by the National Key Basic Research Foundation of China(Grant No.2006CB910301);the National Programs for High Technology Research and Development Program(863 Program)(No.2004AA404260);the National Natural Science Foundation of China(Grant Nos.30970599 and 30770421);the Fundamental Research Funds for the Central Universities of China(Grant No.1104006).
Parkinson’s disease is the second most common neurodegenerative disease in the world.Beta-arrestin-2 has been reported to be an important protein involved in D2 dopamine receptor desensitization,which is essential to...