Mouse Cerebellum (image) Rockefeller University Share Print E-Mail Caption ASTN2 is naturally expressed by purkinje cells in the mouse cerebellum, pictured here. To better understand how the protein works, researchers increased levels of ASTN2 (green) in these cells. Credit Laboratory of Developmental Neurobiology at The Rockefeller University Usage Restrictions Image may be used only to illustrate the research described in the accompanying release. Share Print E-Mail 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.