MicroRNAs in Development and Cancer: A Tale of Mice and Men 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 Video36:00Cancer biologist Andrea Ventura explains how his lab uses genetically engineered mouse models to understand how cancer works, why we get cancer, and how his research helps discover new targets for cancer therapy.