mda sod 中文意思是什麼
mda sod
解釋
水蛭提取物對大鼠腦血栓后腦組織-
According to the research of physiological and biochemical indicators or index, components of soluble proteins, substrate protein of phosphorylation and the activity of protein kinase in low - temperature stress in the leaves of brassica oleracea l., we tried to find the law of the physiological and biochemical response of brassica oleracea l. leaf to low temperature. at the same time, discussion on the signal transduction can also provide further evidences for revealing the mechanism of low - temperature stress. the results are showed as follows : malondialdehyde ( mda ), superoxide dismutase ( sod ), ascorbate peroxidase ( asp ) and peroxidase ( pod ) activities were changed greatly after 0 ~ 30min ' s treating with low temperature
本文以甘藍葉片為材料，通過對低溫5脅迫下甘藍生理生化指標、可溶性蛋白組分以及磷酸化底物蛋白、蛋白激酶活性的研究，以期找出甘藍葉片對低溫脅迫的生理生化響應規律，為甘藍露地越冬栽培防範寒害提供理論指導，同時對低溫脅迫下甘藍逆境信號傳導進行了探討，從而為徹底弄清低溫脅迫機理提供進一步的證據，研究的主要結果如下：丙二醛含量（ mda ） 、超氧化物歧化酶（ sod ） 、抗壞血酸過氧化物酶（ asp ）和過氧化物酶（ pod ）活性在低溫處理0 30min發生顯著變化，低溫處理3min后，甘藍葉片內mda含量基本沒有變化，處理5min時出現第一個峰值，達到對照的104 . 10 ， 10min出現低谷，僅為對照的86 . 27 ，隨后再次上升， 30min時超過第一峰值，為對照的113 . 93 。 -
The main study in this paper included as follows : the content and distribution of heavy metals in sediments and benthic organisms from the sewage stream in guangzhou city ; the acute toxicity and joint toxicity of mercury and selenium to swordtail fish ( xiphophorus helleri ) ; the damage of mercury to the indexes of antioxidant system in the gills and livers in swordtail ( including the measurement of the activities of total antioxidative capacity [ t ~ aoc ], superoxide dismutase [ sod ], glutathione peroxidase [ gsh - px ] and the concentration of malondiald - ehyde [ mda ] ) and the relief effects of selenium on it, as well as the physiological damage of mercury on the tissues, namely : the antagonistic effect of na + - k + ~ atpase activity on the tissues between selenite and mercury, and the ultrastructural damage under the exposure of mercury
研究內容主要有：廣州市河涌沉積物及底棲生物體內重金屬含量及評價；汞和硒對劍尾魚的急性毒性和聯合毒性及安全濃度的評價；汞對劍尾魚鰓和肝臟中抗氧化系統的毒性，包括對總抗氧化能力、超氧化物歧化酶、谷胱甘肽過氧化物酶活力及丙二醛含量的測定及硒對其保護作用；汞對劍尾魚組織生理毒性即：汞對na ~ + - k ~ + atpase活力的影響及硒的保護作用和汞和對劍尾魚組織超微結構的損傷等。以高氯酸?硝酸消化法和火焰原子吸收分光光度法測定了廣州市河涌沉積物和底棲生物中重金屬含量。 -
Methods acute peritonitis model was produced by intraperitoneal injection of zmosan a in sd rats, 2 days later, the levels of endotoxin and leukocyte in peripheral blood were measured, the levels of lipoperoxides ( mda and sod ) and glutathione ( gsh ) in lung homogenate were also measured
方法用酵母多糖a腹腔注射制備大鼠急性實驗性腹膜炎模型，隨機分為模型組和對照組；觀察實驗性腹膜炎時，肺損傷變化。 -
Potassium humate application obviously increased the activities of superoxide dismutase ( sod ), peroxidase ( pod ) and catalase ( cat ), decreased the content of mda, and delayed the senescence of ginger root
施用腐植酸鉀明顯地提高了生育後期根系的超氧化物歧化酶、過氧化物酶和過氧化氫酶活性，降低了膜脂過氧化產物丙二醛含量，延緩了根系衰老。 -
