Regardless of the cause of a disease, most diseases involve gene dysregulation. Omega Therapeutics is developing a new class of programmable, epigenomic, mRNA medicines designed to make specific epigenetic changes and correct abnormal gene expression to treat or cure diseases. We spoke to Mahesh Karande, president and CEO of Omega Therapeutics, about its pipeline of mRNA therapies, how they work, and its recently announced collaboration with Novo Nordisk to develop an epigenomic controller to treat obesity.