faculty (IMAGE) UT Southwestern Medical Center Caption Howard Hughes Medical Center Investigator David Mangelsdorf, Ph.D., Chair of Pharmacology, (left) and co-author Steven A. Kliewer, Ph.D., Professor of Molecular Biology and Pharmacology. The Mangelsdorf/Kliewer lab discovered the existence of a nuclear receptor pathway in parasitic nematodes and has shown that pharmacophores that target this pathway may represent a new class of anthelmintic agents. Credit UT Southwestern Medical Center Usage Restrictions none License Original 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.