Interestingly, either in peripheral blood or in spleen in irradiated mice, the ratio of Th1/Th2 were evidently raised because of the decrement of Th1 cells, exhibited obviously a phenomenon of predominant immune response of Th2 cells.

• 由于Th1亚群的显著降低,使得照射小鼠外周血和脾脏的Th2/Th1比例失衡,即发生明显的Th1/Th2模式向Th2免疫反应漂移的现象。