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谷胱甘肽过氧化物酶活力     
相关语句
  activity of glutathione peroxidase
     Study on the Depending of Selenium on the Activity of Glutathione Peroxidase in Dairy Cattle Red Cell
     硒对奶牛红细胞谷胱甘肽过氧化物酶活力的浓度依赖性研究
短句来源
     Further investigation exhibited that glutathione peroxidase activity was markly elevated in PSK-treated macrophages, Meanwhile, higher activity of glutathione peroxidase was maintained in PSK-treated macrophages incubated with tert-butylhydroperoxide.
     云芝多糖处理的巨噬细胞谷胱甘肽过氧化物酶基础活力显著提高,在叔丁基氢过氧化物作用下,云芝多糖处理的巨噬细胞仍有较高的谷胱甘肽过氧化物酶活力
短句来源
  gsh-px livingness
     The relation of GSH - Px livingness with selenium content in the whole blood and tissue of the rat
     鼠全血组织中谷胱甘肽过氧化物酶活力与硒含量的关系
短句来源
  glutathione peroxidase activity
     Effects of selenium and iodine on glutathione peroxidase activity and thyroid hormone metabolism in rats──Ⅰ.Nutritional status of selenium and iodine on glutathione peroxidase activity in rats
     硒碘对大鼠谷胱甘肽过氧化物酶活力及甲状腺激素代谢的影响──Ⅰ.硒碘营养状态对大鼠组织谷胱甘肽过氧化物酶活力的影响
短句来源
     Effects of selenium and iodine on glutathione peroxidase activity and thyroid hormone metabolism in rats Ⅱ. Effect of selenium and iodine status on thyroid hormone metabolism in rats
     硒碘对大鼠谷胱甘肽过氧化物酶活力及甲状腺激素代谢的影响──Ⅱ.硒碘营养状态对大鼠甲状腺激素代谢的影响
短句来源
     Serum Glutathione Peroxidase Activity of College Students
     大学生血清谷胱甘肽过氧化物酶活力水平
短句来源
     Further investigation exhibited that glutathione peroxidase activity was markly elevated in PSK-treated macrophages, Meanwhile, higher activity of glutathione peroxidase was maintained in PSK-treated macrophages incubated with tert-butylhydroperoxide.
     云芝多糖处理的巨噬细胞谷胱甘肽过氧化物酶基础活力显著提高,在叔丁基氢过氧化物作用下,云芝多糖处理的巨噬细胞仍有较高的谷胱甘肽过氧化物酶活力
短句来源
     Supplementation of molybdenum had no effect on glutathione peroxidase activity.
     病区粮补钼(100mg/kg)对红细胞谷胱甘肽过氧化物酶活力无明显影响。
短句来源
  glutathione peroxidase activities
     INFLUENCE OF DIETARY PROTEIN LEVEL ON THE AVAILABILITY OF SELENIUM (Ⅰ) Influence of Dietary Protein Level on the Selenium Contents and Glutathione Peroxidase Activities of Blood and Tissues of Rats
     膳食蛋白质水平对硒利用的影响 Ⅰ、膳食蛋白质水平对大鼠血及组织中硒含量及谷胱甘肽过氧化物酶活力的影响
短句来源
     INFLUENCE OF DIETARY PROTEIN LEVEL ON THE AVAILABILITY OF SELENIUM (Ⅱ) An Investigation into the Influence of Dietary Protein Level on the Selenium Contents and Glutathione Peroxidase Activities in Blood and Tissues of Rats
     膳食蛋白质水平对硒利用的影响 Ⅱ、膳食蛋白质水平影响实验动物血和组织中硒含量和谷胱甘肽过氧化物酶活力原因的探讨
短句来源
     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。
短句来源

 

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      activity of glutathione peroxidase
    The group with the lowest ascorbic acid intake (1 mg) had the lowest activity of glutathione peroxidase and the highest level of lipid peroxides.
          
    At the levels used in the experiments, mercury and silver significantly depressed the activity of glutathione peroxidase (assayed with either H2O2 or cumene-OOH) in rat tissues, whereas cadmium or lead had no effect on this activity.
          
    The activity of glutathione peroxidase (GSH-Px) in erythrocytes and plasma and the level of lipid peroxides in plasma were also analyzed.
          
    The importance of factors other than Se to the activity of glutathione peroxidase, and of other antioxidants to pre-eclampsia, is stressed.
          
