Effect of Natural High Background Radiation on SOD and MDA in the Peripheral Blood of InhabitantsChinese Full Text
GENG Ji-wu,ZOU Jian-ming,SU Shi-biao,et al.Guangdong Prevention and Treatment Center for Occupational Disease,Guangzhou 510300 China
Abstract: Objective To study the change of antioxygen level of those who are continuously exposed to light and chronic radiation.Methods 53 male inhabitants aged from 50-59 years are selected as the object of study,who are born and bred in Yangjiang high natural background radiation area＜HBRA＞.Additional male inhabitants of similar ages in the town of Hengpi,Enping＜CA＞ are chosen as the contrast group.5ml of peripheral blood is separately drawn to determine the activity of superoxide dismutase＜SOD＞ and the content of malondialdehyde ＜MDA＞ in the serum.Results In the serum of HBRA and CA groups,the activity of SOD is ＜65.9±38.5＞ and（50.2±26.2）μ/ml respectively,and the content of MDA is（4.5±2.0）nmol/ml and（6.5±2.6）nmol/ml respectively.Compared with CA group,the activity of HBRA group is high.but its content of MDA is low.These differences are statistically significant（P＜0.05）.Conclusion Natural high background radiation could have an effect on the antioxidation indexes such as SOD and MDA.
- DOI：
10.13491/j.cnki.issn.1004-714x.2010.01.033
- Series：
- Subject：
- Classification Code：
R144;X591
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