Robert Mahley, Gladstone Institutes (IMAGE) Gladstone Institutes Caption Dr. Mahley argues for a renewed focus on the role of apoE4 in the progression of Alzheimer's disease. Credit Gladstone Institutes/Chris Goodfellow Usage Restrictions Please contact Gladstone Press Relations for reprint permissions. 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.