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 ).

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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

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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。

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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。

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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.

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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

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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。

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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。

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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。

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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

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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。

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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。

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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

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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。

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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。

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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。

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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。

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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

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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。

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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。

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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。

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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

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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；

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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。

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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

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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

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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。

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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。

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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.

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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。

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