With the increase of concentration of aqueous extract from peganum multisectum increased, root vigor, the contents of chlorophyll, soluble protein and nucleic acid in roots and shoots of alfalfa seedlings decreased, while the activities of protease and nuclease, the contents of o2 ( superscript - ), h2o2 and malondiadehyde ( mda ) increased, the activities of superoxide dismutase ( sod ), catalase ( cat ) and peroxidase ( pod ) first increased and then decreased
幼苗根系活力和葉綠素、可溶性蛋白質、核酸含量隨水浸液濃度的提高而降低，蛋白酶和核糖核酸酶活性及超氧陰離子（ o2 （上標- ） ） 、 h2o2和丙二醛（ mda ）含量則增加，超氧化物歧化酶（ sod ） 、過氧化氫酶（ cat ）和過氧化物酶（ pod ）活性呈先升后降變化。 -
5. when vetiver was flooded, cat activities increased greatly and mda content rose slightly while sod activities and the electrolyte leakage have no obvious differences between flooding group and control group
對香根草抗澇性指標的測定表明，淹水使香根草cat活性升高， sod活性基本不變， mda含量稍有積累，但質膜透性沒有明顯變化。 -
With the increace of zn stress, the content of chlorophyll, superoxide dismutase ( sod ) activity and soluble protein content dropped significantly, peroxidase ( pod ) and catalase ( cat ) activities rised at first and lowered later, and malonyl dialdehyde ( mda ) content increased drastically
隨鋅脅迫程度的增大，葉綠素含量、 sod （超氧化物歧化酶）活性和可溶性蛋白含量呈下降趨勢；而pod （過氧化物酶）和cat （過氧化氫酶）活性則先升后降； mda （丙二醛）含量上升。 -
With the increase of exposure time, the antioxidative ability of spirodela polyhiza dereased, sod and ap activities were induced, and asa content of treated plants were always lower than those of control plants, but the proline ( pro ) contents in treated plants increased. these factors would break the balance of the metabolism of ros and the active oxygen accumulation in leafy thallus of spirodela polyhiza could be the result, the membrane lipid peroxidation was accelerated ( mda content increased ), ultra - microstructure of chloroplast was damaged, photosynthetic capacity dereased, biomass ( dry weight ) reduced
實驗研究結果如下： （ 1 ） uv - b輻射處理后前2天，紫萍超氧化物歧化酶（ sod ）和抗壞血酸過氧化物酶（ ap ）等抗氧化酶系統有不同程度的升高，隨著uv - b處理時間的延長，紫萍體內抗氧化保護系統能力下降， sod和ap的活性下降，並且非酶類抗氧化物質抗壞血酸（ asa ）含量一直低於對照組，而脯氨酸（ pro ）的含量則一直在升高。 -
Methods : 1 ) 12h after irradiation, the cell cycle of nih3t3 cells was determined by flow of cytometry and the ratio of alternations in p16 gene exon - 2 was evaluated through pcr - sscp. 2 ) the content of mda, the activities of the sod and gsh - px in the supernatant of nih3t3 cells and the cells were measured by detecting kits immediately after irradiation. 3 ) the level of matrix metalloproteinase - 2 ( mmp - 2 ) in hela cells was detected by western - blotting and dot - blotting 2h after irradiation
具體方法為： （ 1 ）照射后12h ，收集nih3t3細胞，用流式細胞儀檢測各組細胞的細胞周期， pcr - sscp檢測抑癌基因p16的變化； （ 2 ） nih3t3細胞照射后立即收集細胞和細胞上清，用試劑盒測量mda含量和sod 、 gsh - px的活性並觀察其變化； （ 3 ） western免疫印跡和點雜交法檢測照射2h后的各組hela細胞中基質金屬蛋白酶- 2 （ mmp - 2 ）的表達變化。 -
Compared to the single hg2 + treated, se4 + + hg2 + the mixed exposure could restrain the fall of the activity of t ? aoc, sod and gsh ? px, reducing the level of lipid peroxidation, and alleviating membrane damage, represented with the heighten na + - k + - atpase activity and reduced mda concentration, resulting in the increased resistance to hg2 + damage. however, se4 + were incapable of preventing from the damage of hg2 + ultimately, along with the exposure period, regardless of the fact that the obvious enhancement of t - aoc and atpase activity
