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小鼠外周血正染红细胞微核的初步研究
Authors
许发茂
Publication date
1 January 1986
Publisher
Editorial Office of Journal of Sun Yat-sen University
Abstract
外周血正染红细胞微核检查是发现体内染色体损伤一快速方法。本文以不同剂量的环磷酰胺(5、10、15、20、25、30mg/kg)用腹腔注射染毒断奶雄性小鼠。连续5天染毒(从星期一到星期五)。对照组注别蒸馏水。实验结果是:骨髓多染红细胞微核率分别为6.88±0.89,12.33±0.37、20.00±0.49、24.89±0.52、24.75±0.55(‰),对照组为3.00±0.64;外周血正染红细胞微核率是5.25±0.26、5.06±0.24、6.31±0.28、6.06±0.26、8.44±0.32、7.06±0.28,对照组为1.79±0.16(‰)。与对照组比较均有十分显著的升高。有明显的剂量反应关系。外周血正染红细胞微核率只5天染毒以后就达最大稳定状态,以后两周没有变化。骨髓和外周血微核率相关分析,相关系数分别是γ1=0.99,γ2=0.86,相关系数有显著意义(P<0.01),外周血正染红细胞微核率是用于发现暴露人群染色体损伤一有效指标
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Last time updated on 15/10/2024