DNA Methylation Heatmap (IMAGE) Columbia University Irving Medical Center Caption A DNA methylation gene marker panel was designed to identify three distinctive IDHmutant groups. Shown here is a heatmap, where samples with a high amount of methylation appear in red, and those with few or none appear in blue. Credit Credit: Lab of Antonio Iavarone/Columbia University Medical Center Usage Restrictions None 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.