Shenzhen Mental Health Center 1 article published in JoVE Biology Magnetic-Activated Cell Sorting Strategies to Isolate and Purify Synovial Fluid-Derived Mesenchymal Stem Cells from a Rabbit Model Zhaofeng Jia1,2,3, Yujie Liang4,5, Xingfu Li2,3, Xiao Xu1,2,3, Jianyi Xiong2,3, Daping Wang1,2,3, Li Duan2,3 1Postgraduate institution, Guangzhou Medical University, 2Guangdong Provincial Research Center for Artificial Intelligence and Digital Orthopedic Technology, 3 This article presents a simple and economic protocol for the straightforward isolation and purification of mesenchymal stem cells from New Zealand white rabbit synovial fluid.