radiosensitivity

Purpose: The DNA double-strand breaks ( DSB) and its repair ability of human tumor cell lines after irradiation were detected for studying the correlation to cell radiosensitivity.

目的：检测人类肿瘤细胞系统经X线照射产生的DNA双链断裂（DSB）及其修复过程，初步验证双链断裂及其修复与细胞放射敏感性的关系。

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Study on radiosensitivity of 6 pancreatic cancer cell lines in vitro

人胰腺癌细胞株放射敏感性的体外研究

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Conclusion The result was consist with the theory and the low radiosensitivity of the three kinds of cells.

这与理论相符合，同时也与这三种肿瘤细胞在临床上对放疗的高抗性表现一致。

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Tumor cell lines with different radiosensitivity to X ray showed close sensitivity to fast neutron.

光子线敏感性不同的细胞对快中子的敏感性较为接近。快中子对于高能X射线的RBE随不同的观察终值而明显不同。

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A study of radiosensitivity of human glioma cells and accuracy of the experimental methods

SHG-44胶质瘤细胞辐射敏感性的测定与实验方法的筛选研究

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Experimental research of radiosensitivity for brain tumor stem cell

脑肿瘤干细胞放射敏感性的实验研究

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Radiosensitivity changes of nasopharyngeal carcinoma cells with different levels of differentiation after treatment with chemotherapeutic agents

不同分化程度鼻咽癌细胞化疗药物作用后放射敏感性的变化

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HIV-1 Tat Protein Inhibits Repair of Ionizing Radiation-Induced DNA Double-Strand Breaks and Increases Cellular Radiosensitivity

HIV-1Tat蛋白抑制DNA修复和增强细胞辐射敏感性

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The genes which are associated with CQ increased radiosensitivity were studied by microarray analysis.

用人类基因芯片筛选与CQ增加辐射抗拒细胞辐射敏感性相关的基因.

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The comparative study of radiosensitivity of human T and B lymphocytes during transformation

人血T·B淋巴细胞转化过程的辐射敏感性比较研究

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The difference in their DNA synthesis inhibition rate and radiosensitivity were expressed by tritium incorporation method.

用3H掺入法说明DNA合成抑制率与放射敏感性的不同.

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A Study of Radiosensitivity of β-Elemene to Squamous Cell Carcinoma of Tongue Tca-8113 Cell Line in Vitro

β-榄香烯乳对舌鳞癌细胞株Tca-8113体外放射增敏观察

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Although the radiosensitivity of these two types of mammalian cells is different, the extent of single strand breakage is approximately the same within the range of 100-3000 rads.

在0～3000拉德范围内，两种细胞DNA单链断裂的程度基本一致，照射剂量与单链断裂的对数之间呈直线相关。

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PI3K/ AKT inhibitor influence on the radiosensitivity of breast cancer cells

阻断PI3K/AKT通路对乳腺癌细胞放射敏感性影响的研究

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Radiosensitivity of K_ ( 562) Thermotolerant Cells

K（562）耐热细胞的放射敏感性

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ObjectiveTo investigate the influence of STAT 3 antisense oligodeoxynucleotides ( ASO-STAT 3 ) on radiosensitivity of B 16 cells.

目的探讨反义 STAT3 转染鼠恶性黑色素瘤B16细胞后,肿瘤细胞辐射敏感性的变化.

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Cell cycle distribution and radiosensitivity of mouse mammary carcinoma derived cell line SX-9

鼠乳腺癌细胞SX-9放射敏感性与细胞周期研究

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The Experiment Study of Acetaminophen Reduces Human Glioma Cell Line SHG-44 Growth and Increases Radiosensitivity

对乙酰氨基酚抑制SHG-44细胞生长及其放射增敏作用的实验研究

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Because of the great change in its mitochondria and mitochondrial DNA, the respiratory deficiency yeast mutants show radiosensitivity at dose less than 1 Gy and radioresistance at doses higher than 1 Gy.

结果发现，呼吸缺陷型酵母菌株因其线粒体及线粒体DNA发生突变，在离子束辐照时，在低剂量区域表现出较高辐射敏感性，在高剂量区则表现出对于辐射的抗性。

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Objective To study the radiosensitivity of fibroblast cells ( AT cells) from the skin of the patients with ataxia telangiectasia ( AT).

目的研究源于毛细血管扩张性共济失调症（ataxia telangiectasia，AT）患者皮肤的成纤维细胞系AT5BIVA（AT细胞）的辐射敏感性。

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Because the adenocarcinoma is easy to occur lymphous nodes transfer early, the radiosensitivity of adenocarcinoma is low, and the chemotherapy is easy to be endured, it is difficult to treat cervical adenocarcinoma and the prog-nosis is not ideal.

因为腺癌易早期发生淋巴结转移，对放疗的敏感性较差，对化疗容易产生耐药，因此治疗难度加大，预后不理想。

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Study on High Radiosensitivity of AT Cells by Conventional Chromosome Aberration Analysis Method

常规染色体畸变分析法对AT细胞高辐射敏感性的研究

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DNA damage sensor can not be activated when dose or dose-rate decreases to certain threshold, cell death induced by radiation will increase, it will show hyper-radiosensitivity.

剂量或剂量率下降到一定域值则不能激活DNA损伤感受器，从而导致射线对细胞的杀伤作用增强，表现出超放射敏感性。

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Cell survival curves were determined by colony formation method to evaluate changes of radiosensitivity of the cells.

集落形成法检测细胞存活曲线，反映放射敏感性变化；

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Small interfering RNA specific to Bcl-2 enhances radiosensitivity of oesophageal cancer cells

Bcl-2基因特异性小干涉RNA增强食管癌细胞辐射敏感性的实验研究

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Determinants of tumor radiosensitivity are the intrinsic sensitivity of tumor cells, which affected by the cellular DNA double-strand break ( DSB) repair capacity.

肿瘤放射敏感性的决定因素是肿瘤细胞内在敏感性，而影响细胞内在敏感性的最重要因素是细胞DNA双链断裂（DSB）修复能力。

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