Background Costimulatory signals play a vital role in T cell activation. Blockade of costimulatory pathway by CTLA4Ig or......

【目的】探讨白细胞分化抗原40配体免疫球蛋白(CD40LIg)基因修饰骨髓间充质干细胞(MSC)对异种胰岛移植排斥反应的抑制作用。【方法......