Regulation of Gene Activity (IMAGE) University of Copenhagen Caption Stress-factors signal to the enzyme MSK and cause activation of silenced genes. Credit Lise Rudkjær/Katrine Sonne-Hansen Usage Restrictions credit to Lise Rudkjær/Katrine Sonne-Hansen 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.