异体胎盘间充质干细胞治疗2型糖尿病。3次胎盘间充质干细胞静脉注射，使10名患者胰岛素用量大大降低，平均减半。文献：Transplantation of placenta-derived mesenchymal stem cells in type 2 diabetes:a pilot study，Front Med，. 2011 Mar;5(1):94-100. doi: 10.1007/s11684-011-0116-z. Epub 2011 Mar 17.