an enzyme in the body that is a powerful scavenger of free radicals

conclusion: anti-oxidative activities of superoxide dismutase and glutathione peroxidase in rats with vascular dementia were decreased, and the oxidative reaction in vivo was enhanced.

结论：血管性癡呆大鼠超氧化物歧化酶及谷胱甘肽过氧化物酶抗过氧化活性降低，体内过氧化反应增强。

the activity of glutathione peroxidase of serum was measured.

同时测定血清谷光苷肽过氧化物酶活性。

microelement selenium (se), as a major component of glutathione peroxidase (gsh-px), can induce to excrete lead, and lessen the toxicity of lead by many ways of bioprocess.

微量元素-硒作为体内抗氧化物质能促进铅的排泄，并通过各种生物过程减轻铅的毒性。

selenium content in wool is closely related to erytlirocyte glutathione peroxidase activity in blood of sheep .

羊毛硒含量与羊血谷胱甘肽过氧化物酶活性显着相关。

now, a number of studies have shown that the total level of gsh and plasma glutathione peroxidase (gsh-px) activity were significantly decreased even in early uremia (1-4).

目前，（研究1~4）发现即使是早期的尿毒癥，总的谷胱甘肽水平和血浆谷胱甘肽过氧化酶活性都显着降低。

similar trend was found for the change of glutathione peroxidase activities in blood and liver tissues.

及肝组织中的谷胱甘肽过氧化物酶活力有相同趋势。

main outcome measures:① comparison of lung wet mass and activities of sod, glutathione peroxidase and catalase in pulmonary tissue in two groups.

主要观察指标：①两组大鼠肺湿重及肺组织超氧化物歧化酶、谷胱甘肽过氧化物酶和过氧化氢酶活性比较。

other foods with high levels of sulphur (to help with glutathione peroxidase production) are broccoli, onions, avocados, eggs, and asparagus.

其他含很高水平的硫磺食品（帮助还原型谷胱甘肽过氧化物酶的产生）有花椰菜，洋葱，油梨，鸡蛋和芦笋。

figure 2. rt-pcr analysis: effect of mcsf on phospholipid hydroperoxide glutathione peroxidase (phgpx)mrna expression in raw264.7 cells.

图2。 巨噬细胞集落刺激因子对raw264.7细胞磷酯氢过氧化物谷。

the indexes such as superoxide dismutase (sod), glutathione peroxidase (gsh-px) and anti-oxidation capacity (aoc) were measured by reagent kit method.

用试剂盒法对超氧化物歧化酶（sod）和谷胱甘肽过氧化物酶（gsh-px）以及抗氧化（aoc）等指标进行了测定。

the invention belongs to the technical field of biology, relating to a modified glutathione peroxidase and a preparation method thereof.

本发明属于生物技术领域，涉及一种修饰性谷胱甘肽过氧化物酶及其制备方法。

the amino-group modification rate of the modified glutathione peroxidase is controlled to be 40-45 percent, and the enzymatic activity retention rate exceeds 100 percent.

该修饰性谷胱甘肽过氧化物酶其氨基修饰率控制在40-45％，酶活力保持率超过100％。

as in other endemic areas, the seleniumcontent in erythrocyte and glutathione peroxidase activity in kbd patientsare lower than that in non-endemic areas.

和国内其他病区同样，大骨节病患儿及病区人群红细胞的硒含量及谷胱甘肽过氧化物酶活性，均在低水平。

the change in the pancreatic acini of the chicks might be result of selenium deficiertcy in the kdarea grains , which lead to decrease in glutathione peroxidase activity in the tissues of the chicks.

上述变化是由克山病病区粮低硒使机体组织谷胱苷肽过氧化物酶活力降低所致；

glutathione peroxidase ( gsh - px ) acts as a free radical scavenger .

谷胱甘肽过氧化物酶是生物机体内的自由基清除剂。

the malondialdehyde( mad) , sod and glutathione peroxidase ( gsh-px) in the rats blood and tissue were determined .

小鼠血和组织中丙二醛、sod和谷胱甘肽过氧化物酶测定。