    The activity of glutathione peroxidase after development of tumors was significantly higher in the high Se group at 18 and 30 d.
          
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      glutathione peroxidase activity
    Several markers of oxidative stress, such as increases in lipid peroxidation products and reductions in glutathione peroxidase activity, have been shown to be related to the reductions in pulmonary functions.
          
    Erythrocyte glutathione peroxidase activity and serum lipid pattern: A comparison between Indian immigrants and Danes
          
    Differing antioxidant potentials created by graded ascorbic acid supplementation (1, 10, 100 mg per animal daily) evoked changes in the level of glutathione peroxidase activity and lipid peroxides in the liver of female guinea pigs.
          
    The two other groups (10 and 100 mg) showed enhancement of glutathione peroxidase activity and decline in lipid peroxides.
          
    Glutathione peroxidase activity in the JVS mice at 8 weeks of age was lower than that in the control mice.
          
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      glutathione peroxidase activities
    A decrease in the glutathione reductase and glutathione peroxidase activities towards normal levels was observed in animals with toxic hepatitis after administration of thioctic acid.
          
    Effect of supplementation with selenium on whole blood glutathione peroxidase activities and on plasma and tissue selenium conce
          
    Cytoprotection against lipid hydroperoxides correlates with increased glutathione peroxidase activities, but not selenium uptake
          
    The present study was aimed at investigating and comparing the effects of dietary antioxidants on glutathione reductase and glutathione peroxidase activities as well as free and protein-bound sulfhydryl contents of rat liver and brain tissues.
          
    It is observed that glutathione reductase and glutathione peroxidase activities of both tissues of the rats fed with a selenium-deficient or excess diet were significantly lower than the values of the control group.
          
    更多          


    Both high (0.3 ppm) and low (0.03 ppm) selenium concentration diets were fed to weanling rats for a period of three months. The range of dietary protein levels of each concentration was from 5.3% to 13.4% The basic dietary components were corn and soybean.Experimental results revealed that different dietary protein levels influence on the availability of selenium in different ways when the dietary selenium levels are different.At low level of dietary selenium (0.03 ppm), animals of the lowest protein level group...

    Both high (0.3 ppm) and low (0.03 ppm) selenium concentration diets were fed to weanling rats for a period of three months. The range of dietary protein levels of each concentration was from 5.3% to 13.4% The basic dietary components were corn and soybean.Experimental results revealed that different dietary protein levels influence on the availability of selenium in different ways when the dietary selenium levels are different.At low level of dietary selenium (0.03 ppm), animals of the lowest protein level group possessed the highest selenium concentration in their blood, liver, pancreas, kidney and heart tissues, but they got lower as the dietary protein level got higher. Similar trend was found for the change of glutathione peroxidase activities in blood and liver tissues. However, animals fed the high selenium (0.3 ppm) diet did not show such a trend. And in contrast, selenium seems better utilized and the Se concentration in the liver becomes higher as the level of dietary protein level gets higher. The findings are discussed in relation to the Se supplementation problem in Kcshan Disease areas.

    用低硒(0.03ppm)及高硒(0.30ppm)两类饲料喂养大鼠共三月,每类饲料蛋白质水平从5.3—13.4%,饲料基本成分为玉米和黄豆,实验结果发现,在不同硒水平下,饲料蛋白质水平对机体利用硒的影响大不相同。在低硒(0.03ppm)饲料下,低蛋白组动物血及血、心、肾及胰织组中的含硒量最高,饲养蛋白质水平愈高,各组织中硒含量则显著降低。及肝组织中的谷胱甘肽过氧化物酶活力有相同趋势。在高硒(0.30ppm)饲料组则无此种趋势,相反,蛋白质水平愈高,在肝脏中的贮存愈好。文中并讨论了在我国克山病区单纯补充硒的意义。

    Three experiments were performed to study the responses of chick to dietary selenium and the effects of methionine on the responses using a corn-soy basal diet low in selenium and methionine supplemented with or without selenium as sodium selenite and/or DL-methionine. Results showed that the relationships of selenium contents in chick tissues and GSH-Px activity in blood to dietary selenium content depended on selenium level variation in diets. Linear relations were found when dietary selenium was below the...

