因为端粒保护染色体末端,阻止细胞分裂。
Because telomeres protect the ends of chromosomes to stop cells dividing.
用脱氧核糖核酸末端转移酶介导的缺口末端标记技术(TUNEL)检测细胞凋亡。
Terminal deoxynucleotidyl transferase-mediated nick end labeling (TUNEL) technique were applied to deterimine the apoptotic cells.
我在我的实验室里已经发现,人的心理压力确实会加快细胞的老化,这从染色体末端即端粒的损耗程度上可以看出来。
A. In my lab, we’re finding that psychological stress actually ages cells, which can be seen when you measure the wearing down of the tips of the chromosomes, those telomeres.
另外,在传出信息的神经末端会释放少量的神经传递素,从而增加突触后神经细胞中的神经胶质素。
In addition, the nerve endings from where information is sent must release slight amounts of neurotransmitters to stimulate the neuroligin in the postsynaptic nerve cell.
当这些微型染色体注入到酵母细胞中后,在细胞分裂时,这种CCCCAA的DNA序列在复制时对染色体起到了保护作用,就像鞋带末端的塑料帽对鞋带起到的防磨损作用。
When these were injected into yeast, the DNA sequence protected the chromosomes when they were copied, just as the plastic tips at the ends of shoelaces stop them from fraying.
端粒是真核细胞线性染色体末端的一种特殊结构,与细胞的衰老及恶性肿瘤的发生密切相关。
Telomeres are linear chromosomal end special regions of eukaryotic cell and related intimately on the cells aging and the developing of malignant neoplasm.
分别采用免疫组化方法和原位末端标记法检测垂体前叶细胞增殖核抗原的表达及凋亡的变化情况。
The changes of the proliferating nuclear antigen expression and apoptosis of anterior pituitary cells were detected with immunohistochemistry and in situ end labeling method.
端粒是染色体末端具有TTAGGG重复序列的特殊结构,它对维护染色体完整并在细胞老化和肿瘤中起着重要作用。
Telomeres , which consist of repeated TTAGGG sequences at the end of the chromosome, are essential for genome integrity and play an important role in cell aging and cancer .
方法:本课题前期阶段已将含谷氨酰胺酶基因C末端反义序列的质粒转染入胃癌细胞并命名为SGC-7901~(GA)。
Methods: The gastric carcinoma cells had been successfully transfected with plasmid containing the C' distal end antisense sequence of glutaminase gene and called SGC-7901GA in previous researches.
HE染色、原位末端标记及琼脂糖凝胶电泳等实验证明,细胞的死亡方式为调亡。
The tests such as HE dye, still end labeling and gelose gel electrophoresis etc. have proved that the manner of cell death is apoptosis.
方法:以大鼠多囊卵巢为动物模型,采用电子显微镜及3-末端原位标记法观察了大鼠多囊卵巢颗粒细胞凋亡的情况。
Methods: PCO model of rat was established. Ovaries were fixed and processed for ultrastructural observation. DNA fragments in apoptotic cells were detected by in situ DNA 3 end labeling method.
观察各组家兔血清心肌酶学变化,并通过电镜形态学及原位末端标记法检测心肌细胞凋亡情况。
Then we observe the change of myocardium enzymatic dynamics and detect myocyte apoptosis with electronic microscope and situ end labeling way.
细胞结合末端保持无活性状态直到被光重新激活。
The T-cell binding end remains inactive until re-activated by light.
细胞染色体末端具有特殊序列,该序列具有维持染色体稳定的功能,被命名为“端粒”。
The specific structure at the end of the chromosome named "telomere" is essential for chromosome stability.
端粒酶可延长染色体末端dna,端粒酶的活化使细胞获得无限增殖能力。
Telomerase can extend the telomere of DNA and the activated telomerase can let cells gain the ability of unlimited reproduction.
以原位末端标记法(TUNEL)检测脑细胞凋亡情况及动态变化。
The phenomenon of apoptosis was observed by in situ end labeling (TUNEL).
端粒酶的主要功能是复制端粒末端dna,维持端粒长度。端粒酶活性调节与肿瘤发生和细胞衰老有着密切关系。
The main function of telomerase is for the replication of telomere DNA, which is closely related with tumor and cell senescence.
细胞的衰老与死亡和细胞核的染色体末端——端粒有密切的关系。
Telomere, which defines the ends of chromosome, has close relationship with cell senescence and apoptosis.
方法采用原位切口末端标记方法检测细胞凋亡,平均每100个细胞内的阳性细胞数为凋亡指数(AI)。
Method Apoptosis was determined by the method of in situ Nick end labeling. Apoptotic index (AI) means the Numbers of apoptotic cells per 100 cells.
用脱氧核糖核酸末端转移酶介导的缺口末端标记技术(TUNEL)原位检测细胞凋亡。
Terminal deoxynucleotidyl transferase-mediated nick end labeling (TUNEL) technique were applied to deterimine the apoptotic cells in all the tissues mentioned above.
生命早期接受母乳喂养的婴儿在4、5岁时端粒(给细胞中染色体末端‘带帽’,用以保护DNA的片段)可能更长。
Infants who are exclusively breastfed early in life are more likely by age 4 or 5 to have longer telomeres, the protective bits of DNA that cap the ends of chromosomes in cells.
通过免疫组织化学方法和原位末端标记法(TUNEL)检测热休克蛋白70表达及凋亡细胞数,TTC染色观察梗死体积。
The expression of heat shock protein 70 was examined by immunohistochemistry, the apoptosis of neurons by TUNEL and the volume of cerebral ischemia by TTC staining.
方法:用噻唑蓝(MTT)法、光镜及电镜、DNA凝胶电泳和原位DNA末端转移酶标记法,分别对耐药细胞株BIU-87/ADM及敏感细胞株BIU-87细胞进行了阿霉素诱导的细胞凋亡研究。
Methods: MTT assay, optical microscopy, electron microscopy, DNA agarose gel electrophoresis and in situ DNA nick end labeling were used to detect the apoptosis in BIU87/ADM and BIU87 cells.
染色体末端的端粒对于细胞基因组的遗传稳定性至关重要。
The ends of chromosomes, the telomers, are important for the genetic stability of our cells.
在一些实例中,组织采集末端切除活组织样品,使样品呈现所需的活细胞比例。
In some embodiments, the tissue harvesting tip can be effective to excise viable tissue samples, such that the samples can exhibit desirable proportions of viable cells.
方法:用原位末端标记法检测细胞凋亡。
Methods: Use of in situ end_labeling method to detect apoptosis.
检测大鼠心肌细胞凋亡指数应用原位末端标记法。
Myocardial apoptosis index was detected with in situ end labeling.
方法采用核固红结晶紫染色方法,原位末端标记法及形态计量方法定量分析了被动吸烟致金黄地鼠神经管上皮细胞凋亡的变化。
Methods By using the nuclear fast red-crystal violet staining method and situ TUNEL technology, the quantitative changes of apoptosis in neural epithelium in gold hamster were analyzed.
唾液酸作为复合糖的组成部分镶嵌于所有细胞表面以及大多数脊椎动物糖蛋白和糖脂分子的末端最外侧。
Sialic acids decorate all cell surfaces and locate on the terminating branching of glycoproteins and glycolipids in most vertebrate, as a part of glycoconjugates.
原位末端标记表明:六神丸乙醇提取剂诱导HL-60细胞凋亡在一定范围内呈时间-浓度依赖关系;
In situ end-labeling method (POD) indicates:HL-60 cells apoptosis induced by Liu-Shen-Wan alcohol extraction have time-concentration dependency relation within certain ranges;
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