Huntingtin Protein Aggregates (IMAGE) Cold Spring Harbor Laboratory Caption This shows huntingtin protein aggregates under an atomic force microscope. Scale bar, 500 nm. Credit Image courtesy of Nadine Strempel and Erich Wanker, Max Delbrück Center for Molecular Medicine. Usage Restrictions Image may only be used with appropriate caption and 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.