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    • 24. 发明申请
    • METHOD OF MEASURING CANCER SUSCEPTIBILITY
    • 测量癌症可疑性的方法
    • WO2005115115A2
    • 2005-12-08
    • PCT/US2005018289
    • 2005-05-25
    • HITACHI CHEMICAL CO LTDHITACHI CHEMICAL RES CT INCMITSUHASHI MASATO
    • MITSUHASHI MASATO
    • C12Q1/68
    • C12Q1/6886C12Q2600/106C12Q2600/136C12Q2600/158G01N33/5017G01N2800/40G01N2800/50
    • An individual's susceptibility to cancer is assessed based on the individual's cellular response to mutagenic agents such as radiation. The level of a growth-suppressing marker is measured before and after the individual's cells are exposed to the mutagenic agent. The individual's susceptibility to cancer as a result of the mutagenic agent is correlated with the degree to which the growth-suppressing marker is induced by exposure to the agent. A method is also disclosed for assessing cancer prophylaxis effects of compounds, such as vitamins or food extracts, in individuals. Cells from an individual are incubated with at least one compound in vitro, or the compound is directly administered to the individual, after which some of the incubated cells, as well as non-incubated cells, are exposed to a mutagenic agent such as ionizing radiation. The level of the growth-suppressing marker in the cells incubated with the compound and exposed to the mutagenic agent is then compared with the level in the non-incubated cells exposed to the agent. The cancer prophylaxis effects of the compound are correlated with a higher level of the marker in the incubated cells.
    • 个体对癌症的敏感性是根据个体对诱变剂如辐射的细胞反应进行评估的。 在个体细胞暴露于诱变剂之前和之后测量生长抑制标记的水平。 致敏物质对个体的癌症易感性与通过暴露于药剂诱导生长抑制标记的程度相关。 还公开了一种用于评估化合物(例如维生素或食物提取物)在个体中的癌症预防效果的方法。 来自个体的细胞在体外与至少一种化合物一起温育,或者将化合物直接施用于个体,之后将一些培养的细胞以及未孵育的细胞暴露于诱变剂如电离辐射 。 然后将与化合物孵育并暴露于诱变剂的细胞中的生长抑制标记物的水平与暴露于该试剂的未孵育细胞中的水平进行比较。 该化合物的癌症预防作用与培养细胞中较高水平的标记物相关。