Oncogenic transformation with radiation and chemicals.

Oncogenic transformation with radiation and chemicals.
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辐射和化学物质的致癌转化。

DOI:
10.1080/09553008514551021
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发表时间:
1985
期刊:
International journal of radiation biology and related studies in physics, chemistry, and medicine
影响因子:
--
通讯作者:
Hei,TK
Hei,TK
中科院分区:
--
文献类型:
--
作者:
Hall,EJ;Hei,TK

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用于致癌转化的定量体外检测系统是一种强大的研究工具。它们可能基于仓鼠胚胎细胞的短期培养,或基于小鼠来源的已建立的细胞系。虽然x射线诱导的人类细胞转化已被证实,但事实证明,基于人类来源的细胞开发定量分析系统是困难的。目前可用的定量分析有两种截然不同的基本用途。首先,它们可能有助于积累本质上是实用的数据。例如,它们可用于比较和对比临床上使用或建议使用的化疗药物或缺氧细胞增敏剂的致癌潜力。它们可用于鉴定抑制或抑制由已知致癌剂引起的转化发生率的化合物,或者它们可用于证明两种不同剂(如辐射和石棉)之间的相互作用。其次,它们可能在研究癌变的基本机制方面被证明是无价的,因为它们代表了肿瘤发生的模型,在这些模型中,各种步骤可以更容易地以可控的方式被操纵和修改。
Quantitativein vitroassay systems for oncogenic transformation are a powerful research tool. They may be based on short-term cultures of hamster embryo cells, or established cell lines of mouse origin. While X-ray-induced transformation of human cells has been demonstrated, it has proved difficult to develop quantitative assay systems based on cells of human origin.The presently available quantitative assays have two quite distinct basic uses. First, they may be useful to accumulate data which is essentially pragmatic in nature. For example, they may be used to compare and contrast the oncogenic potential of chemotherapeutic agents or hypoxic cell sensitizers used or proposed in the clinic. They may be used to identify compounds that inhibit or suppress the transformation incidence resulting from known oncogenic agents, or they may be used to demonstrate the interaction between two different agents, such as radiation and asbestos.Second, they may prove to be invaluable in the study of the basic mechanisms of carcinogenesis, inasmuch as they represent models of tumourigenesis in which the various steps can be manipulated and modified more readily and in a controlled way.
维生素 A 类似物抑制辐射诱导的致癌转化
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