染色单体

氟化钠对姐妹染色单体交换（SCE）的影响

The effect of sodium fluoride on sister chromatid exchanges

探讨影响姐妹染色单体互换（SCE）频率的因素。

To investigate the incidence of sister chromatid exchange ( SCE ) and its influencing factors .

每个染色体由两个染色单体所组成，它们被一个着丝点联结在一起。

Each chromosome consists of two chromatids held together by the centromere .

丝裂霉素C诱发绒毛膜癌患者及正常人淋巴细胞姐妹染色单体互换的研究

Spontaneous and Mitomycin C Induced Sister Chromatid Exchang in Choriocarcinoma Patients and Normal Individuals

黄曲霉毒素B1诱发姐妹染色单体互换的研究

Study on Distribution of Aflatoxin B1 Induced Sister Chromatid Exchange Frequency in Human Chromosomes

姐妹染色单体互换对肝癌的检测和对黄曲霉毒素B1毒效的测试

Sister Chromatid Exchange for Identifying Patients with Liver Cancer and Detecting Aflatoxin B1 Effect

莲子对黄曲霉毒素（B1）诱发的人体淋巴细胞姐妹染色单体互换和细胞周期状态的影响

The Effect of Lotus Seed on Aflatoxin B_1 induced SCE and CGC in Cultured Human Peripheral Lymphocyte

AL和MDS外周血姐妹染色单体互换及细胞分裂周期动力学观察

Observation on sister chromatid exchange and cell cycle in Al and MDS

铅镉铝砷苯及X射线致淋巴细胞染色单体互换畸变的特性研究

Study of INDCED by chromatid interchange in human lymphocytes lead , arsenic , cadmium , benzene and X-ray exposure

取15例子宫颈鳞状细胞癌（Ⅱb～Ⅲb期）患者放疗前与放疗中外周静脉血，进行姐妹染色单体交换试验与胞质分裂阻滞法微核试验。

Methods : Collected 15 cervical carcinoma patients ' peripheral blood before and during radiotherapy , the SCE assay and cytokinesis-blocked MN assay were applied .

重点讨论了染色体畸变、微核、姐妹染色单体交换、尿液致突变性及DNA加成物等监测指标。

The monitoring parameters such as chromosome aberration , micronucleus , SCE , mutagenicity of urine samples and DNA adduct are discussed in detail .

低浓度AFP阳性对象淋巴细胞姐妹染色单体互换的研究

Study on sister chromatid exchange of lymphocytes of low AFP level cases

在减数分裂后期II，每条染色体的两个染色单体随着着丝点的分裂而彼此分开，由纺锤丝牵向两极。

During anaphase II the centromeres divide and single chromatids are drawn toward the poles , thus sister chromatids are separated .

电离辐射及化学致癌剂（BP）诱发鼠胚培养细胞姊妹染色单体互换及染色体畸变的研究

Sister chromatid exchanges ( sce ) and chromosomal aberrations of cultured cells of mouse embryo induced by ionizing radiation and chemical carcinogen

补肾益精方药对人外周淋巴细胞DNA损伤修复能力的影响Ⅱ.对姐妹染色单体交换率和细胞周期状态的影响

The effect of prescription of tonifying kidney and benefiting essence on DNA repairing capaci-ty of human peripheral lymphocytes ⅱ . the effect on SCE and CGC

推测副缢痕附近异染色质的DNA重复序列可能是在进化过程中通过染色单体不均等交换而逐渐形成。

It is presumed that the repeated DNA sequences of the heterochromatin near the secondary constriction might be formed gradually in the process of evolution through unequal SCEs .

PO接触组工人的姐妹染色单体交换频率、DNA加合物、血红蛋白加合物水平高于对照组，差异有非常显著性；

The frequency of SCE , DNA adducts and hemoglobin adducts in exposed workers were significantly higher than those of the control .

EA（121）破乳剂诱发小白鼠骨髓细胞姐妹染色单体互换

Experiment of demulsifier ae_ ( 121 ) inducing sister chromatid exchange of bone marrow cells in mouse

三种农药的姐妹染色单体互换（SCE）试验

Sister-Chromatid Exehange ( SCE ) Test of Three Pesticides

姊妹染色单体互换（SCE）的自动识别（研究阶段报告）阶段原型法及其支持环境

Automatic Recognition for Sister Chromatid Exchange Stagewise Prototype Approach and Its Supporting Environment

医用硅橡胶诱发CHL细胞姐妹染色单体互换的实验研究

Study of Sister Chromatid Exchange by Medical Silicone Producing CHL Cell in Culture

用MMC诱发中间节段交换而产生的不等长染色单体则随剂量增加而增加。

The frequency of MMC-induced crossing-over on the interstitial segments increased roughly with increase in dose .

未发现C7F（14）对人体外周血淋巴细胞有致染色体畸变的效应，亦未观察到姊妹染色单体互换（SCE）频率的增高。

, and negative in chromosome aberration and sister chromatid exchange tests with human peripheral lymphocytes .

本文利用RNase－Gold标记法对K＿（562）细胞中期染色体内RNA的分布特点进行了电镜观察，发现RNA较均匀地分布于染色单体切面内部及边缘。

In the paper , we have studied the RNA distribution in the metaphase chromosomes of K_ ( 562 ) cell using RNase-gold method .

HBsAg阳性乙型肝炎患者及其子女外周血淋巴细胞姐妹染色单体互换的研究

A Study of Sister Chromatid Exchange ( SCE ) in Peripheral Lymphocytes of Hepatitis B Patients with HBsAg Positive and Their Children

本文报告了95例油漆工外周血淋巴细胞姐妹染色单体互换（SCE）的观察结果。

The peripheral blood lymphocyte sister chromatid exchanges ( SCE ) in 95 painters were reported .

实验结果发现大剂量~（147）Pm可诱发再生肝和骨髓细胞的染色体畸变，畸变类型以染色单体断裂为主，都在90%以上。

It was shown that large doses of 147Pm induced chromosome aberrations in regenerated liver and bone marrow cells , and chromatid breakage appeared predominant .

姐妹染色单体分离相关基因在肿瘤细胞A549、SPC-A-1中的表达

Sister Chromosome Separation Correlative Genes ' Expressions in the A549 , SPC-A-1 Tumor Cell Lines

接受Norplant皮下埋植避孕剂的妇女姊妹染色单体互换（SCE）的研究

Study on the frequency of sister chromatid exchange in women accepted Norplant implant contraception

赭曲毒素A通过诱导DNA链的断裂、姐妹染色单体的互换、DNA加合物的形成或者活性氧发挥作用，但是作为一种毒素其作用机制仍然没有被解决。

Ochratoxin A may act by induction of DNA strand breaks , sister chromatid exchanges , DNA adduct formation , or reactive oxygen but the mechanism of action as a toxin is not yet resolved .