Researchers identify important new signaling molecule involved in vascular health

In the 25 years since the Nobel Prize was awarded for discovering the role that nitric oxide (NO) plays in the cardiovascular system, researchers have been racing to learn more about how this mysterious signaling molecule works to repair blood vessels damaged by a heart attack, stroke or other cardiovascular event. University of Maryland School of Medicine (UMSOM) researchers and their Wake Forest University (WFU) colleagues today announced an important missing piece of the puzzle.