混合處理后，與單一汞處理相比， se ~ （ 4 + ）在一定程度上能有效抑制汞脅迫引起的t ? aoc ， sod ， gsh ? px的降低，降低膜脂質過氧化水平，減輕了對膜的硒對汞致劍尾魚抗氧化系統的毒害和生理損傷的拮抗作用損傷，表現為隨一k + / atpase活力升高，而mda含量降低，提高了機體對hg葉毒害的抗性;但隨著染毒時間延長，硒不能最終阻止毒害的加深。 -
Mechanism of glutamate - induced inhibition of pulmonary surfactant lipid synthesis ? mda receptor ( nmdar ) antagonist mk - 801 could reverse glutamate - induced inhibition of [ 3h ] - choline incorporation in lung explants ; ? he expression of nmdar1 subtype existed in alveolar type ii epithelial cells ; ? he effect of glu on pc synthesis required l - arginine in cultured lung explants, nos activity and no production were increased significantly in lung explants with glu treatment ; and mk - 801 and nos inhibitor l - nna could block the increase of nos activity and no production induced by glu ; l - nna also could reverse the inhibition of [ 3h ] - choline incorporation induced by glu ; ( 4 ) mda content increased and sod level decreased in cultured lung explants of glu treament groups, mk - 801 and l - nna could reverse these effects ; ( 3 ) mk - 801, l - nna could block the release of ldh induced by glu
谷氨酸對肺表面活性物質脂質合成抑制的機制研究nmda受體拮抗劑mk - 801能逆轉glu所致肺組織[ ~ 3h ] -膽堿摻入減少的效應；肺泡上皮細胞有nmda受體nmdar1亞單位的表達； glu對ps脂質合成的影響依賴l -精氨酸的存在， glu可使肺組織勻漿中nos活性、 no合成量升高； mk - 801 、 nos的抑制劑l - nna均可阻斷glu所致的這些效應； l - nna可逆轉glu所致肺組織[ ~ 3h ] -膽堿摻入減少的效應； glu可使肺組織勻漿中mda碩士學位論文中文摘要含量增高、 sod水平下降。 mk七0 、 l nna能阻斷q所致的這些效應； mk80 、 l nna還能阻斷gill誘導的ldh釋放增多的效應。 -
3. calcitonin gene - related peptide attenuates glutamate - induced inhibition of pulmonary surfactant lipid synthesis ( d cgrp could reverse the decrease of [ 3h ] - choline incorporation induced by glu with dose - dependence ; ( 2 ) cgrp could block the decrease of the content of cct a mrna induced by glu in lung tissue ; ( 3 } cgrp could reduce the impairment of the ultrastructure of at ii cells induced by glu ; ( 4 ) cgrp could reverse the increase of mda content and decrease of sod level induced by glu in cultured lung explants, respectively ; ? grp had no significant effect on nos activity and increase of no production induced by glu
降鈣素基因相關肽減輕谷氨酸所致肺表面活性物質脂質合成抑制的保護作用降鈣素基因相關肽grp ）可顯著減輕0所致肺組織h一膽堿摻入pc量的降低，並且呈劑量依賴保護效應； cgrp可逆轉gill所致cctqinrna含量的降低； cgrp可減輕o所致肺11上皮細胞超微結構的損傷； cgrp可逆轉o所致肺組織勻漿中mda含量增多、 sod水平降低的效應，並可逆轉q所致肺組織ldh釋放增多的效應； cg販對gill引起的nos活性和no含量的升高均沒有顯著性影響。 -
Results the levels of endotoxin, leukocyte, mda and sod were all signifificantly higher than control group, while, the level of glutathione ( gsh ) was much lower in experimental group ( p < 0. 01 )
結果模型組內毒素、肺勻漿脂質過氧化物，以及白細胞計數均明顯增高；而還原谷胱甘肽（ gsh ）明顯降低，與對照組比差異有顯著性（ p < 0 . 05 ） 。 -
Detection and analysis on no, mda and sod in coal workers with pneumoconiosis
超氧化物歧化酶的測定分析 -
Methods five tests, including hypoxia tolerance test, serum content determination of sod and mda in mice, carbon clearance and weight determination of immune organ, content determination of serum hemolysin, and delayed - type hypersensitivity test were carried out to evaluate the main pharmacological indexes of lilium brownii polysaccharide
