SCA4 brain tissue (IMAGE) University of Utah Health Caption Brain tissue from a SCA4 patient. Blue marks cell DNA and red marks a protein that increases when protein recycling is disrupted. The bright red ring is a protein clump that only shows up in patients with SCA4. Credit Mandi Gandelman, Ph.D. Usage Restrictions Use only with credit and only for articles about this paper. License Original 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.