BLACKSBURG, Va., Sept. 17 -- Virginia Polytechnic Institute and State University issued the following news release:

Microscopy images are helping Virginia Tech researchers understand how genes associated with Prader-Willi syndrome (PWS) - a rare genetic disorder affecting growth, appetite, muscle tone, and behavior - are expressed throughout the brain.

University Libraries has collaborated with Department of Human Nutrition, Foods, and Exercise researchers Deborah Good and Shadi Ariyanfar to make findings about PWS more understandable through a new interactive visualization tool.

Visualizing gene expression

Good and Ariyanfar are studying why people with PWS experience excessive hunger and obesity later in life.

The researchers are exa...