'Heart Attack in a Dish' (VIDEO) University of California - San Diego This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption This video shows how heart cells with mutations in the 9p21 locus respond to the stress induced by a heart attack. Before a heart attack (healthy condition), the cells beat in unison. When the heart tissue stiffens (fibrotic condition), the cells beat out of rhythm. Credit Engler lab Usage Restrictions Please credit: Engler lab License Licensed content 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.