METHODS: ASPC-1 cells were assigned to normal oxygen group, hypoxia group, PD hypoxia group, LY hypoxia group, PD+LY hypoxia group and their radiation groups respectively.

• 方法:AS-PC-1细胞分成常氧组、乏氧组、PD乏氧组、LY乏氧组和PD+LY乏氧组及各自照射组;