TGN1412, however, can trigger T cells without the aid of an antigen by simply latching onto a region on CD28 near the cell membrane that other molecules do not target.

• 然而，TGN1412却不需要抗原的协助，就能够紧抓住CD28分子上一个靠近细胞膜、没有其他分子会作用的区域，而启动T细胞的反应。