Brain Protein Central to Both Parkinsonís, Drug Addiction Identified

Scientists have identified a protein that appears not only to be central to the process that causes Parkinsonís disease but could also play a role in muting the high from methamphetamine and other addictive drugs.

The action of the protein, known as organic cation transporter 3 or oct3, fills a longstanding gap in scientistsí understanding of the brain damage that causes symptoms like tremor, stiffness, slowness of movement and postural instability. While these are found mainly in patients with Parkinsonís disease, there are more than three dozen other known causes of this array of symptoms, known as ďparkinsonism.Ē More...

Posted on: Monday, May 4, 2009, 12:00 am