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Strong correlation among three biodosimetry techniques following exposures to ionizing radiation

机译:暴露于电离辐射后,三种生物剂量测定技术之间的强相关性

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Three in vitro dose calibration curves for biodosimetry such as dicentric chromosome assay, fluorescence in situ hybridization (FISH) assay for translocation, and micronuclei (MNs) in binucleated cell assay were established after exposure to ionizing radiation. Peripheral blood lymphocyte samples obtained from healthy donors were irradiated with 60Co source at a dose rate of 0.5 Gy/min to doses of 0.1–6 Gy. The results from three in vitro dose calibration curves for biodosimetry were analyzed to understand the relationship among biodosimetry assay techniques. Our comparison demonstrates that there is a very strong positive correlation among the dicentric assay, FISH, and MNs analysis, and these three biodosimetry assays strongly support the in vitro dose reconstruction and the emergency preparedness of public or occupational radiation overexposure.
机译:暴露于电离辐射后,建立了三份用于生物剂量学的体外剂量校准曲线,例如双中心染色体测定,用于转位的荧光原位杂交(FISH)测定和双核细胞测定中的微核(MNs)。从健康供体获得的外周血淋巴细胞样品以0.5 Gy / min的剂量率用0.1s Gy / min的剂量的剂量的 60 Co辐照。分析了三种用于生物剂量测定的体外剂量校准曲线的结果,以了解生物剂量测定技术之间的关系。我们的比较表明,双着丝粒测定,FISH和MNs分析之间存在非常强的正相关性,这三种生物剂量测定法强烈支持体外剂量重建以及公共或职业性辐射过度暴露的应急准备。

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