Three Brain Diseases Linked by Toxic Form of Same Neural Protein, According to Penn Study

Three Brain Diseases Linked by Toxic Form of Same Neural Protein, According to Penn Study  
http://www.uphs.upenn.edu/news/News_Releases/2010/02/toxic-protein-brain-diseases/  
 
"For the first time, researchers from the University of Pennsylvania School of Medicine have found that three different degenerative brain disorders are linked by a toxic form of the same protein. The protein, called Elk-1, was found in clumps of misshaped proteins that are the hallmarks of Parkinson's disease, Alzheimer's disease, and Huntington's disease."