微波辐照对大鼠脾脏和人AHH-1 T细胞活性氧水平和凋亡的影响

目的探讨不同强度微波辐照对Wistar大鼠脾脏淋巴细胞和人AHH-1 T细胞内活性氧(ROS)水平和对人AHH-1 T细胞凋亡的影响。方法以不同功率密度(0、5、10、30、60mW/cm2,其中0mW/cm2作为对照)的微波单次(15min)辐照Wistar大鼠和人AHH-1 T细胞,于微波辐照后1、7、14、28d采用流式细胞术检测大鼠脾脏淋巴细胞ROS水平变化,于辐照后6、24h采用流式细胞术检测人AHH-1 T细胞ROS水平和凋亡率的变化。结果大鼠脾脏淋巴细胞内ROS水平在微波辐照后1d的5、10、30、60mW/cm2剂量组,辐照后7d的10、30、60mW/cm2剂量组,辐照后14d的10mW/cm2剂量组,以及辐照后28d的10、30mW/cm2剂量组与对照组比较明显升高(P<0.05),且ROS水平在一定剂量范围内呈剂量依赖性增加。微波辐照后6h,各辐照组人AHH-1 T细胞内ROS水平与对照比较均升高(P<0.05),且在0～30mW/cm2剂量范围内呈剂量依赖性增加。人AHH-1 T细胞经微波辐照后6h,仅10mW/cm2剂量辐照细胞的凋亡率较对照组明显升高(P<0.05);微波辐照后24...

Effects of microwave radiation on the levels of reactive oxygen species in rat spleen and human AHH-1 T lymphocytes and apoptosis of the latter

Objective To investigate the effects of microwave radiation on the levels of reactive oxygen species (ROS) in Wistar rat splenic lymphocytes and human AHH-1 T lymphocytes, including apoptosis of the latter. Methods Microwave irradiation, in different power intensities (PI, 0, 5, 10, 30 and 60mW/cm2, 0mW/cm2 was as control), was used to irradiate Wastar rat and human AHH-1 T cells for 15min. Flow cytometry was employed to detect the levels of intracellular ROS in rat splenic lymphocytes on 1, 7, 14 and 28d a...