Gladstone Investigator Lennart Mucke (IMAGE) Gladstone Institutes Caption A team led by Lennart Mucke uncovered the new gatekeeper function of an anti-aging molecule. Credit Photo: Gladstone Institutes 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.