Gladstone Institutes (IMAGE) Gladstone Institutes Caption Lipofuscis deposits accumulate in the retina of patients carrying mutations in the progranulin protein linked to neurological diseases. Credit Gladstone Institutes, Giovanni Maki Usage Restrictions These images are copyrighted. Please credit the source indicated in each case. We allow use of our images only for non-commercial educational purposes, and for use by news organizations for the limited purpose of their news reporting; provided, that in no event may such images be sold, licensed or otherwise distributed apart from the related educational or news content. No image may be used to explicitly or implicitly suggest endorsement of commercial goods or services by the Gladstone Institutes. 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.