    Three experiments were performed to study the responses of chick to dietary selenium and the effects of methionine on the responses using a corn-soy basal diet low in selenium and methionine supplemented with or without selenium as sodium selenite and/or DL-methionine. Results showed that the relationships of selenium contents in chick tissues and GSH-Px activity in blood to dietary selenium content depended on selenium level variation in diets. Linear relations were found when dietary selenium was below the threshold of physiological store of chick, and nonlinear relations were found when dietary selenium extended beyond the threshold. The safety extent of selenium requirment of chick appeared to be between 0.133ppm and 0.338ppm. The minimum toxic level of selenium was 1.038ppm, lethal level was above 20ppm. In normal chick, kidney contained the highest amount of selenium among all tissues measured, followed by small intestine, testis, liver, spleen, proventriculus, brain, feather, lung, gizzard, pancreas, heart, crop , blood, skeletal muscle and fat. With selenium-deficient diet, selenium contents in all tissues measured significantly decreased. However almost no change occurred in testicular selenium content. Under this condition, methionine supplementaion significantly decreased mortality rate and nutritional muscular dystrophy severity, but significantly aggravated exudative diathesis severity. When dietary selenium content was below the toxic level of chick, methionine supplementation considerably increased feed intake, weight gain and feed efficiency, and somewhat increased GSH-Px activity in blood, selenium contents in liver and kidney. When dietary selenium level was up to toxic amount, methionine supplementation did not alleviate chick mortality rate, and did not affect feed intake, weight gain, feed efficiency and GSH-Px activity in blood, but significantly decreased selenium contents in tissues measured.

    采用缺硒低蛋氨酸的玉米——豆饼型基础饲粮添加或不添加硒和(或)DL-蛋氨酸三次重复试验研究了雏鸡对饲粮硒含量的反应和蛋氨酸对其反应的影响.试验阐述了组织硒含量、全血谷胱甘肽过氧化物酶活力与饲粮硒含量之间的关系.观察了雏鸡在不同水平硒和蛋氨酸饲粮下的生产表现,测定了蛋氨酸对雏鸡缺硒疾病、组织硒含量和全血谷胱甘肽过氧化物酶活力的影响.试验结果为使微量元素硒在动物营养中合理应用提供了依据.

    The effects of dietary selenium and vitamin E on the antioxidation ability were studied in experimental animals, 48 weanling male Wistar rats were divided into four groups with 12 and fed with a basal diet composed of crops grown in Keshan disease affected area and supplemented with different amounts of selenium and/or vitamin E for three months. Then, all animals were killed by decapitation, and samples of blood, liver and heart were taken immediately for determination of selenium and vitamin E contents, glutathione...

    The effects of dietary selenium and vitamin E on the antioxidation ability were studied in experimental animals, 48 weanling male Wistar rats were divided into four groups with 12 and fed with a basal diet composed of crops grown in Keshan disease affected area and supplemented with different amounts of selenium and/or vitamin E for three months. Then, all animals were killed by decapitation, and samples of blood, liver and heart were taken immediately for determination of selenium and vitamin E contents, glutathione peroxidase activities, TBA value, percentages of hemolysis and of hemoglobin oxidation. The results showed that suppl-mentation of selenium or vitamin E or both to the diet significantly increased glutathione peroxidase activities and decreased the TBA values in tissues. Supplement of vitamin E prevented erythrocyte from hemolysis, but showed no effect on hemoglobin oxidation by exposing to O2, while supplementation of selenium acted contrarily.

    用克山病病区粮配成基础低硒饲料,补充硒和/或维生素E组成四种不同水平的饲料,饲喂雄性断乳大鼠,观察其对机体抗氧化能力的影响。评价指标是用抗坏血酸诱发的红细胞溶血率、被O~-_2(超氧阴离子)氧化的血红蛋白量和组织中的TBA值。动物饲养13周后,自尾静脉取血,测定溶血率和血红蛋白被氧化的百分率,和全血SeGSHPx(含硒谷胱甘肽过氧化物酶)活力。15周后将动物断头杀死,立即取出心脏和肝脏测定SeGSHPx活力和TBA值。结果表明在克山病病区粮的饲料中补充硒或维生素E,或者二者同时补充均明显提高组织中的SeGSHPx活力和降低组织中的TBA值。不论在硒缺乏时或硒充足时,饲料中补充维生素E显著降低抗坏血酸诱发的红细胞溶血率,对O~-_2氧化血红蛋白无保护作用。在维生素E缺乏时,仅补充硒对溶血无作用。不论饲料中维生素E缺乏或者充足,补充硒对O~-_1氧化血红蛋白均有显著保护作用。

     
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