DNA Methylation (image) University of California - San Diego Caption In this artist's rendering, a DNA molecule is methylated on both strands at the center cytosine. DNA methylation plays an important role in epigenetic gene regulation, and is involved in both normal development and in cancer. Credit UC San Diego School of Medicine Usage Restrictions None 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.