1. State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, 132 Lanhei Road, Kunming 650201, P. R. China, Division of Nephrology, Nanfang Hospital, Southern Medical University, Key Laboratory for Organ Failure Research, Education Ministry, Guangzhou 510515, P. R. China, University of Chinese Academy of Sciences, Yuquan Road 19, Beijing 100049, P. R. China, and Department of Medicine and Therapeutics, Li Ka Shing Institute of Health...