Abeta Toxic Aggregates (image) American Institute of Physics Caption This image shows a simple scheme illustrating the formation of toxic aggregates through self-association of the Abeta molecule. Each chain represents a single Abeta molecule. Red sites are those that are pivotal for self-association. Credit G.Melacini/McMaster University Usage Restrictions This image may be used only with appropriate caption and credit. 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.