尿嘧啶

含有尿嘧啶DNA糖苷酶基因表达载体的构建

Construction of an Expression Vector Containing Uracil DNA Glycosylase ( UNG ) Gene

尿嘧啶DNA糖苷酶活性的电泳凝胶成像分析测定

Assay of Uracil DNA Glycosylase Activity with Gel Electrophoresis and 1D Image Analysis System

基于分子信标的尿嘧啶DNA糖苷酶活性测定

Assaying Uracil-DNA Glycosylase Using Molecular Beacon

尿嘧啶的相干反斯托克斯Raman散射光谱研究

Study on Coherent Anti - Stokes Raman Spectra of Uracil

尿嘧啶DNA糖苷酶防止PCR产物污染及其对核酸杂交的影响

Prevention of contamination in PCR products by using uracil-DNA-glycosylase before amplification and its influence on nucleic acid hybridization

2&硫代尿嘧啶溴络合铜的粉末晶体X射线衍射数据的指标化研究

A Study on the Indexing of X-Ray Diffraction Values of Powder Specimen for Copper Complex of 2-Thiouracil Bromide

另外，本文成功地指标化未知晶系2&硫代尿嘧啶溴络合铜的粉末晶体的全部X射线衍射数据。

On the other hand , the X-ray powder diffraction data of unknown crystal system of copper complex of 2-thiouracil bromide have been indexed successfully .

尿嘧啶&核糖核酸中的一种嘧啶，与腺嘌呤形成碱基对。DNA和RNA中的嘌呤碱，与胞核嘧啶成对。

Uracil & a pyrimidine found in RNA that base-pares with adenine . a purine base found in DNA and RNA ; pairs with cytosine .

用免疫细胞化学法定位溴脱氧尿嘧啶核苷（BrdU）掺入到肾小管上皮细胞DNA内；

Using immunocytochemistry to investigate bromodeoxyuridine ( BrdU ) incorporation of DNA in renal tubular epithelial cells of rats ;

方法将基因组DNA变性成为单链，用亚硫酸氢盐修饰单链DNA，所有未甲基化的胞嘧啶被转变为尿嘧啶，而甲基化的胞嘧啶则不变。

Methods Target DNA was denatured by NaoH , then single strands DNA was modified by sodium bisulfite . All unmethylated , but not methylated cytosines were converted to uracil .

动物处死前1h注射尿嘧啶脱氧核苷（BrdU），标本行免疫组化染色，显微镜下计数BrdU标记的成纤维细胞样细胞。

Immunohistochemical method was applied to count the BrdU - labeled fibroblast-like cells .

CdSe量子点荧光猝灭法测定尿嘧啶

Uracil Determination Based on Fluorescence Quenching of CdSe Quantum Dots

本文报导了一个用5-~（131）碘尿嘧啶代替[~3H]-胸腺嘧啶进行细菌DNA复制研究的新方法。

In the present paper a new method is described in which 5 - [ ~ ( 131 ) I ] - uracil is used in studies of bacterial DNA replication .

使用5-溴脱氧尿嘧啶核苷（BrdU）标记分裂增生的细胞，观察细胞的分裂增殖情况。

The cells were labeled with BrdU for observation of cell division and proliferation .

DNA和RNA中的嘌呤碱，与DNA中胸腺嘧啶和尿嘧啶成对。肾上腺素、去甲肾上腺素对小鼠胸腺的影响

Purine base found in DNA and RNA ; pairs with thymine in DNA and with uracil in RNA . Study on the Effects of Epinephrine and Norepinephrine in Mice Thymocytes Apoptosis

在~3H-尿嘧啶核苷和~3H-次黄嘌呤参入实验中，三尖杉酯碱对四种~3H-核苷三磷酸及RNA的合成无明显影响。

It was also noted that harringtonine showed no significant effect on the incorporation of ~ 3H-UR and ~ 3H-HX into the nucleotide triphosphates and on RNA synthesis .

或许，与动基体目原生动物有亲缘关系的原生动物体内的引导尿嘧啶插入及缺失的指导RNA的古老作用就是为模块的连接提供一个模板支架。

Perhaps the ancestral role of guide RNAs that direct U insertion and deletion in the related kinetoplastid protozoa was to provide a template scaffold to link modules .

在900～1500cm－1波段范围内，检测了尿嘧啶核苷水溶液的CARS谱。

CARS spectra of Uridine in aqueous solution are examined in the region of 900 ~ 1500 cm-1 . The nonresonant background has been remarkably suppressed by using a phase mismatching method .

