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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單體交換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. 標準的做法是把整個(gè)結構稱(chēng)為一個(gè)染色體，而把它的各條稱(chēng)為姐妹染色單體。
- Study on the impact of trinitrotoluene on sister chromatid exchange of Mocaca mullatta peripheral blood lymphocyte. 三硝基甲苯對恒河猴外周血淋巴細胞姐妹染色單體互換的影響。
- Methods:The sister chromatid exchange (SCE) test in mice spermatogonia was used in the study. 方法:采用小鼠精原細胞姐妹染色單體交換實(shí)驗。
- The standard practice is to call the entire structure a chromosome and each of its strands a sister chromatid . 標準的做法是把整個(gè)結構稱(chēng)為一個(gè)染色體，而把它的各條稱(chēng)為姐妹染色單體。
- To investigate the incidence of sister chromatid exchange ( SCE ) and its influencing factors. 探討影響姐妹染色單體互換(SCE)頻率的因素。
- 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:了解在腫瘤細胞中、一些藥物、致畸物引起的突變細胞中姐妹染色單體交換(SCE)率的變化。
- And also did the rate of chromosome aberrance(CA),sister chromatid exchange(SCE) and micronuclie cell (MC) of peripheral blood(P>0.05). 接觸組外周血淋巴細胞染色體畸變率(CA)、姐妹染色單體互換率(SCE)、微核率(MC)與對照組比較;差異均無(wú)統計學(xué)意義(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 :測定蠶豆、大麥根尖細胞和人外周血淋巴細胞姐妹染色單體交換 (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. 應用小鼠骨髓細胞姐妹染色單體交換（SCE）及微核試驗對雞腿蘑進(jìn)行遺傳毒理檢測。
- 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:采用小鼠精子畸形試驗、精原細胞姐妹染色單體互換試驗和小鼠精子非程序DNA合成試驗。
- Purpose and Methods: Single cell gel electrophoresis(SCGE), sister chromatid exchanges(SCE), chromosome aberrations are three methods to determine DNA damage and repair. 目的與方法 :單細胞凝膠電泳技術(shù) (SCGE)、姐妹染色單體交換法 (SCE)和染色體畸變分析法均能被用來(lái)檢測DNA的損傷或修復。
- 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. 該細胞株表現為姐妹染色單體交換增高(16.;88個(gè)/細胞);染色體畸變?yōu)?
- It is involved in processes such as homologous chromosome pairing, sister chromatid adhesion and separation, and some of the regulation initiated during anaphase. 在細胞有絲分裂和減數分裂中, 著(zhù)絲粒作為保證染色體正常分裂并分離到子細胞的結構和功能元件, 參與了同源染色體配對、姐妹染色單體黏合、分離及分裂后期啟動(dòng)的調控等。
- 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活性碳脫色，苯酚-硫酸法測定多糖含量，進(jìn)行小鼠姐妹染色單體交換及染色體畸變實(shí)驗。
- 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:采用外周血淋巴細胞姐妹染色單體差別染色法檢測技術(shù),觀(guān)察了33例海洛因成癮者的姐妹染色單體交換(SCE)頻率,同時(shí)檢測30名健康者進(jìn)行對照。
- 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. 采用孕婦外周血淋巴細胞姐妹染色單體交換(SCE)技術(shù);檢測巨細胞病毒(CMV)抗體陽(yáng)性孕婦淋巴細胞DNA損傷和修復.
- 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. 本研究觀(guān)察了200例不育男性染色體異常及發(fā)生率,100例各職業(yè)不育男性姐妹染色單體交換率(SCE),60例男性不育者淋巴細胞微核率及其分布。
- 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). 用姐妹染色單體交換(SCE)測試技術(shù),在離體培養條件下研究了不同濃度氟化鈉(NaF)對人、兔外周血淋巴細胞的影響。
