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目的 :研究放射引起人乳腺癌细胞株 (MCF- 7)和完整细胞的染色体 DNA双链断裂 (DSB)时 ,亚生理辐射温度 (2℃～ 2 8℃ )的效应和自由基清除剂二甲亚砜 (DMSO)的影响 ,以及细胞在 2℃或 37℃照射后 DSB的重接。方法 :1MCF- 7细胞用含 10 %胎牛血清的 EME培养液于 37℃、5 % CO2
OBJECTIVE: To study the effect of sub-physiological radiation temperature (2 ℃ ~ 28 ℃) and the scavenger of free radical scavenger dimethyl (DSB) on human breast cancer cell line (MCF-7) and intact cells Sulfoxide (DMSO), and the reattachment of DSB after irradiation of cells at 2 ° C or 37 ° C. Methods: 1MCF-7 cells were cultured in EME medium containing 10% fetal calf serum at 37 ℃, 5% CO2