Light-Up Tumors Show Aging in Real-Time, University of North Carolina Study  
1/23/2013 7:26:05 AM

Mice with glowing tissue allow scientists to visualize aging and tumor growth using a gene closely linked to both processes. Researchers have long known that the gene, p16INK4a (p16), plays a role in aging and cancer suppression by activating an important tumor defense mechanism called “cellular senescence.”