Horani with PCD Patient (IMAGE) Washington University School of Medicine Caption Amjad Horani, MD, listens to the breathing of Azaylea Ramirez, 3, of Keota, Okla. Using cells from children diagnosed with primary ciliary dyskinesia, a genetic lung disease Azaylea has, Horani and colleague Steven Brody, MD, have figured out how mutations disrupt the clearing of the airways. Credit Karen Elshout Usage Restrictions None License Licensed content 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.