核糖核苷酸

活化石植物&苏铁树叶绿体DNA分子中的核糖核苷酸

Covalently linked ribonucleotides in chloroplast DNA molecules of the leaves of a living fossil plant , Cycas revoluta Thunb

核糖核苷酸还原酶M1的表达及其在肺癌中的意义

Ribonucleotide reductase M1 expression and its significance in lung cancer

原位末端脱氧核糖核苷酸转移酶介导dUTP标记技术观察凋亡细胞。

The cell apoptosis was observed via in situ terminal deoxyribonucleotide transferase-medicated dUTP labeling technique .

核糖核苷酸还原酶（RR）是人类体内唯一的催化4种核糖核苷酸还原、生成相应的脱氧核糖核苷酸的酶。

Ribonucleotide Reductase ( RR ) is the unique enzyme responsible for the conversion of ribonucleotides to2 ' - deoxyribonucleotides in human .

核酸化学研究Ⅶ.t-RNAy~（Ala）的D环四个低聚核糖核苷酸片段的合成

Studies on Nucleic Acid Chemistry ⅴⅱ . Synthesis of Four Oligoribonucleotides of Dihydroutidine ( D ) Loop of Yeast Alanine Transfer RNA

但是研究人员不清楚的是聚合酶是怎样避免把构成DNA链的NTP添加到RNA链上的，毕竟脱氧核核苷酸和核糖核苷酸只是相差一个氧原子。

And the scientists didn 't know either how the polymerase avoids substituting the NTPs that constitute DNA for the correct RNA building blocks , molecules that differ by only one oxygen atom .

方法：采用免疫组化和末端脱氧核糖核苷酸转移酶介导的dUTP缺口末端标记（TUNEL）法检测Bax和Bcl-2基因蛋白及凋亡细胞。

Methods : Bax and Bcl-2 genes protein expression and cardiomyocyte apoptosis were tested by immunohistochemical method and in situ TdT-mediated dUTP nick end labeling ( TUNEL ) .

应用脱氧核糖核苷酸末端转移酶介导的dUTP缺口末端标记技术（TUNEL）对TGF-β1诱导的肝癌细胞的凋亡进行定量检测；

TGF - β 1-induced apoptosis in hepatic carcinoma cell lines was measured by the terminal deoxynucleotidyl transferase-mediated dUTP nick end labeling ( TUNEL ) assay .

终未脱氧核糖核苷酸转移酶介导的原位缺口末端标记（TUNEL）法结合图像分析技术检测左室心肌细胞凋亡；

Combined with automatic imaging analysis technique , cardiac myocytes ' apoptosis in left ventricle was detected by using in situ terminal deoxynucleotidyl transferase mediated dUTP nick end labeling ( TUNEL ) staining .

方法用原位末端脱氧核糖核苷酸转移酶介导的dUTP缺口末端标记（TUNEL），DNA梯子和体外培养等方法对38例MDS患者骨髓单个核细胞（BMMC）凋亡进行研究。

Methods Apoptosis of bone marrow mononuclear cells ( BMMC ) from 38 MDS patients was studied by TdT mediated dUTP nick end labeling ( TUNEL ) in situ , DNA ladder and shortterm BMMC culture in vitro .

端粒酶RNA组分的反义寡脱氧核糖核苷酸类在体外明显抑制BEL&7404人肝癌细胞的端粒酶活性并使细胞周期阻滞在Q2/M期。

Antisense oligomers to human telomerase RNA component ( hTR ) inhibited telomerase activity of BEL-7404 human hepatoma cells markedly in vitro . After in vitro treatment with antisense oligomers for 96 h , cell cycle of BEL-7404 human hepatoma cells was mainly arrested at G2 / / M phase .

目的：设计并合成含非甲基化胞嘧啶和鸟嘌呤二核苷酸的寡聚脱氧核糖核苷酸（CpG-ODN），以期筛选出对新生儿脐血单个核细胞免疫刺激作用较强的CpG-ODN；

Objective : Design and synthesize the oligodeoxynucleotides containing unm-ethylated CpG dinucleotides ( CpG-ODN ) to screen out the optimal CpG-ODN that could markedly enhance the immune function of cord blood mononuclear cells in health newborns .

本研究选用了三种含有不同p53基因状态的人肝癌细胞系，应用脱氧核糖核苷酸末端转移酶介导的dUTP缺口末端标记技术（TUNEL）对TGF-β1诱导的肝癌细胞的凋亡进行了定量检测。

Three human hepatic carcinoma cell lines , involving different status of the p53 gene respectively , was used in this study . TGF - β 1-induced apoptosis in hepatic carcinoma cell lines was quantitated using the terminal deoxynucleotidyl transferase-mediated dUTP nick end labeling ( TUNEL ) assay .

PstI切割底物是按两步单股切割机制进行，作用的最小底物是含有识别序列的8～12聚脱氧核糖核苷酸，且对底物中识别序列两边的碱基对数目有一定要求；

PstI cleaves its substrate through the single strand cleavage with two steps , and the minimum PstI substrate is an eight to twelve oligodeoxynucleotide containing ist recognition sequence , and there is a requirement to the base pair numbers on both sides of Pst ⅰ recognition sequence ;

p53-p21/p27通路调节人核糖核苷酸还原酶和吉西他滨抗癌耐药机制的研究

Study on Regulation of Human Ribonucleotide Reductase by p53-p21 / p27 Pathway and the Mechanism of Gemcitabine Resistance

蓖麻蚕（Philosamiacynthiaricini）后丝腺体甘氨酸转移核糖核酸的全核苷酸顺序

The complete sequence of glycine tRNA from the posterior silkgland of silkworm Philosamia cynthia ricini

施用核糖核酸和5'-核苷酸试验，其对生长于林间的松茸子实体的活化作用。

Ribonucleic acid and5 ' - nucleotide were tested for fructification of Tricholoma matsutake in the field .

核酸化学研究Ⅳ.常见核糖核苷及其3′-核糖核苷酸柱层析

Studies on nucleic acid chemistry ⅳ . the column chromatography of common ribonucleosides and ribonucleotides