the image when publishing. This image may be freely used by reporters as part of news coverage, with proper attribution. Non-reporters must contact Science for permission. 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.