| 脱氧核糖核酸对机体内超氧化物岐化酶和过氧化物酶活性影响初步研究 |
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| 引用本文： | 刘润芝. 脱氧核糖核酸对机体内超氧化物岐化酶和过氧化物酶活性影响初步研究[J]. 激光生物学报, 2002, 11(2): 119-121 |
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| 作者姓名： | 刘润芝 |
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| 作者单位： | 湖南师范大学,中国湖南,长沙,410081 |
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| 摘 要： | 超氧化物岐化酶（SOD）和过氧化物酶（POD）是机体内重要的抗氧化酶系之一,其作用在于消除体内的自由基,防止自由基对细胞结构的损伤。它们的活性随增龄而下降,因此自由基不断损伤细胞结构,累积最终导致细胞衰亡和动物机体衰老,老龄小鼠服用DNA一段时间后,其体内SOD和POD的活性均显著提高,因而其衰老速度可能得到一定程度的延缓。
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| 关 键 词： | 超氧化物岐化酶 过氧化物酶 自由基 活性 脱氧核糖核酸 |
| 文章编号： | 1007-7146(2002)02-0119-03 |
| 收稿时间： | 2001-02-28 |
| 修稿时间： | 2001-02-28 |
The Effect of Deoxyribonucleic Acid on the Activity of Superoxide Dismutase and Peroxidase |
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| LIU Run-zhi. The Effect of Deoxyribonucleic Acid on the Activity of Superoxide Dismutase and Peroxidase[J]. ACTA Laser Biology Sinica, 2002, 11(2): 119-121 |
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| Authors: | LIU Run-zhi |
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| Abstract: | Superoxide dismutase(SOD) and peroxidase(POD) are important anti-oxidase system in vivo. It aimed at eliminating free radicals in vivo and preventing free radicals from harming cell structures. The activity of SOD and POD is declining with the increase of the age. Therefore,the accumulation of damages of cell structures that made by free radicals resulted in withering of cells and decrepitude of animal organisms.After the old mouse took DNA for a period of time,the activity of SOD and POD in vivo developed remarkably,so that its decrepit speed slowed down at a certain extent. |
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| Keywords: | superoxide dismutase(SOD) peroxidase(POD) free radical activity deoxyribonucleic acid(DNA) |
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