1. Cell Transplantation and Gene Therapy Institute, The Third Xiangya Hospital, Central South University, Changsha, Hunan 410083, China
2. Engineering and Technology Research Center for Xenotransplantation of Hunan Province, Changsha, Hunan 410000, China
3. MOE Key Laboratory for Analytical Science of Food Safety and Biology College of Chemistry, Fuzhou University, Fuzhou 350108, China