1. First Clinical College, Chongqing Medical University, Chongqing 400016, P.R.China
2. College of Traditional Chinese Medicine, Chongqing Medical University, Chongqing 400016, P.R.China
3. Chongqing Institute of Pharmaceutical Plant, Chongqing 408435, P.R.China
4. Laboratory of Tissue and Cell Biology, Experimental Teaching Center, Chongqing Medical University, Chongqing 400016, P.R.China
5. Molecular Medicine and Cancer Research Center, Department of Cell Biology and Genetics, Chongqing Medical University, Chongqing 400016, P.R.China