The suppression effect of 4-1BB-Fc on T lymphocyte proliferation in vitro was tested by MTT and CFSE-labeling method.

• 采用MTT及CFSE(羧基荧光素乙酰乙酸)标记法检测4-1BB-Fc融合蛋白对同种异基因小鼠T细胞增殖的抑制作用。