cytosine

Methods: Induction regiment of acute myeloid leukemia ( AML ) consisted of mitoxantrone and cytosine arabinoside ( Ara C ).

方法: 急性髓细胞白血病 ( AML ) 诱导治疗采用MTZ和阿糖胞苷 ( Ara-C ).

DNA contains genetic instructions written in a simple but powerful code made up of four chemicals called bases: adenine ( A), guanine ( G), cytosine ( C) and thymine ( T).

DNA含有用一种简单却无比强大的编码写成的遗传指令，这些指令由腺嘌呤（A）、鸟嘌呤（G）、胞嘧啶（C）和胸腺嘧啶（T）四种被称作碱基的化学物质组成。

The Effects of Endogenous Photodynamic Therapy on Human Colon Carcinoma Cell Transfected with Plasmids Containing Cytosine Deaminase Gene and G_1 Phase Cell Cycle Checkpoints

内源性光动力学结合CD基因转染增强杀伤结肠癌细胞作用以及对细胞G1期关卡因子的影响以及不确定性来源的内生性等问题。内源性光动力疗法抑制人结肠癌裸鼠种植瘤的实验研究

The DNA base composition is 32.6-33.1 mol % guanine plus cytosine.

DNA(脱氧核糖核酸)的G+C 摩尔百分含量为32.6—33.1.

DNA consists of a chain made from four types of nucleotide subunits: adenine, cytosine, guanine, and thymine.

的DNA链组成一个由4种核苷酸亚基：腺嘌呤，胞嘧啶，鸟嘌呤和胸腺嘧啶。

Identification and Characterization of the Infectious Spleen and Kidney Necrosis Virus Cytosine DNA Methyltransferase Gene

鳜鱼传染性脾肾坏死病毒的胞嘧啶5-甲基转移酶基因结构及其序列分析

Studies on the Molecular Biology of Nucleic Acids ⅴ. The Antileukemie Functional Group Models of Cytosine Derivatives

核酸分子生物学研究Ⅴ.胞嘧啶衍生物的抗白血病官能团模型

Anti tumor effect of cytosine deaminase gene on gastric cancer cells

胞嘧啶脱氨酶基因对胃癌细胞的杀伤作用

Density functional theory study on tautomers of cytosine, uracil and thymine

嘧啶及其异构体的密度泛函理论研究

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

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。

There are just four kinds: adenine, thymine, guanine and cytosine.

只有4种：腺嘌呤、胸腺嘧啶、鸟嘌呤和胞核嘧啶。

Objective: Adenovirus-mediated CD/ 5-FC ( Cytosine deaminase/ 5-fluorocytosine) system have been proved can suppress the ovarian cancer cells growth by our previous study.

目的：我们的前期研究显示腺病毒介导的CD／5-FC（胞嘧啶脱氨酶／5氟胞嘧啶）系统对卵巢癌有抑制作用。

Inhibition of Hep-2 cell line by adenovirus-mediated cytosine deaminase gene combined with 5-FC in vitro

胞嘧啶转氨酶基因联合5-氟胞嘧啶对喉癌细胞的抑制作用

The basic concept is that the DNA bases, adenine, cytosine, guanine and thymine, could be distinguished in terms of their conductivity properties.

那个基本概念是，DNA碱基，腺嘌呤，胞嘧啶，鸟嘌呤和胸腺嘧啶的，可区分的条件它们的导电性能。

The genetic information of all living cells is stored in the DNA composed of the four canonical bases adenine (a), cytosine (c), guanine (g) and thymine (t).

所有活细胞的基因信息都储存在由四种碱基，即腺嘌呤(A)、鸟嘌呤(G)、胞嘧啶(C)、胸腺嘧啶(T)构成的DNA里。

This paper reports the separation and determination of cytosine, thymine, uracil, 1-hydroxyethyl-5-fluoro uracil, 1-propionyloxy uracil and 5-fluoro uracil by capillary zone electrophoresis.

