Prostaglandin F2-alpha Receptor (IMAGE) University of Pennsylvania School of Medicine Caption Here, a prostaglandin F2-alpha receptor expression is depicted in blue in a renal artery. Credit Ying Yu, PhD, and Garret FitzGerald, MD, University of Pennsylvania School of Medicine 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.