酶原活化作用 的英文怎麼說
中文拼音 [yuánhuóhuàzuòyòng]
酶原活化作用
英文
zymogenesis- 酶 : 名詞[生物化學] (生物體的細胞產生的有機膠狀物質) enzyme; ferment
- 原 : Ⅰ形容詞1 (最初的; 原來的) primary; original; former 2 (沒有加工的) unprocessed; raw Ⅱ動詞(原...
- 活 : Ⅰ動詞1 (生存; 有生命) live 2 [書面語](救活) save (the life of a person):活人無算 (of a goo...
- 用 : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
- 活化 : [化學] activation radioactivation; activate活化處理 activating treatment; 活化分析 [核物理] activ...
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Effect of active component of four types of chinese herbs on aldose reductase activity and non - enzymatic protein glycation in d - galactose induced rats
半乳糖誘導大鼠醛糖還原酶活性和蛋白非酶糖化的作用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。In the stomach, this acid functions to kill bacteria in foods, to soften foods and to convert the inactive enzyme pepsinate into its active from pepsin, to begin the digestion of protein
在胃裡,這種酸的作用是殺司食品的細菌,使食物軟化,把鈍化的胃蛋白酶原轉化為有活性的能消化蛋白質的胃蛋白酶。The 11 - hsd1 expression in the fetal brain also gradually increases with gestational age at late gestation and continues to increase in the hippocampus after birth until the 15th postnatal day, which shows a pattern very similar to th secretion. furthermore, previous data show injection of thyroxine ( t4 ) to normal newborn rats up - regulates gr expression in the hippocampus. these data suggest that the role of th in neural development may be partially ( if not all ) accomplished through regulating gc ' s activity
在海馬結構, 11 - hsd1與gr共存於同一海馬神經元內,主要呈現還原酶的特性,能使無活性的11 -脫氫皮質酮( a )可的松( e )轉化為有活性的皮質酮( b )皮質醇( f ) ,從而提高組織局部的糖皮質激素濃度,這樣, 11 - hsd1的存在就為親和力較低的gr發揮作用提供了前提條件。The recombinants were constructed by transforming ppic9 a - xynb into p. pastoris gs115. the assay results revealed that the xylanase gene xynb was overexpressed and secreted effectually in p. pastoris. in 3l fermentor the expression level of xylanase xynba exceeded 1200iu / ml and the expressed xylanase had normal bioactivity. the molecule weight of xynba was determined as about 31kd which is higher than 23kd of original enzyme xynb from streptomyces olivaceoviridis a1. xynbb was gotten by deglycasylation of xynba, whose molecule weight returned to 23kd. we comparised the enzymatic properties of xynba expressed in p. pastoris, xynbb deglycasylated from xynba and xynb produced from streptomyces olivaceoviridis al : there was little difference among the three enzymes on optimal ph, the optimal ph of xynb and xynba were both 5. 2, the optimal ph of xynbb was 5. 0 ; the optimal temperature of xynb and xynba were both 60 c, while the optimal temperature of xynbb was 50 ? ; because of glycosylation the thermal stability of xynba was better than xynb and xynbb ; the specific activity of xynba and xynbb were 883. 88iu / mg and 832. 5hu / mg respectively, which were both lower than 2814. 45iu / mg of xynb ; the km values of xynb and xynba were similar to each other which were 21. 56 ( g / kg ) and 20. 87 ( g / kg ), while the km value of xynbb was 27. 10 ( g / kg ) ; the fmax of xynba and xynbb were 4568umol / mg. min and 5329umol / mg. min respectively which were lower than 27623 umol / mg. min of xynb ; additionally all of the three enzymes did not display cellulase activity. they all had well resistance to pepsion and trypsin, and were not sensitive to metal iron, surface active agent and chelating agent. the analysis of different xylans enzymatic hydrolysate revealed : by xynba, that the main constitutions of enzymatic hydrolysate of birch wood xylans were xylotriose and xyloquaiose, which account for 68. 