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- The sister chromatid exchanged (SCE) frequency among infertile men increased in different degrees (P<0.05). 男性不育者的姐妹染色单体交换率有不同程度的增高(P<0.;05)。
- The standard practice is to call the entire structure a chromosome and each of its strands a sister chromatid. 标准的做法是把整个结构称为一个染色体，而把它的各条称为姐妹染色单体。
- Study on the impact of trinitrotoluene on sister chromatid exchange of Mocaca mullatta peripheral blood lymphocyte. 三硝基甲苯对恒河猴外周血淋巴细胞姐妹染色单体互换的影响。
- Methods:The sister chromatid exchange (SCE) test in mice spermatogonia was used in the study. 方法:采用小鼠精原细胞姐妹染色单体交换实验。
- The standard practice is to call the entire structure a chromosome and each of its strands a sister chromatid . 标准的做法是把整个结构称为一个染色体，而把它的各条称为姐妹染色单体。
- To investigate the incidence of sister chromatid exchange ( SCE ) and its influencing factors. 探讨影响姐妹染色单体互换(SCE)频率的因素。
- Objective: To study the changes of sister chromatid exchange(SCE) rate in the mutator cell of tumor cell and mutagenized by drug or teratogen. 目的:了解在肿瘤细胞中、一些药物、致畸物引起的突变细胞中姐妹染色单体交换(SCE)率的变化。
- And also did the rate of chromosome aberrance(CA),sister chromatid exchange(SCE) and micronuclie cell (MC) of peripheral blood(P>0.05). 接触组外周血淋巴细胞染色体畸变率(CA)、姐妹染色单体互换率(SCE)、微核率(MC)与对照组比较;差异均无统计学意义(P>0.;05)。
- Methods: Sister chromatid exchange(SCE) freqency was determined in human lymphocytes and plant root tip cells after treatments with pesticides. 方法 :测定蚕豆、大麦根尖细胞和人外周血淋巴细胞姐妹染色单体交换 (SCE)率。
- By means of sister chromatid exchange method (SCE),micronucleus test of bone marrow cells, genetic toxicity of Coprinus comatus was evaluated in mice. 应用小鼠骨髓细胞姐妹染色单体交换（SCE）及微核试验对鸡腿蘑进行遗传毒理检测。
- Methods:Sperm abnormality test, sister chromatid exchange(SCE) test in mouse spermatogonia and unscheduled DNA synthesis(UDS) test in mouse sperms were used. 方法:采用小鼠精子畸形试验、精原细胞姐妹染色单体互换试验和小鼠精子非程序DNA合成试验。
- Purpose and Methods: Single cell gel electrophoresis(SCGE), sister chromatid exchanges(SCE), chromosome aberrations are three methods to determine DNA damage and repair. 目的与方法 :单细胞凝胶电泳技术 (SCGE)、姐妹染色单体交换法 (SCE)和染色体畸变分析法均能被用来检测DNA的损伤或修复。
- BCHI-1 hnd elevated sister chromatid exchange (16.88 time/per cell),the chromosome abnormal rate was 4. 5%, micro nuclei rate was 25%o at normal condition. 该细胞株表现为姐妹染色单体交换增高(16.;88个/细胞);染色体畸变为4
- It is involved in processes such as homologous chromosome pairing, sister chromatid adhesion and separation, and some of the regulation initiated during anaphase. 在细胞有丝分裂和减数分裂中, 着丝粒作为保证染色体正常分裂并分离到子细胞的结构和功能元件, 参与了同源染色体配对、姐妹染色单体黏合、分离及分裂后期启动的调控等。
- Methods: Phenol-sulfuric acid method was used for the determination of the content of polysaccharide, the mouse bone marrow chromosome test and the sister chromatid exchange text. 方法：水提醇沉法提取五味子多糖，0.;1%25活性碳脱色，苯酚-硫酸法测定多糖含量，进行小鼠姐妹染色单体交换及染色体畸变实验。
- Methods: The sister chromatid exchanges(SCE) frequency were counted in the sample of 33 patients with SCE different stain method, in the same time, we detected 30 normal controls. 方法:采用外周血淋巴细胞姐妹染色单体差别染色法检测技术,观察了33例海洛因成瘾者的姐妹染色单体交换(SCE)频率,同时检测30名健康者进行对照。
- We applied the sister chromatid exchange (SCE) technique to pregnant women with antibodies against cytomegalovirus (CMV) positive, to detect the lesion and repair of DNA in the lymphocytes. 采用孕妇外周血淋巴细胞姐妹染色单体交换(SCE)技术;检测巨细胞病毒(CMV)抗体阳性孕妇淋巴细胞DNA损伤和修复.
- 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。
- The study was undertaken with the purpose of determining the mutagenicity of sodium fluoride on peripheral lymphocytes culture in vivo (rabbits) and in vitro (men, rabbits), by the method of sister chromatid exchange (SCE). 用姐妹染色单体交换(SCE)测试技术,在离体培养条件下研究了不同浓度氟化钠(NaF)对人、兔外周血淋巴细胞的影响。
