1. Age-Related and Brain Diseases Research Center (J.Y.L., T.H.O., T.Y.Y.), Seoul 130-701, Korea
2. Neurodegeneration Control Research Center (J.Y.L., T.Y.Y.), Seoul 130-701, Korea
3. Department of Biomedical Science and Research Institute of Bioscience and Biotechnology (S.Y.C.), Hallym University, Chunchon 200-702, Korea
4. Department of Biochemistry and Molecular Biology (T.Y.Y.),School of Medicine, Kyung Hee University, Seoul 130-701, Korea