方法通過耐缺氧實驗及小鼠血清中sod 、 mda含量測定，網狀內皮系統的碳粒廓清速度及免疫器官重量測定，血清溶血素含量測定，遲發型超敏反應等實驗對百合多糖的主要藥理指標進行考察。 -
The results show that c. chinensis extract can prevent pc 12 cells apoptosis induced by reactive oxygen species ( ros ), intensify cells viability, inhibit proteins expression related to apoptosis, regulate cell cycle, increase the level of sod and gsh, and decrease the product of mda
它不僅能提高細胞活力，調節細胞中凋亡相關基因的表達，而且還能調控細胞分裂周期，提高神經分化的pc12細胞中sod和gsh的含量，降低mda水平。 -
Methods : in cultured lung explants without serum, the lipid component synthesis of pulmonary surfactant was evaluated in [ 3h ] - choline incorporation ; mrna content of phosphocholine cytidylyltransferase ( cct ) in lung explants was investigated in rt - pcr ; the changes of the ultrastructure of the at ii cells were observed with electron microscope ; the expression of nmdar1 subtype was observed in immunohistochemistry staining ; nitric oxide synthase ( nos ) activity, nitric oxide ( no ) content, superoxide dismutase ( sod ) level, malondialdehyde ( mda ) content and lactae dehydroase ( ldh ) level were determined by biochemistry methods. results : 1. influence of glutamate on synthesis of the lipid component of pulmonary surfactant ? with l - arginine, glu inhibited [ 3h ] - choline incorporation with good dose - dependence and time - dependence ; ( 2 ) mrna content of cct of the glu treatment groups was decreased ; ( 3 ) glu increases the release of ldh in cultured lung explants ; ( dwith electron microscope histochemistry, glu induced the changes of the ultrastruture of at ii iv cells
方法：採用成年大鼠肺組織無血清培養，運用[ ~ 3h ] -膽堿摻入法測定ps主要脂質磷脂酰膽堿（ pc ）合成量； rt - pcr擴增檢測肺組織中pc合成限速酶磷酸膽堿二胞苷酰基轉移酶（ cct ） mrna含量；透射電子顯微鏡法觀察肺泡型上皮細胞和ps系統超微結構的變化；免疫組織化學染色檢測glu的受體nmdar1亞單位的表達；生化測定肺組織乳酸脫氫酶（ ldh ）釋放量和肺組織勻漿中一氧化氮合酶（ nos ）活性、一氧化氮（ no ）生成量、超氧化物歧化酶（ sod ）水平以及丙二醛（ mda ）含量。 -
One internal exercise : the activity of sod and gsh - px in myocardium and muscle is found lowest and the mda content of myocardium is highest, but the mda content of muscle is similar to that of the endurance training and internal training style
運動后48h ，三種運動模式中，一次性間歇運動大鼠心肌和骨骼肌的孤d和付職兩種酶的活性最低（ p o刀5人心肌oa水平在三運動模式中最高d -
Under middle level drought condition mosuchun can increase content of soluble organic osmoticum ( pro, amino add and sugars ) maintain or raise the activity of sod and cat, and decrease permeability of plasma and content of mda
在乾旱條件下摩素淳能增加游離氨基酸、可溶性糖和脯氨酸3種有機滲透調節物質的含量，維持或提高sod和cat活性，降低膜相對透性和mda含量，防止或降低了膜脂過氧化作用對膜的傷害。 -
The damage of wheat seedlings induced by enhanced uv - b radiation in physiology can be repaired partly by he - ne laser irradiation with enzymatic and non - enzymatic system including of decreasing the mda concentration, increasing the contents of asa, gsh, uv - b absorbing compound, and the activities of sod, cat, pod
He - ne激光輻照可使uv - b輻射后小麥幼苗mda的含量明顯減少； asa 、 gsh含量明顯增加； sod 、 cat 、 pod等酶活性增加。說明he - ne激光可通過酶促與非酶促抗氧化系統，增加小麥幼苗在生理水平對輻射損傷的修復能力。
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