Biography: Xin-Yu Yu is Assistant professor and Professor, Department of Histology and Embryology, College of Medicine, Dalian University, P.R. China (1996 – Up to now). He did his Ph.D. of Biotechnology, Dalian University of Technology, PR China. He works as a Head of Laboratory of Neuroscience, College of Medicine, Dalian University, Dalian, P.R. China.