The result demonstrated that, contrast to the control, 82.5% cells were at G0/ G1 stage that were induced by serum deprivation, the induced effectiveness is significantly higher than control group ( 61.2%)( p < 0.05).

Cell cycles were blocked in G1 stage. Conclusion Overexpression of PTEN will induce G1 arrest in rar renal fibroblast cells, which associated with the nuclear location of PTEN.

结论PTEN过度表达将引起肾脏成纤维细胞周期G1期阻滞，这一过程与PTEN在细胞核定位有关。

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The G1 stage of the Hep G-2 cells exposed to ELF was delayed and the percentage of apoptotic cells was increased with the increasing of exposure time.

使Hep G-2细胞G1期阻滞，凋亡率随照射时间延长逐渐增高。

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In current opinion, TGF-β 1 suppresses proto-oncogene such as c-myc to inhibit cell growth cycle of G1 stage to S stage.

目前认为，在肿瘤早期TGF-β1抑制原癌基因c-myc等，阻止细胞生长周期从G1期进入S期；

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The cell cycle of MTS was dominated by G0 and G1 stage.

MTS的细胞周期以G0~G1期占优势。

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Androgen withdrawal might drive LNCaP cell into G1 stage.

激素撤退可引起LNCaP细胞G1期阻滞。

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In the distributions figure of cell cycle, G1 stage cells apparently reduced.

细胞周期分布图中，G1细胞明显减少。

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The content of DNA heteroploid and G2 stage cells were apparently higher in tissues of cervical cancer than that in other tissues ( P < 0.05).

宫颈癌组织中DNA异倍体含量和G2期细胞较其它组织明显增高，组织和脱落细胞结果无明显不同。

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To detect the cell cycle with flow cytometry, Trichostatin A can delay the cell cycle-G2-M stage, stop the cell stage in G2 stage.

流式细胞术检测MDA-MB-231细胞，TSA能够延缓细胞周期G2-M期进程，阻滞细胞于G2期。

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Cell cycle alteration of Raji cells occurred in 131I-rituximab group, and the majority of cells were arrested at G1/ G2 stage.

131I-rituximab组Raji细胞周期发生变化，细胞大部分被阻滞于G1／G2期。

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The cell cycle was blocked in G1 and G2 stage by SAL.

使细胞周期阻滞于G1、G2期；

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Methods: Acute toxicity tests of median lethal dose ( LD_ ( 50)) were performed to test whether panax polysaccharide could reduce the toxicity and adverse effect of compound fluorouracil lipid.

方法：通过急性毒性实验半数致死量（LD50）的检测，验证人参多糖是否降低氟脲嘧啶多相脂质体的毒性。

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Crawfishes ( Cambarus proclarkii) as animal were infected with white spot syndrome virus ( WSSV) for studying various infection characters, including temperature, transfer route, successive infection, median lethal dose ( LD 50), immunity against virus and virus conservation etc.

应用克氏原螯虾作为动物模型研究对虾白斑综合征病毒（WSSV）的感染增殖特性，涉及感染温度、感染途径、继发感染、半数致死量（LD50）、免疫保护及保存期等。

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METHOD: We detected median lethal dose ( LD 50) of mixture of scopolamine ( SCO) and chlorpromazine ( CPZ) in the different dose to mice and rats by Bliss and Brownlee sequential trial.

方法：用Blis法和Brownle序贯法分别测定不同比例东莨菪碱与氯丙嗪组合成不同比例东氯合剂后对小鼠、大鼠的半数致死量（LD50）。

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To observe the acute toxicity and death of the mice to which calcium nanoparticles were given in maximal dose and obtain the lethal dose 50 ( LD50) or the maximal tolerance dose ( MTD).

观察小鼠一日内给予大剂量钙纳米粒子的急性中毒及死亡情况，得出半数致死量（LD50）或最大耐受量（MTD）。

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Mice were used to determine the safety limitation of solanine in term of the lethal dose 50% ( LD50) ( Expt. IV).

最后，利用小鼠试验测定了其毒性和半数致死量，探讨了其在饲料中的安全阈量。

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METHODS The toxicity of cantharidin was expressed at lethal dose 50 and biochemical indexes, apparent pharmacokinetic parameters of cantharidin were determined by using acute mortality of mice.

方法用小鼠半数致死量（LD50）及生化指标的变化来表征斑蝥素的毒性，用小鼠急性死亡率法测定斑螫素药物动力学参数。

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A study on the lethal dose 50% of nitrile to mice

腈对小白鼠毒性大小（LD50）的研究

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[ Methods] The death rate, standardized death rate and LA50 were computed in every sample randomly elected from published literatures.

方法按标准随机收集样本，分别计算各样本病死率、烧伤面积标准化病死率和LA50。

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Preliminary Test on the Effect of Antibiotic on the Lethal Concentration 50% of Veliger Larva of Chlamys farreri

抗生素对栉孔扇贝面盘幼虫半致死浓度的初步试验

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Nanoparticles' LD50 exceeded injection's by 13.5% and their stimulus was much lower than injection.

纳米粒的LD50高于注射剂13.5%，同时血管刺激性较TBMS注射剂大大降低。

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