Alpha-synuclein Reduces Autophagosomes (image) Rockefeller University Press Caption An abundance of alpha-synuclein (right) reduces the number of autophagosomes (bright puncta, left), the double-membraned vesicles that remove trash from the cell. Blocking autophagosome formation in this way may contribute to neurodegeneration in Parkinson's patients. Credit Winslow, A.R., et al. 2010. J. Cell Biol. doi:10.1083/jcb.201003122. Usage Restrictions Reporters may freely use these materials in news coverage, with the appropriate credit information. 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.