Ryan Golden and Dr. Joshua Mendell (image) UT Southwestern Medical Center Share Print E-Mail Caption Ryan Golden (left) and Dr. Joshua Mendell (right) uncovered a new mechanism that allows microRNAs to engage target messenger RNAs, silence them, and then efficiently move on to the next target. The microRNA pathway is critically important to health and disease, serving as a kind of volume control for genes. Credit UT Southwestern Medical Center Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.