扶正解毒汤对硫酸镍遗传毒性拮抗作用  

Effects of Fuzhengjiedu decoction on heritable toxicity induced by nickel sulfate

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作  者:蒲晓丽[1] 吕晓云[1] 朱玉真[1] 赵健雄[1] 高佩媛[1] 

机构地区:[1]兰州大学中西医结合研究所,兰州730000

出  处:《中国公共卫生》2008年第8期962-963,共2页Chinese Journal of Public Health

基  金:教育部博士点专项科研基金(20050730031)

摘  要:目的研究灌服复方中药扶正解毒汤(FJD)后兔血清对硫酸镍(NiSO4)遗传毒性的抑制作用。方法采用^3H—TdR掺入法,观察扶正解毒汤含药血清对NiSO4诱导的体外培养人支气管上皮细胞(16HBE)非程序DNA合成(UDS)的影响。结果NiSO4(100~200umol/L)暴露组细胞UDS水平明显高于阴性对照组(P〈0.05,P〈0.01);高、中、低剂量扶正解毒汤血清对16HBE细胞UDS均无诱导效应,但与NiSO4(200umol/L)共同处理后细胞的UDS水平[CPM分别为(221.45±34.93),(289.51±48.26),(672.47±56.68)];均低于NiSO4暴露组[CPM为(998.63±81.36),P〈0.05,P〈0.01],FJD血清对NiSO4诱导的UDS有显著的抑制作用,且呈剂量-效应关系(r=0.837,P〈0.05)。结论体外实验结果显示,扶正解毒汤本身无致突变性,具有拮抗硫酸镍遗传毒性的作用及抗镍致癌潜能。Objective To study the effects of Fuzhengjiedu decoction(FJD) on the genotoxicity induced by nickel sulfate (NiSO4). Methods By using 16HBE cell in vitro with 3H - TdR incorporation assay techniques, the effects of FJD on nickel induced unscheduled DNA synthesis(UDS) were observed. Results The UDS induced by NiSO4 ( 100 - 200 umol/L) in 16HBE cells increased significantly compared with negative control( P 〈 0.05, P〈 0.01 ). FJD could not induce UDS. In cells co - treated with various doses of FJD and NISO4(200 umol/L) the UDS levels were lower than that of induced by NiSO4 (CPM = 998.63 ± 81.36) ( P 〈 0,05, P 〈 0. 01 ). FJD could inhibit the UDS induced by NiSO4 in dose - dependent manner (r=0.837, P 〈0.05), Conclusion FJD were not mutagenic and could have inhibitory effects on the genotoxicity and carcinogenicity of nickel.

关 键 词:扶正解毒汤 含药血清 硫酸镍 非程序DNA合成(UDS) 

分 类 号:R135[医药卫生—劳动卫生]

 

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