方法：采用RT-PCR法检测了28例胃癌、14例肺癌和22例结肠癌组织及其远癌正常组织中尿嘧啶核苷磷酸化酶（UP）基因的表达。

Methods : The mRNA level of UP gene was examined using RT-PCR in 28 cases of stomach carcinoma , 14 lung cancer and 22 colon carcinoma .

DPD是尿嘧啶和胸腺嘧啶分解过程中的第一限速酶，可降低用于DNA合成的尿嘧啶和胸腺嘧啶的水平而影响DNA的合成。

DPD is the first rate-limiting enzyme in the catabolism of uracil and thymine , and affects DNA synthesis by decreasing the level of uracil and thymine , the necessary material for DNA synthesis .

谷胱甘肽-S-转移酶P1启动子调控的胞嘧啶脱氨酶和尿嘧啶磷酸核糖转移酶融合基因对卵巢癌顺铂耐药细胞的体外杀伤作用

Killing effect of adenovirus mediated fusion gene cytosine and deaminase uracil phosphoribosyl transferase directed by glutathione S-transferase P1 promoter on cisplatin-resistant ovarian cancer cells in vitro

以血小板源性生长因子A和大鼠胰腺丝氨酸弹性蛋白酶的地高辛标记RNA探针进行原位杂交，并用抗5溴脱氧尿嘧啶抗体进行双重染色。

In situ hybridization was performed by the RNA probe of PDGF-A and rat pancreatic elastase which was labeled with digoxin , and the double immunostaining for 5-bromo-2 ' - deoxyuridine ( BrdU ) was performed .

5-~（125）I-2′脱氧尿嘧啶核苷杀伤大鼠C6细胞的实验研究

Study on lethal effect of [ 5 - ~ ( 125 ) I ] Iodo-2 ′ - deoxyuridine on rat C _6 glioma cells

多次po尿嘧啶300mg/kg对老年小鼠（18月龄）脑MAO活性抑制作用明显强于对青年小鼠，并能增加老年小鼠脑组织5-HT和DA含量。

The repeated administration of uracil ( 300mg / kg ) could induce significantly inhibition of MAO-B activity and increase the contents of 5-HT and dopamine in brain tissue of aged mice .

方法从胎兔分离的成纤维细胞用5溴脱氧尿嘧啶核苷（BrdU）标记后种植于人羊膜细胞外基质上。

Methods The third passage 5-bromo-2 ' deoxyuridine ( BrdU ) labeled fibroblasts which were isolated from fetal rabbits were seeded on HA · ECM .

梅花鹿不同生理时期尿嘧啶含量差异显著（P＜0.05），说明梅花鹿不同生理时期对尿嘧啶的含量明显不同。

The content of Uracil in three compositions had a mighty marked discrepancy ( P < 0.05 ) in the blood of Sika deer in different physiological period , which indicated the difference of physiological period of Sika deer had a remarkable impact on the content of Uracil .

它将信息存储为化学基本成分序列（核苷），我们将其称作A、C、T和G（表示DNA中的腺嘌呤、胞嘧啶、胸腺嘧啶和鸟嘌呤，以及RNA中的尿嘧啶代替胸腺嘧啶）。

It stores information as a sequence of chemical building blocks ( nucleotides ) we call A , C , T , and G ( for adenine , cytosine , thymine , and guanine in DNA , and uracil replacing thymine in RNA ) .

它的结构与肿瘤细胞代谢所必需的尿嘧啶相类似，在同一系统酶中互相竞争，阻断代谢环节，阻碍DNA的合成，从而抑制肿瘤细胞的增殖。

It has the similar structure with uracil which is necessary to the cancer cell . It contents with uracil in the same enzyme system , blocks the metabolic link , impedes the synthesis of DNA , and then prohibits the propagation of the cancer cells .

Fcy：：Fur基因由Fcy和Fur两个基因融合而成，其中，Fcy编码酵母菌胞嘧啶脱氨酶，Fur编码尿嘧啶磷酸核糖转移酶。

Fcy : : Fur gene was fused by two genes , Fcy and Fur . Gene Fcy encodes yeast cytosine deaminase and gene Fur encodes uracil phosphoribosyltransferase .

mdrl启动子调控胞嘧啶脱氨酶-尿嘧啶磷酸核糖转移酶融合基因对卵巢癌裸鼠耐药移植瘤的抑制作用

Anticancer effects of cytosine deaminase and uracil phosphoribosyl transferase fusion gene driven by mdrl promoter on drug-resistant ovarian cancer