电离辐射在体外促进肿瘤转化的研究。

J B Little, H Vetrovs
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引用次数: 4

摘要

在标准促进方案中,在不同剂量的x射线或苯并(a)芘(BP)急性治疗后,BALB/3T3细胞在氚化水(3HOH)中连续孵育,以检测恶性转化的诱导。在任何情况下,没有任何证据表明,长期暴露于3HOH电离辐射中,会增加由主要致癌物引起的变形体的产量,如果这两种致癌物的影响是相加的,则会超过预测的产量。
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Studies of ionizing radiation as a promoter of neoplastic transformation in vitro.

The induction of malignant transformation was examined in a standard promotion protocol in which BALB/3T3 cells were incubated continuously with tritiated water (3HOH) following acute treatment with various doses of either X-rays or benzo(a)pyrene (BP). In no case was there any evidence that protracted exposure to ionizing radiation from 3HOH enhanced the yield of transformants induced by the primary carcinogen over that predicted if the effects of the two agents were additive.

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