X射线全身照射对小鼠骨髓细胞周期的影响

被引:4
作者
鞠桂芝
马淑梅
傅士波
刘树铮
机构
[1] 吉林大学白求恩医学部卫生部放射生物学重点实验室
[2] 吉林大学白求恩医学部卫生部放射生物学重点实验室 长春
[3] 长春
关键词
辐射; 电离; 细胞周期; 骨髓;
D O I
暂无
中图分类号
R818 [放射病、放射损伤];
学科分类号
1001 ; 100105 ; 100207 ; 100602 ;
摘要
目的 研究不同剂量X射线全身照射对小鼠骨髓细胞周期的影响。方法 采用PI标记及流式细胞术(FCM)检测细胞周期的变化。结果 发现,1.0~6.0Gy X射线全身照射后12h,小鼠骨髓细胞G1及G2期明显增高,而S期明显减少;同时发现,0.05~0.2 Gy低剂量X射线全身照射后72h,G1期骨髓细胞明显减少,而S期细胞明显增高。结论 0.5Gy以上剂量X射线全身照射可诱导小鼠骨髓细胞G1及G2期阻滞,使骨髓细胞增殖明显受抑;而0.2Gy以下低剂量照射则可刺激骨髓细胞增殖。
引用
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页码:17 / 18
页数:2
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