43 % and 16. 50 % respectively, additionally there was 11. 79 % of xylobiose ; the main constitutions of enzymatic hydrolysate of corncobs xylans were xylobiose and xylotriose, which account for 81. 78 % and 11. 55 %. the result indicated that this xylanase was a kind of 1, 4 - b - d - xylanohydrolase and was fit to used in industrial procession of xylooligosacc harides
進一步對xynba進行了脫糖基化處理得到xynbb ,其分子量恢復到23kd ,證明xynba是糖基化蛋白。通過對畢赤酵母重組表達的木聚糖酶xynba 、脫糖基化的木聚糖酶xynbb以及橄欖綠鏈黴菌a1所產原酶xynb之間酶學性質的比較發現:三種酶的最適ph差異不大, xynb和xynba均為5 . 2 , xynbb為5 . 0 ; xynb和xynba的最適溫度均為60 , xynbb降為50 :在耐熱性上, xynba由於糖基化作用熱穩定性明顯高於未糖基化的xynb和xynbb ; xynba和xynbb的比活性分別為883 . 88iu mg和832 . 51iu mg ,明顯低於原酶的比活2814 . 45iu mg ; xynb和xynba的km值相當,分別為21 . 56 ( g kg )和20 . 87 ( g kg ) ,而xynbb的km值較大為27 . 10 ( g kg ) ; xynba和xynbb的vmax相差不大,分別為4568 mol mg ? min和5329 mol mg ? min ,明顯低於xynb的27623 mol mg ? min此外三種酶均無纖維素酶活性,對胃蛋白酶和胰蛋白酶有很好的抗性,且對作用環境中的各種離子、表面活性劑、螯合劑不敏感。通過對不同木聚糖的酶解產物的糖份分析發現:以樺木木聚糖為底物時,酶解產物主要為木三糖和木四糖,含量分別為68 . 43和16 . 50 ,另外還含有11 . 79的木二糖;以玉米芯木聚糖為底物時,酶解產物主要為木二糖和木三糖,含量分別為81 . 78和11 . 55 。There was no difference in other biologic characteristic of mscs between the two separation method, such as cell anchorage ratio and clone formation ratio. ( 2 ) plga film presented uniformity frame with no protuberance and fissure under scanning electron microscopy ( sem ). big aperture with smooth wall and average 400 m i n size running - through each other was observed in porous plga substrate, around the big aperture there were many round micropores about 5 m size. all of the structure were equal and uniform, which satisfied the further research work. ( 3 ) mscs adhesion at earlier time was promoted by biotiegenrafter 3h, cell number was ( 1. 5 0. 18 ) 105 in the plga film coated with biotiegen group, which was significantly higher than that in plga film group ( p < 0. 01 ) and higher than that in coverslip group ( p < 0. 05 ), which cell number was ( 1. 04 0. 21 ) 105. after 6h and 12h biotiegen could not promote cell adhesion, and cell proliferation and alkaline phosphatase ( alp ) activity were not promoted dramatically during 9 days. ( 4 ) cell adhesion was promoted by fibronectin or collagen type i
G ) i型膠原、纖維粘連蛋白促進細胞增殖,細胞接種后3 、 6 、 gd三個檢測時間點,實驗組細胞均明顯高於對照組。與1型膠原相比,纖維粘連蛋白刺激作用更強。 ) i型膠原、纖維粘連蛋白尚能誘導mscs細胞向成骨細胞分化,不僅表達成骨細胞標志物ocn 、 alp 、 opnmrna ,而且堿性磷酸酶活性明顯增高,堿性磷酸酶及鈣結節7第四軍醫大學博士學位論文一染色均強陽性, i型膠原組mscs細胞堿性磷酸酶活性較fn組更高,有顯著性差異;同時,兔疫組化染色表明,經纖維粘連蛋白作用的mscs1型膠原表達陽性。Thioredoxins, an ubiquitous small proteins with a redox active disulfide bridge in its conserved motif - cp ( g ) pc -, are universally distributed in eucaryote and procaryote and have a molecular mass of approximately 12kda. by its disulfide / dithiol interchange reaction, this protein can transmit the regulatory signals to seleted targets ( enzymes, transcription factors etc ) and plays an important role in many plant physiological processes that includes photosynthesis, dna synthesis, transcription, protein disulfide reduction, protein repair, filamentous phage assembly, cell apoptosis and seeds germinating and so on
