1. Institute of Urology, Department of Urology, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
2. Centre for Transplant and Renal Research, Westmead Millennium Institute, University of Sydney, Westmead, New South Wales 2145, Australia
3. Cellular Biology Laboratory, Core Facility of West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
4. Department of Physiology, School of Basic Medical Science, Central South University, Changsha, Hunan 410083, P.R. China