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In Ames test, micronucleus and chromosomal aberration assay BaCl2 showed negative results. Ames试验、微核试验和染色体畸变分析均为阴性结果。
Induced effects of the in vivo derivatives of sulfur dioxide on chromosomal aberration in CHL cells. 二氧化硫体内衍生物诱发CHL细胞染色体畸变效应
Hybridization in situ technique was employed to detect the chromosomal aberration in tumor tissues. 本实验用原位杂交技术检测几种肿瘤组织的染色体畸变。
Abstract Aneuploidy in human population is a serious genetic problem.The major cause of this numerical chromosomal aberration is non - disjunction. 摘要在人类群体中非整倍性是个严重的遗传问题。
Objective To investigate the clinical significance of chromosomal aberration of low dose professional radiation for workers in radiology departments. 摘要目的：探讨长期小剂量照射下放射工作人员染色体畸变的临床意义。
The results demonstratethat the rate of chromosomal aberration,blood lead. blood copperand blood zinc levels between the two groups are all significantly dif-ferent (P<0.01). 发现两组间的染色体畸变率、血铅、血铜、血锌均有高度显著性差异(P<0.;01)。
The molecular mechanism for chromosomal aberration and micronuclei induced by holmium ions was most probably DNA breakage to root-tip c ells of vicia faba. 钬离子诱导蚕豆根尖细胞染色体畸变和微核产生的分子机制主要为DNA断裂作用。
Conclusion Sauropus androgynus has certain genetic toxicity of chromosomal aberration induction and its molecular mechanism needs further investigation. 结论守宫木具有一定的诱发染色体畸变的遗传毒性。
Genotoxicity study is to study the genotoxicity and thepotential carcinogenesis effect of the test article. We can make such studies as Ames test, chromosomal aberration test, micronucleus test. 遗传毒性试验是研究受试物的遗传毒性及潜在的致癌作用。本中心可开展项目。包括Ames试验、染色体畸变试验、微核试验。
Chromosomal aberration and their frequency on 200 infertile man, sister chromatid exchange (SCE) frequency among 100 various occupational infertile males and lymphocyte micronucleus rate and their scatter on 60 infertile males were observed. 本研究观察了200例不育男性染色体异常及发生率,100例各职业不育男性姐妹染色单体交换率(SCE),60例男性不育者淋巴细胞微核率及其分布。
Results of study on the influence of C~(6+) ions with 46. 6 Mev/amu on types and frequencies of chromosomal aberration in radicle cells of 4kinds of plants were presented in the paper. 本文给出了46.;6MeV/amuC~(6+)离子对四种不同作物胚根细胞中染色体畸变的实验结果。
The contrasting analyses showed that in 3 cases of accidental radiation injury the whole/part exposure to radiodosage was 1.78 Gy/30 Gy, 0.12 Gy/5.42 Gy and 0.014 Gy/2.80 Gy and their chromosomal aberration rates were 7.33% ,2.5% and 1.5% respectively. 3例意外受照者全身及局部受照剂量分别为：1.;78Gy、30Gy，0
The resuilts indicated that EMS could induce chromosomal aberration of root tip cell and different damage effect of seedling ratio,seedling height,root length,root number and peroxidase activity. 本试验以EMS为诱变剂处理薏苡种子，结果表明，EMS能引起薏苡根尖细胞染色体畸变，同时对出苗率、苗高、根尖、根数和过氧化物酶活性都有不同程度的损伤效应。
And chromosome aberration of bone marrow cells of mice was observed. 观察小鼠骨髓细胞染色体畸变。
All of 17 cases detected by CGH showed chromosomal aberrations. CGH技术检测的17例肺癌标本中均检出染色体畸变(扩增和/或缺失),而且每个病例涉及多条染色体畸变。
environmental pollution and chromosomal aberration 环境污染与染色体畸变
The chromosome aberration rates were 15.3% for children with mental retardation and 3.7% for control group. 智力低下儿童染色体畸变率为15·3%25,对照组为3·7%25;
The results of Ames and micronucleus tests were negative, but the result of chromosome aberration test was positive. 风湿平Ames试验、小鼠骨髓细胞微核试验结果均为阴性; CHL细胞染色体畸变试验结果为阳性,经过S9代谢活化后致突变作用降低。
The mental retardation is correlative with the chromosome aberration and the fragile site expression rate. 提示精神发育迟滞与染色体的畸变率和脆性部位的表达率有一定的相关性。
Objective:To study the relationship between the chromosome aberration and the male infertility. 目的研究男性染色体异常与男性不育之间的关系。