該蛋白質中含有保守的- cp ( g ) pc -氨基酸活性基序,該基序中的兩個半胱氨酸殘基可通過巰基二硫鍵的轉換實現其氧化還原狀態的變化和電子氫的傳遞,對細胞中與氧化還原相關的多種生理過程的調節起重要作用。通過同許多酶類、蛋白類、細胞內活性因子相藕連, trx能對光合作用、 dna復制、基因轉錄、細胞凋亡和生長、噬菌體組裝、蛋白質的還原和修復信號傳導等生理過程產生影響和調節。When sparsely - planted rice overgrew its earing period, light intensity in the mid - lower part increased, photosynthesis prolonged, activity of nitrate and peroxide decreased, protein content increased by more than 50 %, velocity of leaf ageing slowed, but accumulation of dry matter of grain accelerated and 1000 - grain weight increased too
摘要稀植栽培的水稻,抽穗后田間表現為中下部光強明顯增加,光合作用時間延長,硝酸還原酶和過氧化物酶活性降低,蛋白質含量增加50 %以上,葉片衰老延緩,籽粒干物質積累加速,千粒重提高。Increased skin surface activity, the metabolism of trace elements regulate cell growth. enhance the vitality of elastin and collagen protein, preventing cell aging and promote cell regeneration and increase blood circulation. improving metabolism, anti - bacterial, anti - itching … … the aging of the skin, relax, bark, diaopi, have had some effect
增加皮膚表面酶活性,調節細胞生長新陳代謝所需的多種微量元素,提高彈性蛋白與膠原蛋白的活力,具有防止細胞老化,促進細胞再生,增加血液循環,提高新陳代謝,抗菌,止癢… …對皮膚老化,鬆弛,死皮,掉皮,有一定作用。2. proceedings of the reseaches on the novel nitrogenase mnfe protein and crfe protein several new batches of mnfe protein and crfe protein were prepared. their substrate reduction activities have been determined by the complementation with uw45 fe protein
新型固氮酶mnfe蛋白和crfe蛋白的特性與結晶研究在已有的工作基礎上,分離純化了幾批mnfe蛋白和crfe蛋白,並用部分純的ugh fe蛋白進行活性互補,分別測定了mnfe蛋白和crfe蛋白的底物還原活性。In this study, a new gene c / wew, encoding cholesterol oxidase, was isolated from rhodococcus equi. 4 - 2g2 found in china, which may be useful in clinical diagnosis healthy food and pest management in agriculture. in addition, the gene has been expressed successfully, the expression product has cholesterol oxidase activity, thus this work provided theoretical basis to the development of genetic engineering of cholesterol oxidase
本研究從我國自行分離的馬紅球菌4 ? 2g2菌株中分離到一種編碼膽固醇氧化酶的新基因choew ,它將可應用於臨床檢測、保健食品和農業抗蟲等領域;同時利用原核表達載體成功的在大腸桿菌中表達了目的基因,表現出膽固醇氧化酶酶活,為膽固醇氧化酶的基因工程利用開發作了一定的理論實驗基礎研究。L l6 - hsd2 is localized to the sppytiotrophoblast of the placenty providing a fimctional barrier protecting the fetus from matemal glucocorticoids. a sequence resembling glucocorticoid response element ( gre ) has been identified in the promoter region of the human l l0 - hsdl gene. glucocorticoids have been shown to induce the expression of 11p - hsdl in the hippomus in vitro " whereas controversial results were obtained in the hepatocyte
體內至少存在兩型11 - hsd ,在細胞完整的狀態下, 11 - hsd1主要為還原酶,它活化gc的代謝產物17 -羥- 11 -脫氫皮質酮(嚙齒類為脫氫皮質酮)為有活性的皮質醇(嚙齒類為皮質酮) ,而11 - hsd2為氧化酶,它催化皮質醇為無活性的17 -羥- 11 -脫氫皮質酮,因此11 - hsd1加強gc的作用,而11 - hsd2減弱gc的作用。Protective effect of p38 mitogen activated protein kinase inhibitor on organs in sepsis in rats
38絲裂原活化蛋白激酶抑制劑對膿毒癥大鼠多器官損傷的保護作用研究Protective effect of pituitary adenylate cyclase - activating polypeptide on oxidative damage in the primary cultured hippocampal neurons
垂體腺苷環化酶激活肽對原代培養海馬神經元氧化損傷的保護作用H2o2 acts as signal molecular and intermediate in the downstream of aba or sa signal transduction pathway, which has recently emerged as a secondary messenger of stress signaling
另外,植物細胞內存在許多促分裂原活化蛋白激酶( mitogen - activatedproteinkinase , mapk ) ,這些激酶在植物各種脅迫反應的信號轉導過程中起著重要作用。Mapkks ( mitogen - activated protein kinase kinases ) are the key components in the signal transduction passways which regulate a variety of cellular processes in eukaryotes including in plants
促分裂原活化蛋白激酶激酶( mapkk )是生物體內信號轉導途徑的關鍵組分之一,已發現它組成的信號轉導級聯途徑在植物中起著多方面的作用。分享友人