本文报道毛细管区带电泳分离和测定胞嘧啶、胸腺嘧啶、尿嘧啶、羟乙基氟尿嘧啶、尿嘧啶丙酸和5-氟尿嘧啶。

DNA methylation is the only known covalent modification of DNA molecule. It is accomplished by transfer of the methyl group from S-adenosyl methionine to 5 position of the purine ring of cytosine.

DNA甲基化（DNA Methylation）是目前已知的唯一天然的DNA共价修饰方式，由DNA转移酶催化，将S-腺苷甲硫氨酸上的甲基转移到胞嘧啶嘌呤环的第五位碳原子上。

Researchers at Purdue University used synthetic forms of guanine and cytosine.

美国普渡大学的研究人员使用的是合成的鸟嘌呤与胞嘧啶。

The DNA base composition is 32.6-33.1 mol% guanine plus cytosine.

DNA（脱氧核糖核酸）的G+C摩尔百分含量为32.6&33.1。

Distant hybridization of plants can cause a wide range of apparent genetic variability, such as: gene silencing, nucleolar dominance, transposon activation, DNA methylation variations and so on, and DNA methylation, in particular cytosine methylation is one of the main epigenetic control mechanisms.

植物远缘杂交可以引起广泛的表观遗传变异，如：基因沉默、核仁显性、转座子激活、DNA甲基化变异等，而DNA甲基化尤其是胞嘧啶甲基化是表观遗传的主要调控机制之一。

Methylation of cytosine bases in DNA provides a layer of epigenetic control in many eukaryotes that has important implications for normal biology and disease.

DNA中胞嘧啶碱基的甲基化在很多真核细胞中提供了一层表观控制，它对于正常生物学和疾病有着重要的意义。

DNA random access memory takes circular single-stranded DNA as storing matter and uses four nitrogenous bases ( Adenine, Guanine, Cytosine and Thymine) to code data.

DNA随机存储器以环状单链DNA分子为存储介质，以4种碱基（腺嘌呤adenine、鸟嘌呤guanine、胞嘧啶cytosine和胸腺嘧啶thymine）对信息进行编码；

The Killing Effect of Tissue-specific Cytosine Deaminase ( CD)/ 5-fluorocytosine ( 5-FC) System on Human Colorectal Carcinoma Cells

组织特异性CD/5-FC系统对大肠癌细胞杀伤作用

To test whether DNA methylation plays a role in somaclonal variation, the calli were treated with 5-azacytidine that reduces cytosine methylation by blocking activity of DNA methyltransferase.

为了检测DNA甲基化在体细胞克隆多样性中的作用，愈伤组织用5-氮胞苷进行处理，5-氮胞苷通过抑制DNA甲基转移酶的活性降低胞嘧啶的甲基化水平。

The damage degrees of the base pairs in turn were cytosine, thymine, guanine and adenine.

其碱基损伤严重程度依次为胞嘧啶、胸腺嘧啶、鸟嘌呤和腺嘌呤。

Experimental study on human pancreatic carcinoma treated by cytosine deaminase gene therapy

胞嘧啶脱氨酶基因治疗人胰腺癌的实验研究

BACKGROUND& AIM: To observe the expression of yeast cytosine deaminase ( YCD) gene labeled by RFP in HeLa cells and how it mediates cytotoxicity.

背景与目的：探讨红色荧光蛋白标记的酿酒酵母菌胞嘧啶脱氨酶（YCD）基因在人宫颈癌细胞（HeLa细胞）中的表达及其功能。

The most abundant bases are cytosine, thiamine , and uracil ( pyrimidines ) and adenine and guanine ( purines ) .

最丰富的碱基是胞嘧啶, 胸腺嘧啶, 尿 嘧 啶,腺嘌呤和鸟嘌 呤.

TAD ( thioguanine, cytosine arabinoside& daunorubicin) regi-men was used in treatment of 12 cases aged from 17-47 of untreated ANLL.

采用TAD方案治疗急性非淋巴细胞性白血病（ANLL）12例，年龄17～47岁。

The other two, thymine and cytosine, are single ring structures called pyrimidines.

另两个为胸腺嘧啶和胞嘧啶，即称为嘧啶的单环结构。