The Cancer Epigenome: Biology’s New Frontier Forward arrow iconAn arrowing pointing forward, usually indicating forward movement, or the ability the share something via social media. Close iconAn icon showing an uppercase letter "X", indicating that this will close the current element. Share Facebook iconAn icon representing the Facebook social media site. Twitter iconAn icon representing the Twitter social media site. LinkedIn iconAn icon representing the social media service LinkedIn. Printer iconAn icon showing a printer, indicating the ability to print the associated media. Print Video30:00Leukemia expert Omar Abdel-Wahab says new therapies that reverse epigenetics — chemical changes within cells that drive gene expression — are being combined with conventional chemotherapy drugs to silence cancer-causing genes and treat some cancers.