Amyloid Accumulation (IMAGE) Picower Institute at MIT Caption A 3D rendering of a lab-grown blood brain barrier carrying the APOE4 gene variant shows a heavy accumulation of amyloid on the vessel (green). Credit Blanchard et. al./MIT Picower Institute Usage Restrictions with credit 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.